401k Plan data: SIX FLAGS 401(K) PLAN plan

SIX FLAGS 401(K) PLAN 401k Plan overview

Plan Name	SIX FLAGS 401(K) PLAN
Plan identification number	002

SIX FLAGS 401(K) PLAN Benefits

401k Plan Type

Defined Contribution Pension

Plan Features/Benefits

Profit-sharing
ERISA section 404(c) Plan - This plan, or any part of it is intended to meet the conditions of 29 CFR 2550.404c-1.
Total participant-directed account plan - Participants have the opportunity to direct the investment of all the assets allocated to their individual accounts, regardless of whether 29 CFR 2550.404c-1 is intended to be met.
Code section 401(k) feature - A cash or deferred arrangement described in Code section 401(k) that is part of a qualified defined contribution plan that provides for an election by employees to defer part of their compensation or receive these amounts in cash.
Code section 401(m) arrangement - Employee contributions are allocated to separate accounts under the plan or employer contributions are based, in whole or in part, on employee deferrals or contribtions to the plan. Not applicable if plan is 401(k) plan with only QNECs and/or QMACs. Also not applicable if Code section 403(b)(1), 403(b)(7) or 408 arrangements/accounts/annuities.
Total or partial participant-directed account plan - plan uses default investment account for participants who fail to direct assets in their account.
Master plan - A pension plan that is made available by a sponsor for adoption by employers; that is the subject of a favorable opinion letter; and for which a single funding medium (for example, a trust or custodial account) is established for the joint use of all adopting employers.
Plan sponsor(s) is (are) a member(s) of a controlled group (Code sections 414(b), (c), or (m)).

401k Sponsoring company profile

SIX FLAGS ENTERTAINMENT CORPORATION has sponsored the creation of one or more 401k plans.

Company Name: SIX FLAGS ENTERTAINMENT CORPORATION

Employer identification number (EIN): 133995059

NAIC Classification: 713100
NAIC Description: Amusement Parks and Arcades

Additional information about SIX FLAGS ENTERTAINMENT CORPORATION

Jurisdiction of Incorporation: Texas Secretary of State

Incorporation Date: 2010-03-04

Company Identification Number: 0801239080

Legal Registered Office Address: 1000 BALLPARK WAY STE 400

ARLINGTON
United States of America (USA)
76011

More information about SIX FLAGS ENTERTAINMENT CORPORATION

Form 5500 Filing Information

Submission information for form 5500 for 401k plan SIX FLAGS 401(K) PLAN

Plan id# Filing Submission Date Name of Administrator Date Administrator Signed Name of Company Sponsor Date Sponsor Signed
002 2022-01-01
002 2021-01-01
002 2020-01-01
002 2020-01-01
002 2019-01-01
002 2018-01-01
002 2017-01-01 KATHY ASLIN
002 2016-01-01 KATHY ASLIN
002 2015-01-01 WALTER S HAWRYLAK
002 2014-01-01 WALTER S HAWRYLAK
002 2013-01-01 WALTER S HAWRYLAK
002 2012-01-01 WALTER HAWRYLAK
002 2011-01-01 WALTER HAWRYLAK
002 2010-01-01 WALTER HAWRYLAK WALTER HAWRYLAK 2011-10-14
002 2009-01-01 WALTER HAWRYLAK WALTER HAWRYLAK 2010-07-27

Plan Statistics for SIX FLAGS 401(K) PLAN

401k plan membership statisitcs for SIX FLAGS 401(K) PLAN

Measure Date Value
2022: SIX FLAGS 401(K) PLAN 2022 401k membership
Total participants, beginning-of-year 2022-01-01 9,202
Total number of active participants reported on line 7a of the Form 5500 2022-01-01 5,542
Number of retired or separated participants receiving benefits 2022-01-01 34
Number of other retired or separated participants entitled to future benefits 2022-01-01 1,541
Total of all active and inactive participants 2022-01-01 7,117
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2022-01-01 17
Total participants 2022-01-01 7,134
Number of participants with account balances 2022-01-01 3,017
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2022-01-01 0
2021: SIX FLAGS 401(K) PLAN 2021 401k membership
Total participants, beginning-of-year 2021-01-01 7,307
Total number of active participants reported on line 7a of the Form 5500 2021-01-01 7,812
Number of retired or separated participants receiving benefits 2021-01-01 34
Number of other retired or separated participants entitled to future benefits 2021-01-01 1,343
Total of all active and inactive participants 2021-01-01 9,189
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2021-01-01 13
Total participants 2021-01-01 9,202
Number of participants with account balances 2021-01-01 3,133
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2021-01-01 0
2020: SIX FLAGS 401(K) PLAN 2020 401k membership
Total participants, beginning-of-year 2020-01-01 6,729
Total number of active participants reported on line 7a of the Form 5500 2020-01-01 6,132
Number of retired or separated participants receiving benefits 2020-01-01 11
Number of other retired or separated participants entitled to future benefits 2020-01-01 1,152
Total of all active and inactive participants 2020-01-01 7,295
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2020-01-01 12
Total participants 2020-01-01 7,307
Number of participants with account balances 2020-01-01 2,848
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2020-01-01 0
2019: SIX FLAGS 401(K) PLAN 2019 401k membership
Total participants, beginning-of-year 2019-01-01 6,324
Total number of active participants reported on line 7a of the Form 5500 2019-01-01 5,690
Number of retired or separated participants receiving benefits 2019-01-01 32
Number of other retired or separated participants entitled to future benefits 2019-01-01 999
Total of all active and inactive participants 2019-01-01 6,721
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2019-01-01 8
Total participants 2019-01-01 6,729
Number of participants with account balances 2019-01-01 2,971
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2019-01-01 0
2018: SIX FLAGS 401(K) PLAN 2018 401k membership
Total participants, beginning-of-year 2018-01-01 6,407
Total number of active participants reported on line 7a of the Form 5500 2018-01-01 5,374
Number of retired or separated participants receiving benefits 2018-01-01 32
Number of other retired or separated participants entitled to future benefits 2018-01-01 910
Total of all active and inactive participants 2018-01-01 6,316
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2018-01-01 8
Total participants 2018-01-01 6,324
Number of participants with account balances 2018-01-01 2,892
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2018-01-01 1
2017: SIX FLAGS 401(K) PLAN 2017 401k membership
Total participants, beginning-of-year 2017-01-01 6,819
Total number of active participants reported on line 7a of the Form 5500 2017-01-01 5,547
Number of retired or separated participants receiving benefits 2017-01-01 23
Number of other retired or separated participants entitled to future benefits 2017-01-01 828
Total of all active and inactive participants 2017-01-01 6,398
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2017-01-01 9
Total participants 2017-01-01 6,407
Number of participants with account balances 2017-01-01 2,592
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2017-01-01 0
2016: SIX FLAGS 401(K) PLAN 2016 401k membership
Total participants, beginning-of-year 2016-01-01 5,964
Total number of active participants reported on line 7a of the Form 5500 2016-01-01 5,968
Number of retired or separated participants receiving benefits 2016-01-01 24
Number of other retired or separated participants entitled to future benefits 2016-01-01 819
Total of all active and inactive participants 2016-01-01 6,811
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2016-01-01 8
Total participants 2016-01-01 6,819
Number of participants with account balances 2016-01-01 2,536
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2016-01-01 0
2015: SIX FLAGS 401(K) PLAN 2015 401k membership
Total participants, beginning-of-year 2015-01-01 5,602
Total number of active participants reported on line 7a of the Form 5500 2015-01-01 5,093
Number of retired or separated participants receiving benefits 2015-01-01 23
Number of other retired or separated participants entitled to future benefits 2015-01-01 845
Total of all active and inactive participants 2015-01-01 5,961
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2015-01-01 3
Total participants 2015-01-01 5,964
Number of participants with account balances 2015-01-01 2,542
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2015-01-01 0
2014: SIX FLAGS 401(K) PLAN 2014 401k membership
Total participants, beginning-of-year 2014-01-01 4,894
Total number of active participants reported on line 7a of the Form 5500 2014-01-01 4,801
Number of retired or separated participants receiving benefits 2014-01-01 17
Number of other retired or separated participants entitled to future benefits 2014-01-01 781
Total of all active and inactive participants 2014-01-01 5,599
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2014-01-01 3
Total participants 2014-01-01 5,602
Number of participants with account balances 2014-01-01 2,227
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2014-01-01 3
2013: SIX FLAGS 401(K) PLAN 2013 401k membership
Total participants, beginning-of-year 2013-01-01 12,151
Total number of active participants reported on line 7a of the Form 5500 2013-01-01 4,296
Number of retired or separated participants receiving benefits 2013-01-01 0
Number of other retired or separated participants entitled to future benefits 2013-01-01 597
Total of all active and inactive participants 2013-01-01 4,893
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2013-01-01 1
Total participants 2013-01-01 4,894
Number of participants with account balances 2013-01-01 1,878
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2013-01-01 0
2012: SIX FLAGS 401(K) PLAN 2012 401k membership
Total participants, beginning-of-year 2012-01-01 5,890
Total number of active participants reported on line 7a of the Form 5500 2012-01-01 11,516
Number of retired or separated participants receiving benefits 2012-01-01 0
Number of other retired or separated participants entitled to future benefits 2012-01-01 625
Total of all active and inactive participants 2012-01-01 12,141
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2012-01-01 10
Total participants 2012-01-01 12,151
Number of participants with account balances 2012-01-01 2,038
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2012-01-01 13
2011: SIX FLAGS 401(K) PLAN 2011 401k membership
Total participants, beginning-of-year 2011-01-01 4,255
Total number of active participants reported on line 7a of the Form 5500 2011-01-01 5,091
Number of retired or separated participants receiving benefits 2011-01-01 0
Number of other retired or separated participants entitled to future benefits 2011-01-01 789
Total of all active and inactive participants 2011-01-01 5,880
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2011-01-01 10
Total participants 2011-01-01 5,890
Number of participants with account balances 2011-01-01 1,871
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2011-01-01 2
2010: SIX FLAGS 401(K) PLAN 2010 401k membership
Total participants, beginning-of-year 2010-01-01 2,553
Total number of active participants reported on line 7a of the Form 5500 2010-01-01 3,611
Number of retired or separated participants receiving benefits 2010-01-01 0
Number of other retired or separated participants entitled to future benefits 2010-01-01 644
Total of all active and inactive participants 2010-01-01 4,255
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2010-01-01 0
Total participants 2010-01-01 4,255
Number of participants with account balances 2010-01-01 1,798
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2010-01-01 3
2009: SIX FLAGS 401(K) PLAN 2009 401k membership
Total participants, beginning-of-year 2009-01-01 2,990
Total number of active participants reported on line 7a of the Form 5500 2009-01-01 1,857
Number of retired or separated participants receiving benefits 2009-01-01 0
Number of other retired or separated participants entitled to future benefits 2009-01-01 696
Total of all active and inactive participants 2009-01-01 2,553
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2009-01-01 0
Total participants 2009-01-01 2,553
Number of participants with account balances 2009-01-01 1,874
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2009-01-01 5

Measure	Date	Value
2022: SIX FLAGS 401(K) PLAN 2022 401k membership
Total participants, beginning-of-year	2022-01-01	9,202
Total number of active participants reported on line 7a of the Form 5500	2022-01-01	5,542
Number of retired or separated participants receiving benefits	2022-01-01	34
Number of other retired or separated participants entitled to future benefits	2022-01-01	1,541
Total of all active and inactive participants	2022-01-01	7,117
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2022-01-01	17
Total participants	2022-01-01	7,134
Number of participants with account balances	2022-01-01	3,017
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2022-01-01	0
2021: SIX FLAGS 401(K) PLAN 2021 401k membership
Total participants, beginning-of-year	2021-01-01	7,307
Total number of active participants reported on line 7a of the Form 5500	2021-01-01	7,812
Number of retired or separated participants receiving benefits	2021-01-01	34
Number of other retired or separated participants entitled to future benefits	2021-01-01	1,343
Total of all active and inactive participants	2021-01-01	9,189
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2021-01-01	13
Total participants	2021-01-01	9,202
Number of participants with account balances	2021-01-01	3,133
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2021-01-01	0
2020: SIX FLAGS 401(K) PLAN 2020 401k membership
Total participants, beginning-of-year	2020-01-01	6,729
Total number of active participants reported on line 7a of the Form 5500	2020-01-01	6,132
Number of retired or separated participants receiving benefits	2020-01-01	11
Number of other retired or separated participants entitled to future benefits	2020-01-01	1,152
Total of all active and inactive participants	2020-01-01	7,295
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2020-01-01	12
Total participants	2020-01-01	7,307
Number of participants with account balances	2020-01-01	2,848
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2020-01-01	0
2019: SIX FLAGS 401(K) PLAN 2019 401k membership
Total participants, beginning-of-year	2019-01-01	6,324
Total number of active participants reported on line 7a of the Form 5500	2019-01-01	5,690
Number of retired or separated participants receiving benefits	2019-01-01	32
Number of other retired or separated participants entitled to future benefits	2019-01-01	999
Total of all active and inactive participants	2019-01-01	6,721
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2019-01-01	8
Total participants	2019-01-01	6,729
Number of participants with account balances	2019-01-01	2,971
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2019-01-01	0
2018: SIX FLAGS 401(K) PLAN 2018 401k membership
Total participants, beginning-of-year	2018-01-01	6,407
Total number of active participants reported on line 7a of the Form 5500	2018-01-01	5,374
Number of retired or separated participants receiving benefits	2018-01-01	32
Number of other retired or separated participants entitled to future benefits	2018-01-01	910
Total of all active and inactive participants	2018-01-01	6,316
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2018-01-01	8
Total participants	2018-01-01	6,324
Number of participants with account balances	2018-01-01	2,892
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2018-01-01	1
2017: SIX FLAGS 401(K) PLAN 2017 401k membership
Total participants, beginning-of-year	2017-01-01	6,819
Total number of active participants reported on line 7a of the Form 5500	2017-01-01	5,547
Number of retired or separated participants receiving benefits	2017-01-01	23
Number of other retired or separated participants entitled to future benefits	2017-01-01	828
Total of all active and inactive participants	2017-01-01	6,398
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2017-01-01	9
Total participants	2017-01-01	6,407
Number of participants with account balances	2017-01-01	2,592
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2017-01-01	0
2016: SIX FLAGS 401(K) PLAN 2016 401k membership
Total participants, beginning-of-year	2016-01-01	5,964
Total number of active participants reported on line 7a of the Form 5500	2016-01-01	5,968
Number of retired or separated participants receiving benefits	2016-01-01	24
Number of other retired or separated participants entitled to future benefits	2016-01-01	819
Total of all active and inactive participants	2016-01-01	6,811
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2016-01-01	8
Total participants	2016-01-01	6,819
Number of participants with account balances	2016-01-01	2,536
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2016-01-01	0
2015: SIX FLAGS 401(K) PLAN 2015 401k membership
Total participants, beginning-of-year	2015-01-01	5,602
Total number of active participants reported on line 7a of the Form 5500	2015-01-01	5,093
Number of retired or separated participants receiving benefits	2015-01-01	23
Number of other retired or separated participants entitled to future benefits	2015-01-01	845
Total of all active and inactive participants	2015-01-01	5,961
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2015-01-01	3
Total participants	2015-01-01	5,964
Number of participants with account balances	2015-01-01	2,542
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2015-01-01	0
2014: SIX FLAGS 401(K) PLAN 2014 401k membership
Total participants, beginning-of-year	2014-01-01	4,894
Total number of active participants reported on line 7a of the Form 5500	2014-01-01	4,801
Number of retired or separated participants receiving benefits	2014-01-01	17
Number of other retired or separated participants entitled to future benefits	2014-01-01	781
Total of all active and inactive participants	2014-01-01	5,599
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2014-01-01	3
Total participants	2014-01-01	5,602
Number of participants with account balances	2014-01-01	2,227
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2014-01-01	3
2013: SIX FLAGS 401(K) PLAN 2013 401k membership
Total participants, beginning-of-year	2013-01-01	12,151
Total number of active participants reported on line 7a of the Form 5500	2013-01-01	4,296
Number of retired or separated participants receiving benefits	2013-01-01	0
Number of other retired or separated participants entitled to future benefits	2013-01-01	597
Total of all active and inactive participants	2013-01-01	4,893
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2013-01-01	1
Total participants	2013-01-01	4,894
Number of participants with account balances	2013-01-01	1,878
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2013-01-01	0
2012: SIX FLAGS 401(K) PLAN 2012 401k membership
Total participants, beginning-of-year	2012-01-01	5,890
Total number of active participants reported on line 7a of the Form 5500	2012-01-01	11,516
Number of retired or separated participants receiving benefits	2012-01-01	0
Number of other retired or separated participants entitled to future benefits	2012-01-01	625
Total of all active and inactive participants	2012-01-01	12,141
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2012-01-01	10
Total participants	2012-01-01	12,151
Number of participants with account balances	2012-01-01	2,038
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2012-01-01	13
2011: SIX FLAGS 401(K) PLAN 2011 401k membership
Total participants, beginning-of-year	2011-01-01	4,255
Total number of active participants reported on line 7a of the Form 5500	2011-01-01	5,091
Number of retired or separated participants receiving benefits	2011-01-01	0
Number of other retired or separated participants entitled to future benefits	2011-01-01	789
Total of all active and inactive participants	2011-01-01	5,880
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2011-01-01	10
Total participants	2011-01-01	5,890
Number of participants with account balances	2011-01-01	1,871
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2011-01-01	2
2010: SIX FLAGS 401(K) PLAN 2010 401k membership
Total participants, beginning-of-year	2010-01-01	2,553
Total number of active participants reported on line 7a of the Form 5500	2010-01-01	3,611
Number of retired or separated participants receiving benefits	2010-01-01	0
Number of other retired or separated participants entitled to future benefits	2010-01-01	644
Total of all active and inactive participants	2010-01-01	4,255
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2010-01-01	0
Total participants	2010-01-01	4,255
Number of participants with account balances	2010-01-01	1,798
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2010-01-01	3
2009: SIX FLAGS 401(K) PLAN 2009 401k membership
Total participants, beginning-of-year	2009-01-01	2,990
Total number of active participants reported on line 7a of the Form 5500	2009-01-01	1,857
Number of retired or separated participants receiving benefits	2009-01-01	0
Number of other retired or separated participants entitled to future benefits	2009-01-01	696
Total of all active and inactive participants	2009-01-01	2,553
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2009-01-01	0
Total participants	2009-01-01	2,553
Number of participants with account balances	2009-01-01	1,874
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2009-01-01	5

Financial Data on SIX FLAGS 401(K) PLAN

Measure	Date	Value
2022 : SIX FLAGS 401(K) PLAN 2022 401k financial data
Unrealized appreciation/depreciation of real estate assets	2022-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2022-12-31	$0
Total unrealized appreciation/depreciation of assets	2022-12-31	$0
Total transfer of assets to this plan	2022-12-31	$0
Total transfer of assets from this plan	2022-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$0
Expenses. Interest paid	2022-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2022-12-31	$0
Total income from all sources (including contributions)	2022-12-31	$-17,344,842
Total loss/gain on sale of assets	2022-12-31	$0
Total of all expenses incurred	2022-12-31	$35,425,825
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-12-31	$35,329,579
Expenses. Certain deemed distributions of participant loans	2022-12-31	$51,170
Value of total corrective distributions	2022-12-31	$3,899
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-12-31	$11,841,101
Value of total assets at end of year	2022-12-31	$160,709,027
Value of total assets at beginning of year	2022-12-31	$213,479,694
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-12-31	$41,177
Total income from rents	2022-12-31	$0
Total interest from all sources	2022-12-31	$160,777
Total dividends received (eg from common stock, registered investment company shares)	2022-12-31	$8,870,114
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2022-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2022-12-31	$8,870,114
Assets. Real estate other than employer real property at end of year	2022-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2022-12-31	$0
Administrative expenses professional fees incurred	2022-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2022-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2022-12-31	$0
Was this plan covered by a fidelity bond	2022-12-31	Yes
Value of fidelity bond cover	2022-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2022-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2022-12-31	No
Contributions received from participants	2022-12-31	$8,087,916
Participant contributions at end of year	2022-12-31	$3,094,207
Participant contributions at beginning of year	2022-12-31	$3,645,855
Participant contributions at end of year	2022-12-31	$203,915
Participant contributions at beginning of year	2022-12-31	$257,194
Assets. Other investments not covered elsewhere at end of year	2022-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2022-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2022-12-31	$120,844
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2022-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2022-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2022-12-31	$0
Assets. Loans (other than to participants) at end of year	2022-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2022-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2022-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2022-12-31	$0
Other income not declared elsewhere	2022-12-31	$0
Administrative expenses (other) incurred	2022-12-31	$-22,957
Liabilities. Value of operating payables at end of year	2022-12-31	$0
Liabilities. Value of operating payables at beginning of year	2022-12-31	$0
Total non interest bearing cash at end of year	2022-12-31	$0
Total non interest bearing cash at beginning of year	2022-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Income. Non cash contributions	2022-12-31	$0
Value of net income/loss	2022-12-31	$-52,770,667
Value of net assets at end of year (total assets less liabilities)	2022-12-31	$160,709,027
Value of net assets at beginning of year (total assets less liabilities)	2022-12-31	$213,479,694
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2022-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2022-12-31	No
Were any leases to which the plan was party in default or uncollectible	2022-12-31	No
Assets. partnership/joint venture interests at end of year	2022-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2022-12-31	$0
Investment advisory and management fees	2022-12-31	$64,134
Value of interest in registered invesment companies (eg mutual funds) at end of year	2022-12-31	$142,251,844
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2022-12-31	$189,721,378
Value of interest in pooled separate accounts at end of year	2022-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2022-12-31	$0
Interest on participant loans	2022-12-31	$160,777
Income. Interest from loans (other than to participants)	2022-12-31	$0
Interest earned on other investments	2022-12-31	$0
Income. Interest from US Government securities	2022-12-31	$0
Income. Interest from corporate debt instruments	2022-12-31	$0
Value of interest in master investment trust accounts at end of year	2022-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2022-12-31	$0
Value of interest in common/collective trusts at end of year	2022-12-31	$14,443,589
Value of interest in common/collective trusts at beginning of year	2022-12-31	$16,296,101
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2022-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2022-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2022-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2022-12-31	$0
Assets. Value of investments in 103.12 investment entities at end of year	2022-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2022-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2022-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2022-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2022-12-31	$0
Asset value of US Government securities at end of year	2022-12-31	$0
Asset value of US Government securities at beginning of year	2022-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2022-12-31	$-37,202,964
Net investment gain/loss from pooled separate accounts	2022-12-31	$0
Net investment gain or loss from common/collective trusts	2022-12-31	$-1,013,870
Net gain/loss from 103.12 investment entities	2022-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2022-12-31	No
Was there a failure to transmit to the plan any participant contributions	2022-12-31	No
Has the plan failed to provide any benefit when due under the plan	2022-12-31	Yes
Assets. Invements in employer securities at end of year	2022-12-31	$0
Assets. Invements in employer securities at beginning of year	2022-12-31	$0
Assets. Value of employer real property at end of year	2022-12-31	$0
Assets. Value of employer real property at beginning of year	2022-12-31	$0
Contributions received in cash from employer	2022-12-31	$3,632,341
Employer contributions (assets) at end of year	2022-12-31	$715,472
Employer contributions (assets) at beginning of year	2022-12-31	$3,559,166
Income. Dividends from preferred stock	2022-12-31	$0
Income. Dividends from common stock	2022-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2022-12-31	$35,329,579
Asset. Corporate debt instrument preferred debt at end of year	2022-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2022-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2022-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2022-12-31	$0
Contract administrator fees	2022-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2022-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2022-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2022-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2022-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2022-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2022-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2022-12-31	$0
Did the plan have assets held for investment	2022-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2022-12-31	No
Aggregate proceeds on sale of assets	2022-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2022-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2022-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2022-12-31	$0
Opinion of an independent qualified public accountant for this plan	2022-12-31	Unqualified
Accountancy firm name	2022-12-31	WHITLEY PENN LLP
Accountancy firm EIN	2022-12-31	752393478
2021 : SIX FLAGS 401(K) PLAN 2021 401k financial data
Unrealized appreciation/depreciation of real estate assets	2021-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2021-12-31	$0
Total unrealized appreciation/depreciation of assets	2021-12-31	$0
Total transfer of assets to this plan	2021-12-31	$0
Total transfer of assets from this plan	2021-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$0
Expenses. Interest paid	2021-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2021-12-31	$0
Total income from all sources (including contributions)	2021-12-31	$43,943,481
Total loss/gain on sale of assets	2021-12-31	$0
Total of all expenses incurred	2021-12-31	$27,499,163
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2021-12-31	$27,375,394
Expenses. Certain deemed distributions of participant loans	2021-12-31	$76,614
Value of total corrective distributions	2021-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2021-12-31	$12,880,756
Value of total assets at end of year	2021-12-31	$213,479,694
Value of total assets at beginning of year	2021-12-31	$197,035,376
Total of administrative expenses incurred including professional, contract, advisory and management fees	2021-12-31	$47,155
Total income from rents	2021-12-31	$0
Total interest from all sources	2021-12-31	$248,212
Total dividends received (eg from common stock, registered investment company shares)	2021-12-31	$10,953,755
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2021-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2021-12-31	$10,953,755
Assets. Real estate other than employer real property at end of year	2021-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2021-12-31	$0
Administrative expenses professional fees incurred	2021-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2021-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2021-12-31	$0
Was this plan covered by a fidelity bond	2021-12-31	Yes
Value of fidelity bond cover	2021-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2021-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2021-12-31	No
Contributions received from participants	2021-12-31	$8,272,714
Participant contributions at end of year	2021-12-31	$3,645,855
Participant contributions at beginning of year	2021-12-31	$4,400,398
Participant contributions at end of year	2021-12-31	$257,194
Participant contributions at beginning of year	2021-12-31	$253,648
Assets. Other investments not covered elsewhere at end of year	2021-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2021-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2021-12-31	$1,047,452
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2021-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2021-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2021-12-31	$0
Assets. Loans (other than to participants) at end of year	2021-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2021-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2021-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2021-12-31	$0
Other income not declared elsewhere	2021-12-31	$0
Administrative expenses (other) incurred	2021-12-31	$-19,472
Liabilities. Value of operating payables at end of year	2021-12-31	$0
Liabilities. Value of operating payables at beginning of year	2021-12-31	$0
Total non interest bearing cash at end of year	2021-12-31	$0
Total non interest bearing cash at beginning of year	2021-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Income. Non cash contributions	2021-12-31	$0
Value of net income/loss	2021-12-31	$16,444,318
Value of net assets at end of year (total assets less liabilities)	2021-12-31	$213,479,694
Value of net assets at beginning of year (total assets less liabilities)	2021-12-31	$197,035,376
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2021-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2021-12-31	No
Were any leases to which the plan was party in default or uncollectible	2021-12-31	No
Assets. partnership/joint venture interests at end of year	2021-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2021-12-31	$0
Investment advisory and management fees	2021-12-31	$66,627
Value of interest in registered invesment companies (eg mutual funds) at end of year	2021-12-31	$189,721,378
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2021-12-31	$171,187,430
Value of interest in pooled separate accounts at end of year	2021-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2021-12-31	$0
Interest on participant loans	2021-12-31	$248,212
Income. Interest from loans (other than to participants)	2021-12-31	$0
Interest earned on other investments	2021-12-31	$0
Income. Interest from US Government securities	2021-12-31	$0
Income. Interest from corporate debt instruments	2021-12-31	$0
Value of interest in master investment trust accounts at end of year	2021-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2021-12-31	$0
Value of interest in common/collective trusts at end of year	2021-12-31	$16,296,101
Value of interest in common/collective trusts at beginning of year	2021-12-31	$17,869,318
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2021-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2021-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2021-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2021-12-31	$0
Assets. Value of investments in 103.12 investment entities at end of year	2021-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2021-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2021-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2021-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2021-12-31	$0
Asset value of US Government securities at end of year	2021-12-31	$0
Asset value of US Government securities at beginning of year	2021-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2021-12-31	$19,703,512
Net investment gain/loss from pooled separate accounts	2021-12-31	$0
Net investment gain or loss from common/collective trusts	2021-12-31	$157,246
Net gain/loss from 103.12 investment entities	2021-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2021-12-31	No
Was there a failure to transmit to the plan any participant contributions	2021-12-31	No
Has the plan failed to provide any benefit when due under the plan	2021-12-31	Yes
Assets. Invements in employer securities at end of year	2021-12-31	$0
Assets. Invements in employer securities at beginning of year	2021-12-31	$0
Assets. Value of employer real property at end of year	2021-12-31	$0
Assets. Value of employer real property at beginning of year	2021-12-31	$0
Contributions received in cash from employer	2021-12-31	$3,560,590
Employer contributions (assets) at end of year	2021-12-31	$3,559,166
Employer contributions (assets) at beginning of year	2021-12-31	$3,324,582
Income. Dividends from preferred stock	2021-12-31	$0
Income. Dividends from common stock	2021-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2021-12-31	$27,375,394
Asset. Corporate debt instrument preferred debt at end of year	2021-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2021-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2021-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2021-12-31	$0
Contract administrator fees	2021-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2021-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2021-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2021-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2021-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2021-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2021-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2021-12-31	$0
Did the plan have assets held for investment	2021-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2021-12-31	No
Aggregate proceeds on sale of assets	2021-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2021-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2021-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2021-12-31	$0
Opinion of an independent qualified public accountant for this plan	2021-12-31	Unqualified
Accountancy firm name	2021-12-31	WHITLEY PENN LLP
Accountancy firm EIN	2021-12-31	752393478
2020 : SIX FLAGS 401(K) PLAN 2020 401k financial data
Unrealized appreciation/depreciation of real estate assets	2020-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2020-12-31	$0
Total unrealized appreciation/depreciation of assets	2020-12-31	$0
Total transfer of assets to this plan	2020-12-31	$0
Total transfer of assets from this plan	2020-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$0
Expenses. Interest paid	2020-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2020-12-31	$0
Total income from all sources (including contributions)	2020-12-31	$33,630,966
Total loss/gain on sale of assets	2020-12-31	$0
Total of all expenses incurred	2020-12-31	$30,866,772
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2020-12-31	$30,763,622
Expenses. Certain deemed distributions of participant loans	2020-12-31	$31,694
Value of total corrective distributions	2020-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2020-12-31	$13,063,880
Value of total assets at end of year	2020-12-31	$197,035,376
Value of total assets at beginning of year	2020-12-31	$194,271,182
Total of administrative expenses incurred including professional, contract, advisory and management fees	2020-12-31	$71,456
Total income from rents	2020-12-31	$0
Total interest from all sources	2020-12-31	$171,807
Total dividends received (eg from common stock, registered investment company shares)	2020-12-31	$7,525,903
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2020-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2020-12-31	$7,525,903
Assets. Real estate other than employer real property at end of year	2020-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2020-12-31	$0
Administrative expenses professional fees incurred	2020-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2020-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2020-12-31	$0
Was this plan covered by a fidelity bond	2020-12-31	Yes
Value of fidelity bond cover	2020-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2020-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2020-12-31	No
Contributions received from participants	2020-12-31	$7,183,004
Participant contributions at end of year	2020-12-31	$4,400,398
Participant contributions at beginning of year	2020-12-31	$3,748,429
Participant contributions at end of year	2020-12-31	$253,648
Participant contributions at beginning of year	2020-12-31	$274,837
Assets. Other investments not covered elsewhere at end of year	2020-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2020-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2020-12-31	$2,556,294
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2020-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2020-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2020-12-31	$0
Assets. Loans (other than to participants) at end of year	2020-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2020-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2020-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2020-12-31	$0
Other income not declared elsewhere	2020-12-31	$0
Administrative expenses (other) incurred	2020-12-31	$7,979
Liabilities. Value of operating payables at end of year	2020-12-31	$0
Liabilities. Value of operating payables at beginning of year	2020-12-31	$0
Total non interest bearing cash at end of year	2020-12-31	$0
Total non interest bearing cash at beginning of year	2020-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Income. Non cash contributions	2020-12-31	$0
Value of net income/loss	2020-12-31	$2,764,194
Value of net assets at end of year (total assets less liabilities)	2020-12-31	$197,035,376
Value of net assets at beginning of year (total assets less liabilities)	2020-12-31	$194,271,182
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2020-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2020-12-31	No
Were any leases to which the plan was party in default or uncollectible	2020-12-31	No
Assets. partnership/joint venture interests at end of year	2020-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2020-12-31	$0
Investment advisory and management fees	2020-12-31	$63,477
Value of interest in registered invesment companies (eg mutual funds) at end of year	2020-12-31	$171,187,430
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2020-12-31	$169,114,094
Value of interest in pooled separate accounts at end of year	2020-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2020-12-31	$0
Interest on participant loans	2020-12-31	$171,807
Income. Interest from loans (other than to participants)	2020-12-31	$0
Interest earned on other investments	2020-12-31	$0
Income. Interest from US Government securities	2020-12-31	$0
Income. Interest from corporate debt instruments	2020-12-31	$0
Value of interest in master investment trust accounts at end of year	2020-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2020-12-31	$0
Value of interest in common/collective trusts at end of year	2020-12-31	$17,869,318
Value of interest in common/collective trusts at beginning of year	2020-12-31	$16,979,410
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2020-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2020-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2020-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2020-12-31	$0
Assets. Value of investments in 103.12 investment entities at end of year	2020-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2020-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2020-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2020-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2020-12-31	$0
Asset value of US Government securities at end of year	2020-12-31	$0
Asset value of US Government securities at beginning of year	2020-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2020-12-31	$12,601,322
Net investment gain/loss from pooled separate accounts	2020-12-31	$0
Net investment gain or loss from common/collective trusts	2020-12-31	$268,054
Net gain/loss from 103.12 investment entities	2020-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2020-12-31	No
Was there a failure to transmit to the plan any participant contributions	2020-12-31	No
Has the plan failed to provide any benefit when due under the plan	2020-12-31	Yes
Assets. Invements in employer securities at end of year	2020-12-31	$0
Assets. Invements in employer securities at beginning of year	2020-12-31	$0
Assets. Value of employer real property at end of year	2020-12-31	$0
Assets. Value of employer real property at beginning of year	2020-12-31	$0
Contributions received in cash from employer	2020-12-31	$3,324,582
Employer contributions (assets) at end of year	2020-12-31	$3,324,582
Employer contributions (assets) at beginning of year	2020-12-31	$4,154,412
Income. Dividends from preferred stock	2020-12-31	$0
Income. Dividends from common stock	2020-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2020-12-31	$30,763,622
Asset. Corporate debt instrument preferred debt at end of year	2020-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2020-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2020-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2020-12-31	$0
Contract administrator fees	2020-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2020-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2020-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2020-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2020-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2020-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2020-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2020-12-31	$0
Did the plan have assets held for investment	2020-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2020-12-31	No
Aggregate proceeds on sale of assets	2020-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2020-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2020-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2020-12-31	$0
Opinion of an independent qualified public accountant for this plan	2020-12-31	Disclaimer
Accountancy firm name	2020-12-31	WHITLEY PENN LLP
Accountancy firm EIN	2020-12-31	752393478
2019 : SIX FLAGS 401(K) PLAN 2019 401k financial data
Unrealized appreciation/depreciation of real estate assets	2019-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2019-12-31	$0
Total unrealized appreciation/depreciation of assets	2019-12-31	$0
Total transfer of assets to this plan	2019-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Expenses. Interest paid	2019-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2019-12-31	$0
Total income from all sources (including contributions)	2019-12-31	$46,173,586
Total loss/gain on sale of assets	2019-12-31	$0
Total of all expenses incurred	2019-12-31	$14,736,392
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$14,657,302
Expenses. Certain deemed distributions of participant loans	2019-12-31	$1,103
Value of total corrective distributions	2019-12-31	$924
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$13,304,508
Value of total assets at end of year	2019-12-31	$194,271,182
Value of total assets at beginning of year	2019-12-31	$162,833,988
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$77,063
Total income from rents	2019-12-31	$0
Total interest from all sources	2019-12-31	$167,838
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$7,370,742
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2019-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2019-12-31	$7,370,742
Assets. Real estate other than employer real property at end of year	2019-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2019-12-31	$0
Administrative expenses professional fees incurred	2019-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2019-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2019-12-31	$0
Was this plan covered by a fidelity bond	2019-12-31	Yes
Value of fidelity bond cover	2019-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2019-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2019-12-31	No
Contributions received from participants	2019-12-31	$9,001,930
Participant contributions at end of year	2019-12-31	$3,748,429
Participant contributions at beginning of year	2019-12-31	$3,099,622
Participant contributions at end of year	2019-12-31	$274,837
Participant contributions at beginning of year	2019-12-31	$256,894
Assets. Other investments not covered elsewhere at end of year	2019-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2019-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2019-12-31	$128,827
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2019-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2019-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2019-12-31	$0
Assets. Loans (other than to participants) at end of year	2019-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2019-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2019-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2019-12-31	$0
Other income not declared elsewhere	2019-12-31	$0
Administrative expenses (other) incurred	2019-12-31	$18,921
Liabilities. Value of operating payables at end of year	2019-12-31	$0
Liabilities. Value of operating payables at beginning of year	2019-12-31	$0
Total non interest bearing cash at end of year	2019-12-31	$0
Total non interest bearing cash at beginning of year	2019-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Income. Non cash contributions	2019-12-31	$0
Value of net income/loss	2019-12-31	$31,437,194
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$194,271,182
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$162,833,988
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2019-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2019-12-31	No
Were any leases to which the plan was party in default or uncollectible	2019-12-31	No
Assets. partnership/joint venture interests at end of year	2019-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2019-12-31	$0
Investment advisory and management fees	2019-12-31	$58,142
Value of interest in registered invesment companies (eg mutual funds) at end of year	2019-12-31	$169,114,094
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$138,244,756
Value of interest in pooled separate accounts at end of year	2019-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2019-12-31	$0
Interest on participant loans	2019-12-31	$167,838
Income. Interest from loans (other than to participants)	2019-12-31	$0
Interest earned on other investments	2019-12-31	$0
Income. Interest from US Government securities	2019-12-31	$0
Income. Interest from corporate debt instruments	2019-12-31	$0
Value of interest in master investment trust accounts at end of year	2019-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2019-12-31	$0
Value of interest in common/collective trusts at end of year	2019-12-31	$16,979,410
Value of interest in common/collective trusts at beginning of year	2019-12-31	$17,401,468
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2019-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2019-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2019-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2019-12-31	$0
Assets. Value of investments in 103.12 investment entities at end of year	2019-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2019-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2019-12-31	$0
Asset value of US Government securities at end of year	2019-12-31	$0
Asset value of US Government securities at beginning of year	2019-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2019-12-31	$25,003,166
Net investment gain/loss from pooled separate accounts	2019-12-31	$0
Net investment gain or loss from common/collective trusts	2019-12-31	$327,332
Net gain/loss from 103.12 investment entities	2019-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2019-12-31	No
Was there a failure to transmit to the plan any participant contributions	2019-12-31	No
Has the plan failed to provide any benefit when due under the plan	2019-12-31	Yes
Assets. Invements in employer securities at end of year	2019-12-31	$0
Assets. Invements in employer securities at beginning of year	2019-12-31	$0
Assets. Value of employer real property at end of year	2019-12-31	$0
Assets. Value of employer real property at beginning of year	2019-12-31	$0
Contributions received in cash from employer	2019-12-31	$4,173,751
Employer contributions (assets) at end of year	2019-12-31	$4,154,412
Employer contributions (assets) at beginning of year	2019-12-31	$3,831,248
Income. Dividends from preferred stock	2019-12-31	$0
Income. Dividends from common stock	2019-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2019-12-31	$14,657,302
Asset. Corporate debt instrument preferred debt at end of year	2019-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2019-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2019-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2019-12-31	$0
Contract administrator fees	2019-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2019-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2019-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2019-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2019-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2019-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2019-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2019-12-31	$0
Did the plan have assets held for investment	2019-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2019-12-31	No
Aggregate proceeds on sale of assets	2019-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2019-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2019-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2019-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2019-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2019-12-31	Disclaimer
Accountancy firm name	2019-12-31	WHITLEY PENN LLP
Accountancy firm EIN	2019-12-31	752393478
2018 : SIX FLAGS 401(K) PLAN 2018 401k financial data
Unrealized appreciation/depreciation of real estate assets	2018-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2018-12-31	$0
Total unrealized appreciation/depreciation of assets	2018-12-31	$0
Total transfer of assets to this plan	2018-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$0
Expenses. Interest paid	2018-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2018-12-31	$0
Total income from all sources (including contributions)	2018-12-31	$4,701,495
Total loss/gain on sale of assets	2018-12-31	$0
Total of all expenses incurred	2018-12-31	$10,382,479
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2018-12-31	$10,294,448
Expenses. Certain deemed distributions of participant loans	2018-12-31	$14,189
Value of total corrective distributions	2018-12-31	$1,089
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2018-12-31	$14,713,691
Value of total assets at end of year	2018-12-31	$162,833,988
Value of total assets at beginning of year	2018-12-31	$168,514,972
Total of administrative expenses incurred including professional, contract, advisory and management fees	2018-12-31	$72,753
Total income from rents	2018-12-31	$0
Total interest from all sources	2018-12-31	$151,319
Total dividends received (eg from common stock, registered investment company shares)	2018-12-31	$9,799,683
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2018-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2018-12-31	$9,799,683
Assets. Real estate other than employer real property at end of year	2018-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2018-12-31	$0
Administrative expenses professional fees incurred	2018-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2018-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2018-12-31	$0
Was this plan covered by a fidelity bond	2018-12-31	Yes
Value of fidelity bond cover	2018-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2018-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2018-12-31	No
Contributions received from participants	2018-12-31	$8,366,584
Participant contributions at end of year	2018-12-31	$3,099,622
Participant contributions at beginning of year	2018-12-31	$3,282,089
Participant contributions at end of year	2018-12-31	$256,894
Participant contributions at beginning of year	2018-12-31	$217,790
Assets. Other investments not covered elsewhere at end of year	2018-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2018-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2018-12-31	$2,515,859
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2018-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2018-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2018-12-31	$0
Assets. Loans (other than to participants) at end of year	2018-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2018-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2018-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2018-12-31	$0
Other income not declared elsewhere	2018-12-31	$0
Administrative expenses (other) incurred	2018-12-31	$25,228
Liabilities. Value of operating payables at end of year	2018-12-31	$0
Liabilities. Value of operating payables at beginning of year	2018-12-31	$0
Total non interest bearing cash at end of year	2018-12-31	$0
Total non interest bearing cash at beginning of year	2018-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Income. Non cash contributions	2018-12-31	$0
Value of net income/loss	2018-12-31	$-5,680,984
Value of net assets at end of year (total assets less liabilities)	2018-12-31	$162,833,988
Value of net assets at beginning of year (total assets less liabilities)	2018-12-31	$168,514,972
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2018-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2018-12-31	No
Were any leases to which the plan was party in default or uncollectible	2018-12-31	No
Assets. partnership/joint venture interests at end of year	2018-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2018-12-31	$0
Investment advisory and management fees	2018-12-31	$47,525
Value of interest in registered invesment companies (eg mutual funds) at end of year	2018-12-31	$138,244,756
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2018-12-31	$144,644,316
Value of interest in pooled separate accounts at end of year	2018-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2018-12-31	$0
Interest on participant loans	2018-12-31	$151,319
Income. Interest from loans (other than to participants)	2018-12-31	$0
Interest earned on other investments	2018-12-31	$0
Income. Interest from US Government securities	2018-12-31	$0
Income. Interest from corporate debt instruments	2018-12-31	$0
Value of interest in master investment trust accounts at end of year	2018-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2018-12-31	$0
Value of interest in common/collective trusts at end of year	2018-12-31	$17,401,468
Value of interest in common/collective trusts at beginning of year	2018-12-31	$16,753,317
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2018-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2018-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2018-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2018-12-31	$0
Assets. Value of investments in 103.12 investment entities at end of year	2018-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2018-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2018-12-31	$0
Asset value of US Government securities at end of year	2018-12-31	$0
Asset value of US Government securities at beginning of year	2018-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2018-12-31	$-20,230,743
Net investment gain/loss from pooled separate accounts	2018-12-31	$0
Net investment gain or loss from common/collective trusts	2018-12-31	$267,545
Net gain/loss from 103.12 investment entities	2018-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2018-12-31	No
Was there a failure to transmit to the plan any participant contributions	2018-12-31	No
Has the plan failed to provide any benefit when due under the plan	2018-12-31	Yes
Assets. Invements in employer securities at end of year	2018-12-31	$0
Assets. Invements in employer securities at beginning of year	2018-12-31	$0
Assets. Value of employer real property at end of year	2018-12-31	$0
Assets. Value of employer real property at beginning of year	2018-12-31	$0
Contributions received in cash from employer	2018-12-31	$3,831,248
Employer contributions (assets) at end of year	2018-12-31	$3,831,248
Employer contributions (assets) at beginning of year	2018-12-31	$3,617,460
Income. Dividends from preferred stock	2018-12-31	$0
Income. Dividends from common stock	2018-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2018-12-31	$10,294,448
Asset. Corporate debt instrument preferred debt at end of year	2018-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2018-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2018-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2018-12-31	$0
Contract administrator fees	2018-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2018-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2018-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2018-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2018-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2018-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2018-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2018-12-31	$0
Did the plan have assets held for investment	2018-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2018-12-31	No
Aggregate proceeds on sale of assets	2018-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2018-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2018-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2018-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2018-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2018-12-31	Disclaimer
Accountancy firm name	2018-12-31	WHITLEY PENN LLP
Accountancy firm EIN	2018-12-31	752393478
2017 : SIX FLAGS 401(K) PLAN 2017 401k financial data
Unrealized appreciation/depreciation of real estate assets	2017-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2017-12-31	$0
Total unrealized appreciation/depreciation of assets	2017-12-31	$0
Total transfer of assets to this plan	2017-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$0
Expenses. Interest paid	2017-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2017-12-31	$0
Total income from all sources (including contributions)	2017-12-31	$33,833,379
Total loss/gain on sale of assets	2017-12-31	$0
Total of all expenses incurred	2017-12-31	$8,737,852
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2017-12-31	$8,666,290
Expenses. Certain deemed distributions of participant loans	2017-12-31	$7,538
Value of total corrective distributions	2017-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2017-12-31	$11,417,791
Value of total assets at end of year	2017-12-31	$168,514,972
Value of total assets at beginning of year	2017-12-31	$143,419,445
Total of administrative expenses incurred including professional, contract, advisory and management fees	2017-12-31	$64,024
Total income from rents	2017-12-31	$0
Total interest from all sources	2017-12-31	$139,500
Total dividends received (eg from common stock, registered investment company shares)	2017-12-31	$6,185,060
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2017-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2017-12-31	$6,185,060
Assets. Real estate other than employer real property at end of year	2017-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2017-12-31	$0
Administrative expenses professional fees incurred	2017-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2017-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2017-12-31	$0
Was this plan covered by a fidelity bond	2017-12-31	Yes
Value of fidelity bond cover	2017-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2017-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2017-12-31	No
Contributions received from participants	2017-12-31	$7,570,100
Participant contributions at end of year	2017-12-31	$3,282,089
Participant contributions at beginning of year	2017-12-31	$3,233,292
Participant contributions at end of year	2017-12-31	$217,790
Participant contributions at beginning of year	2017-12-31	$190,662
Assets. Other investments not covered elsewhere at end of year	2017-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2017-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2017-12-31	$230,231
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2017-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2017-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2017-12-31	$0
Assets. Loans (other than to participants) at end of year	2017-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2017-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2017-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2017-12-31	$0
Other income not declared elsewhere	2017-12-31	$0
Administrative expenses (other) incurred	2017-12-31	$25,049
Liabilities. Value of operating payables at end of year	2017-12-31	$0
Liabilities. Value of operating payables at beginning of year	2017-12-31	$0
Total non interest bearing cash at end of year	2017-12-31	$0
Total non interest bearing cash at beginning of year	2017-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Income. Non cash contributions	2017-12-31	$0
Value of net income/loss	2017-12-31	$25,095,527
Value of net assets at end of year (total assets less liabilities)	2017-12-31	$168,514,972
Value of net assets at beginning of year (total assets less liabilities)	2017-12-31	$143,419,445
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2017-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2017-12-31	No
Were any leases to which the plan was party in default or uncollectible	2017-12-31	No
Assets. partnership/joint venture interests at end of year	2017-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2017-12-31	$0
Investment advisory and management fees	2017-12-31	$38,975
Value of interest in registered invesment companies (eg mutual funds) at end of year	2017-12-31	$144,644,316
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2017-12-31	$119,183,039
Value of interest in pooled separate accounts at end of year	2017-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2017-12-31	$0
Interest on participant loans	2017-12-31	$139,500
Income. Interest from loans (other than to participants)	2017-12-31	$0
Interest earned on other investments	2017-12-31	$0
Income. Interest from US Government securities	2017-12-31	$0
Income. Interest from corporate debt instruments	2017-12-31	$0
Value of interest in master investment trust accounts at end of year	2017-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2017-12-31	$0
Value of interest in common/collective trusts at end of year	2017-12-31	$16,753,317
Value of interest in common/collective trusts at beginning of year	2017-12-31	$17,160,518
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2017-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2017-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2017-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2017-12-31	$0
Assets. Value of investments in 103.12 investment entities at end of year	2017-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2017-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2017-12-31	$0
Asset value of US Government securities at end of year	2017-12-31	$0
Asset value of US Government securities at beginning of year	2017-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2017-12-31	$15,877,786
Net investment gain/loss from pooled separate accounts	2017-12-31	$0
Net investment gain or loss from common/collective trusts	2017-12-31	$213,242
Net gain/loss from 103.12 investment entities	2017-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2017-12-31	No
Was there a failure to transmit to the plan any participant contributions	2017-12-31	No
Has the plan failed to provide any benefit when due under the plan	2017-12-31	Yes
Assets. Invements in employer securities at end of year	2017-12-31	$0
Assets. Invements in employer securities at beginning of year	2017-12-31	$0
Assets. Value of employer real property at end of year	2017-12-31	$0
Assets. Value of employer real property at beginning of year	2017-12-31	$0
Contributions received in cash from employer	2017-12-31	$3,617,460
Employer contributions (assets) at end of year	2017-12-31	$3,617,460
Employer contributions (assets) at beginning of year	2017-12-31	$3,651,934
Income. Dividends from preferred stock	2017-12-31	$0
Income. Dividends from common stock	2017-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2017-12-31	$8,666,290
Asset. Corporate debt instrument preferred debt at end of year	2017-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2017-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2017-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2017-12-31	$0
Contract administrator fees	2017-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2017-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2017-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2017-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2017-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2017-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2017-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2017-12-31	$0
Did the plan have assets held for investment	2017-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2017-12-31	No
Aggregate proceeds on sale of assets	2017-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2017-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2017-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2017-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2017-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2017-12-31	Disclaimer
Accountancy firm name	2017-12-31	WHITLEY PENN LLP
Accountancy firm EIN	2017-12-31	752393478
2016 : SIX FLAGS 401(K) PLAN 2016 401k financial data
Unrealized appreciation/depreciation of real estate assets	2016-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2016-12-31	$0
Total unrealized appreciation/depreciation of assets	2016-12-31	$0
Total transfer of assets to this plan	2016-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$0
Expenses. Interest paid	2016-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2016-12-31	$0
Total income from all sources (including contributions)	2016-12-31	$22,172,803
Total loss/gain on sale of assets	2016-12-31	$0
Total of all expenses incurred	2016-12-31	$8,210,233
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2016-12-31	$8,155,761
Expenses. Certain deemed distributions of participant loans	2016-12-31	$9,711
Value of total corrective distributions	2016-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2016-12-31	$11,180,126
Value of total assets at end of year	2016-12-31	$143,419,445
Value of total assets at beginning of year	2016-12-31	$129,456,875
Total of administrative expenses incurred including professional, contract, advisory and management fees	2016-12-31	$44,761
Total income from rents	2016-12-31	$0
Total interest from all sources	2016-12-31	$136,525
Total dividends received (eg from common stock, registered investment company shares)	2016-12-31	$4,255,244
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2016-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2016-12-31	$4,255,244
Assets. Real estate other than employer real property at end of year	2016-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2016-12-31	$0
Administrative expenses professional fees incurred	2016-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2016-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2016-12-31	$0
Was this plan covered by a fidelity bond	2016-12-31	Yes
Value of fidelity bond cover	2016-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2016-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2016-12-31	No
Contributions received from participants	2016-12-31	$7,318,111
Participant contributions at end of year	2016-12-31	$3,233,292
Participant contributions at beginning of year	2016-12-31	$3,397,898
Participant contributions at end of year	2016-12-31	$190,662
Participant contributions at beginning of year	2016-12-31	$170,847
Assets. Other investments not covered elsewhere at end of year	2016-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2016-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2016-12-31	$210,081
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2016-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2016-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2016-12-31	$0
Assets. Loans (other than to participants) at end of year	2016-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2016-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2016-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2016-12-31	$0
Other income not declared elsewhere	2016-12-31	$0
Administrative expenses (other) incurred	2016-12-31	$17,416
Liabilities. Value of operating payables at end of year	2016-12-31	$0
Liabilities. Value of operating payables at beginning of year	2016-12-31	$0
Total non interest bearing cash at end of year	2016-12-31	$0
Total non interest bearing cash at beginning of year	2016-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Income. Non cash contributions	2016-12-31	$0
Value of net income/loss	2016-12-31	$13,962,570
Value of net assets at end of year (total assets less liabilities)	2016-12-31	$143,419,445
Value of net assets at beginning of year (total assets less liabilities)	2016-12-31	$129,456,875
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2016-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2016-12-31	No
Were any leases to which the plan was party in default or uncollectible	2016-12-31	No
Assets. partnership/joint venture interests at end of year	2016-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2016-12-31	$0
Investment advisory and management fees	2016-12-31	$27,345
Value of interest in registered invesment companies (eg mutual funds) at end of year	2016-12-31	$119,183,039
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2016-12-31	$103,623,589
Value of interest in pooled separate accounts at end of year	2016-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2016-12-31	$0
Interest on participant loans	2016-12-31	$136,525
Income. Interest from loans (other than to participants)	2016-12-31	$0
Interest earned on other investments	2016-12-31	$0
Income. Interest from US Government securities	2016-12-31	$0
Income. Interest from corporate debt instruments	2016-12-31	$0
Value of interest in master investment trust accounts at end of year	2016-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2016-12-31	$0
Value of interest in common/collective trusts at end of year	2016-12-31	$17,160,518
Value of interest in common/collective trusts at beginning of year	2016-12-31	$18,886,531
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2016-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2016-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2016-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2016-12-31	$0
Assets. Value of investments in 103.12 investment entities at end of year	2016-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2016-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2016-12-31	$0
Asset value of US Government securities at end of year	2016-12-31	$0
Asset value of US Government securities at beginning of year	2016-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2016-12-31	$6,334,711
Net investment gain/loss from pooled separate accounts	2016-12-31	$0
Net investment gain or loss from common/collective trusts	2016-12-31	$266,197
Net gain/loss from 103.12 investment entities	2016-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2016-12-31	No
Was there a failure to transmit to the plan any participant contributions	2016-12-31	No
Has the plan failed to provide any benefit when due under the plan	2016-12-31	Yes
Assets. Invements in employer securities at end of year	2016-12-31	$0
Assets. Invements in employer securities at beginning of year	2016-12-31	$0
Assets. Value of employer real property at end of year	2016-12-31	$0
Assets. Value of employer real property at beginning of year	2016-12-31	$0
Contributions received in cash from employer	2016-12-31	$3,651,934
Employer contributions (assets) at end of year	2016-12-31	$3,651,934
Employer contributions (assets) at beginning of year	2016-12-31	$3,378,010
Income. Dividends from preferred stock	2016-12-31	$0
Income. Dividends from common stock	2016-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2016-12-31	$8,155,761
Asset. Corporate debt instrument preferred debt at end of year	2016-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2016-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2016-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2016-12-31	$0
Contract administrator fees	2016-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2016-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2016-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2016-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2016-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2016-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2016-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2016-12-31	$0
Did the plan have assets held for investment	2016-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2016-12-31	No
Aggregate proceeds on sale of assets	2016-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2016-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2016-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2016-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2016-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2016-12-31	Disclaimer
Accountancy firm name	2016-12-31	WHITLEY PENN LLP
Accountancy firm EIN	2016-12-31	752393478
2015 : SIX FLAGS 401(K) PLAN 2015 401k financial data
Unrealized appreciation/depreciation of real estate assets	2015-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2015-12-31	$0
Total unrealized appreciation/depreciation of assets	2015-12-31	$0
Total transfer of assets to this plan	2015-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$0
Expenses. Interest paid	2015-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2015-12-31	$0
Total income from all sources (including contributions)	2015-12-31	$9,724,019
Total loss/gain on sale of assets	2015-12-31	$0
Total of all expenses incurred	2015-12-31	$6,045,150
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2015-12-31	$5,995,634
Expenses. Certain deemed distributions of participant loans	2015-12-31	$8,693
Value of total corrective distributions	2015-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2015-12-31	$10,438,206
Value of total assets at end of year	2015-12-31	$129,456,875
Value of total assets at beginning of year	2015-12-31	$125,778,006
Total of administrative expenses incurred including professional, contract, advisory and management fees	2015-12-31	$40,823
Total income from rents	2015-12-31	$0
Total interest from all sources	2015-12-31	$133,017
Total dividends received (eg from common stock, registered investment company shares)	2015-12-31	$5,250,461
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2015-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2015-12-31	$5,250,461
Assets. Real estate other than employer real property at end of year	2015-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2015-12-31	$0
Administrative expenses professional fees incurred	2015-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2015-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2015-12-31	$0
Was this plan covered by a fidelity bond	2015-12-31	Yes
Value of fidelity bond cover	2015-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2015-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2015-12-31	No
Contributions received from participants	2015-12-31	$6,869,022
Participant contributions at end of year	2015-12-31	$3,397,898
Participant contributions at beginning of year	2015-12-31	$3,168,896
Participant contributions at end of year	2015-12-31	$170,847
Participant contributions at beginning of year	2015-12-31	$22,225
Assets. Other investments not covered elsewhere at end of year	2015-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2015-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2015-12-31	$190,831
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2015-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2015-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2015-12-31	$0
Assets. Loans (other than to participants) at end of year	2015-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2015-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2015-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2015-12-31	$0
Other income not declared elsewhere	2015-12-31	$0
Administrative expenses (other) incurred	2015-12-31	$21,998
Liabilities. Value of operating payables at end of year	2015-12-31	$0
Liabilities. Value of operating payables at beginning of year	2015-12-31	$0
Total non interest bearing cash at end of year	2015-12-31	$0
Total non interest bearing cash at beginning of year	2015-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Income. Non cash contributions	2015-12-31	$0
Value of net income/loss	2015-12-31	$3,678,869
Value of net assets at end of year (total assets less liabilities)	2015-12-31	$129,456,875
Value of net assets at beginning of year (total assets less liabilities)	2015-12-31	$125,778,006
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2015-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2015-12-31	No
Were any leases to which the plan was party in default or uncollectible	2015-12-31	No
Assets. partnership/joint venture interests at end of year	2015-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2015-12-31	$0
Investment advisory and management fees	2015-12-31	$18,825
Value of interest in registered invesment companies (eg mutual funds) at end of year	2015-12-31	$103,623,589
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2015-12-31	$101,538,205
Value of interest in pooled separate accounts at end of year	2015-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2015-12-31	$0
Interest on participant loans	2015-12-31	$133,017
Income. Interest from loans (other than to participants)	2015-12-31	$0
Interest earned on other investments	2015-12-31	$0
Income. Interest from US Government securities	2015-12-31	$0
Income. Interest from corporate debt instruments	2015-12-31	$0
Value of interest in master investment trust accounts at end of year	2015-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2015-12-31	$0
Value of interest in common/collective trusts at end of year	2015-12-31	$18,886,531
Value of interest in common/collective trusts at beginning of year	2015-12-31	$18,131,256
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2015-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2015-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2015-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2015-12-31	$0
Assets. Value of investments in 103.12 investment entities at end of year	2015-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2015-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2015-12-31	$0
Asset value of US Government securities at end of year	2015-12-31	$0
Asset value of US Government securities at beginning of year	2015-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2015-12-31	$-6,177,393
Net investment gain/loss from pooled separate accounts	2015-12-31	$0
Net investment gain or loss from common/collective trusts	2015-12-31	$79,728
Net gain/loss from 103.12 investment entities	2015-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2015-12-31	No
Was there a failure to transmit to the plan any participant contributions	2015-12-31	No
Has the plan failed to provide any benefit when due under the plan	2015-12-31	No
Assets. Invements in employer securities at end of year	2015-12-31	$0
Assets. Invements in employer securities at beginning of year	2015-12-31	$0
Assets. Value of employer real property at end of year	2015-12-31	$0
Assets. Value of employer real property at beginning of year	2015-12-31	$0
Contributions received in cash from employer	2015-12-31	$3,378,353
Employer contributions (assets) at end of year	2015-12-31	$3,378,010
Employer contributions (assets) at beginning of year	2015-12-31	$2,917,424
Income. Dividends from preferred stock	2015-12-31	$0
Income. Dividends from common stock	2015-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2015-12-31	$5,995,634
Asset. Corporate debt instrument preferred debt at end of year	2015-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2015-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2015-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2015-12-31	$0
Contract administrator fees	2015-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2015-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2015-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2015-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2015-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2015-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2015-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2015-12-31	$0
Did the plan have assets held for investment	2015-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2015-12-31	No
Aggregate proceeds on sale of assets	2015-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2015-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2015-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2015-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2015-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2015-12-31	Disclaimer
Accountancy firm name	2015-12-31	WHITLEY PENN LLP
Accountancy firm EIN	2015-12-31	752393478
2014 : SIX FLAGS 401(K) PLAN 2014 401k financial data
Unrealized appreciation/depreciation of real estate assets	2014-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2014-12-31	$0
Total unrealized appreciation/depreciation of assets	2014-12-31	$0
Total transfer of assets to this plan	2014-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$0
Expenses. Interest paid	2014-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2014-12-31	$0
Total income from all sources (including contributions)	2014-12-31	$17,228,980
Total loss/gain on sale of assets	2014-12-31	$0
Total of all expenses incurred	2014-12-31	$6,724,111
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2014-12-31	$6,689,870
Expenses. Certain deemed distributions of participant loans	2014-12-31	$12,188
Value of total corrective distributions	2014-12-31	$1,280
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2014-12-31	$9,457,429
Value of total assets at end of year	2014-12-31	$125,778,006
Value of total assets at beginning of year	2014-12-31	$115,273,137
Total of administrative expenses incurred including professional, contract, advisory and management fees	2014-12-31	$20,773
Total income from rents	2014-12-31	$0
Total interest from all sources	2014-12-31	$126,069
Total dividends received (eg from common stock, registered investment company shares)	2014-12-31	$4,949,115
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2014-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2014-12-31	$4,949,115
Assets. Real estate other than employer real property at end of year	2014-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2014-12-31	$0
Administrative expenses professional fees incurred	2014-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2014-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2014-12-31	$0
Was this plan covered by a fidelity bond	2014-12-31	Yes
Value of fidelity bond cover	2014-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2014-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2014-12-31	No
Contributions received from participants	2014-12-31	$5,855,922
Participant contributions at end of year	2014-12-31	$3,168,896
Participant contributions at beginning of year	2014-12-31	$2,850,100
Participant contributions at end of year	2014-12-31	$22,225
Participant contributions at beginning of year	2014-12-31	$119,970
Assets. Other investments not covered elsewhere at end of year	2014-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2014-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2014-12-31	$529,087
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2014-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2014-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2014-12-31	$0
Assets. Loans (other than to participants) at end of year	2014-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2014-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2014-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2014-12-31	$0
Other income not declared elsewhere	2014-12-31	$0
Administrative expenses (other) incurred	2014-12-31	$15,612
Liabilities. Value of operating payables at end of year	2014-12-31	$0
Liabilities. Value of operating payables at beginning of year	2014-12-31	$0
Total non interest bearing cash at end of year	2014-12-31	$0
Total non interest bearing cash at beginning of year	2014-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Income. Non cash contributions	2014-12-31	$0
Value of net income/loss	2014-12-31	$10,504,869
Value of net assets at end of year (total assets less liabilities)	2014-12-31	$125,778,006
Value of net assets at beginning of year (total assets less liabilities)	2014-12-31	$115,273,137
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2014-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2014-12-31	No
Were any leases to which the plan was party in default or uncollectible	2014-12-31	No
Assets. partnership/joint venture interests at end of year	2014-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2014-12-31	$0
Investment advisory and management fees	2014-12-31	$5,161
Value of interest in registered invesment companies (eg mutual funds) at end of year	2014-12-31	$101,538,205
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2014-12-31	$90,011,619
Value of interest in pooled separate accounts at end of year	2014-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2014-12-31	$0
Interest on participant loans	2014-12-31	$126,069
Income. Interest from loans (other than to participants)	2014-12-31	$0
Interest earned on other investments	2014-12-31	$0
Income. Interest from US Government securities	2014-12-31	$0
Income. Interest from corporate debt instruments	2014-12-31	$0
Value of interest in master investment trust accounts at end of year	2014-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2014-12-31	$0
Value of interest in common/collective trusts at end of year	2014-12-31	$18,131,256
Value of interest in common/collective trusts at beginning of year	2014-12-31	$19,503,667
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2014-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2014-12-31	$155
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2014-12-31	$155
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2014-12-31	$0
Assets. Value of investments in 103.12 investment entities at end of year	2014-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2014-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2014-12-31	$0
Asset value of US Government securities at end of year	2014-12-31	$0
Asset value of US Government securities at beginning of year	2014-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2014-12-31	$2,543,067
Net investment gain/loss from pooled separate accounts	2014-12-31	$0
Net investment gain or loss from common/collective trusts	2014-12-31	$153,300
Net gain/loss from 103.12 investment entities	2014-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2014-12-31	No
Was there a failure to transmit to the plan any participant contributions	2014-12-31	Yes
Has the plan failed to provide any benefit when due under the plan	2014-12-31	No
Assets. Invements in employer securities at end of year	2014-12-31	$0
Assets. Invements in employer securities at beginning of year	2014-12-31	$0
Assets. Value of employer real property at end of year	2014-12-31	$0
Assets. Value of employer real property at beginning of year	2014-12-31	$0
Contributions received in cash from employer	2014-12-31	$3,072,420
Employer contributions (assets) at end of year	2014-12-31	$2,917,424
Employer contributions (assets) at beginning of year	2014-12-31	$2,787,626
Income. Dividends from preferred stock	2014-12-31	$0
Income. Dividends from common stock	2014-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2014-12-31	$6,689,870
Asset. Corporate debt instrument preferred debt at end of year	2014-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2014-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2014-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2014-12-31	$0
Contract administrator fees	2014-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2014-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2014-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2014-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2014-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2014-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2014-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2014-12-31	$0
Did the plan have assets held for investment	2014-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2014-12-31	No
Aggregate proceeds on sale of assets	2014-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2014-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2014-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2014-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2014-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2014-12-31	Disclaimer
Accountancy firm name	2014-12-31	WHITLEY PENN LLP
Accountancy firm EIN	2014-12-31	752393478
2013 : SIX FLAGS 401(K) PLAN 2013 401k financial data
Unrealized appreciation/depreciation of real estate assets	2013-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2013-12-31	$0
Total unrealized appreciation/depreciation of assets	2013-12-31	$0
Total transfer of assets to this plan	2013-12-31	$212,909
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$0
Expenses. Interest paid	2013-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2013-12-31	$0
Total income from all sources (including contributions)	2013-12-31	$26,595,702
Total loss/gain on sale of assets	2013-12-31	$0
Total of all expenses incurred	2013-12-31	$9,970,901
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2013-12-31	$9,925,050
Expenses. Certain deemed distributions of participant loans	2013-12-31	$0
Value of total corrective distributions	2013-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2013-12-31	$8,382,948
Value of total assets at end of year	2013-12-31	$115,273,137
Value of total assets at beginning of year	2013-12-31	$98,435,427
Total of administrative expenses incurred including professional, contract, advisory and management fees	2013-12-31	$45,851
Total income from rents	2013-12-31	$0
Total interest from all sources	2013-12-31	$351,673
Total dividends received (eg from common stock, registered investment company shares)	2013-12-31	$2,919,972
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2013-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2013-12-31	$2,919,972
Assets. Real estate other than employer real property at end of year	2013-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2013-12-31	$0
Administrative expenses professional fees incurred	2013-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2013-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2013-12-31	$0
Was this plan covered by a fidelity bond	2013-12-31	Yes
Value of fidelity bond cover	2013-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2013-12-31	Yes
Were there any nonexempt tranactions with any party-in-interest	2013-12-31	No
Contributions received from participants	2013-12-31	$5,514,046
Participant contributions at end of year	2013-12-31	$2,850,100
Participant contributions at beginning of year	2013-12-31	$2,964,245
Participant contributions at end of year	2013-12-31	$119,970
Participant contributions at beginning of year	2013-12-31	$148,042
Assets. Other investments not covered elsewhere at end of year	2013-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2013-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2013-12-31	$72,185
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2013-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2013-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2013-12-31	$9,193
Assets. Loans (other than to participants) at end of year	2013-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2013-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2013-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2013-12-31	$0
Other income not declared elsewhere	2013-12-31	$0
Administrative expenses (other) incurred	2013-12-31	$45,851
Liabilities. Value of operating payables at end of year	2013-12-31	$0
Liabilities. Value of operating payables at beginning of year	2013-12-31	$0
Total non interest bearing cash at end of year	2013-12-31	$0
Total non interest bearing cash at beginning of year	2013-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Income. Non cash contributions	2013-12-31	$0
Value of net income/loss	2013-12-31	$16,624,801
Value of net assets at end of year (total assets less liabilities)	2013-12-31	$115,273,137
Value of net assets at beginning of year (total assets less liabilities)	2013-12-31	$98,435,427
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2013-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2013-12-31	No
Were any leases to which the plan was party in default or uncollectible	2013-12-31	No
Assets. partnership/joint venture interests at end of year	2013-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2013-12-31	$0
Investment advisory and management fees	2013-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2013-12-31	$90,011,619
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2013-12-31	$62,154,716
Value of interest in pooled separate accounts at end of year	2013-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2013-12-31	$0
Interest on participant loans	2013-12-31	$105,731
Income. Interest from loans (other than to participants)	2013-12-31	$0
Interest earned on other investments	2013-12-31	$0
Income. Interest from US Government securities	2013-12-31	$0
Income. Interest from corporate debt instruments	2013-12-31	$0
Value of interest in master investment trust accounts at end of year	2013-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2013-12-31	$0
Value of interest in common/collective trusts at end of year	2013-12-31	$19,503,667
Value of interest in common/collective trusts at beginning of year	2013-12-31	$9,387,712
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2013-12-31	$155
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2013-12-31	$21,210,743
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2013-12-31	$21,210,743
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2013-12-31	$245,942
Assets. Value of investments in 103.12 investment entities at end of year	2013-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2013-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2013-12-31	$0
Asset value of US Government securities at end of year	2013-12-31	$0
Asset value of US Government securities at beginning of year	2013-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2013-12-31	$12,938,931
Net investment gain/loss from pooled separate accounts	2013-12-31	$0
Net investment gain or loss from common/collective trusts	2013-12-31	$2,002,178
Net gain/loss from 103.12 investment entities	2013-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2013-12-31	No
Was there a failure to transmit to the plan any participant contributions	2013-12-31	No
Has the plan failed to provide any benefit when due under the plan	2013-12-31	No
Assets. Invements in employer securities at end of year	2013-12-31	$0
Assets. Invements in employer securities at beginning of year	2013-12-31	$0
Assets. Value of employer real property at end of year	2013-12-31	$0
Assets. Value of employer real property at beginning of year	2013-12-31	$0
Contributions received in cash from employer	2013-12-31	$2,796,717
Employer contributions (assets) at end of year	2013-12-31	$2,787,626
Employer contributions (assets) at beginning of year	2013-12-31	$2,560,776
Income. Dividends from preferred stock	2013-12-31	$0
Income. Dividends from common stock	2013-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2013-12-31	$9,925,050
Asset. Corporate debt instrument preferred debt at end of year	2013-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2013-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2013-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2013-12-31	$0
Contract administrator fees	2013-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2013-12-31	Yes
Assets. Corporate common stocks other than exployer securities at end of year	2013-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2013-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2013-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2013-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2013-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2013-12-31	$0
Did the plan have assets held for investment	2013-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2013-12-31	No
Aggregate proceeds on sale of assets	2013-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2013-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2013-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2013-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2013-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2013-12-31	Disclaimer
Accountancy firm name	2013-12-31	WHITLEY PENN LLP
Accountancy firm EIN	2013-12-31	752393478
2012 : SIX FLAGS 401(K) PLAN 2012 401k financial data
Total unrealized appreciation/depreciation of assets	2012-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$0
Total income from all sources (including contributions)	2012-12-31	$16,754,888
Total loss/gain on sale of assets	2012-12-31	$0
Total of all expenses incurred	2012-12-31	$7,338,710
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2012-12-31	$6,938,956
Value of total corrective distributions	2012-12-31	$357,343
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2012-12-31	$7,543,954
Value of total assets at end of year	2012-12-31	$98,435,427
Value of total assets at beginning of year	2012-12-31	$89,019,249
Total of administrative expenses incurred including professional, contract, advisory and management fees	2012-12-31	$42,411
Total interest from all sources	2012-12-31	$146,439
Total dividends received (eg from common stock, registered investment company shares)	2012-12-31	$2,077,790
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2012-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2012-12-31	$2,077,790
Was this plan covered by a fidelity bond	2012-12-31	Yes
Value of fidelity bond cover	2012-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2012-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2012-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2012-12-31	No
Contributions received from participants	2012-12-31	$4,920,012
Participant contributions at end of year	2012-12-31	$2,964,245
Participant contributions at beginning of year	2012-12-31	$2,903,818
Participant contributions at end of year	2012-12-31	$148,042
Participant contributions at beginning of year	2012-12-31	$96,891
Income. Received or receivable in cash from other sources (including rollovers)	2012-12-31	$48,083
Value of other receiveables (less allowance for doubtful accounts) at end of year	2012-12-31	$9,193
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2012-12-31	$20,957
Administrative expenses (other) incurred	2012-12-31	$42,411
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Value of net income/loss	2012-12-31	$9,416,178
Value of net assets at end of year (total assets less liabilities)	2012-12-31	$98,435,427
Value of net assets at beginning of year (total assets less liabilities)	2012-12-31	$89,019,249
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2012-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2012-12-31	No
Were any leases to which the plan was party in default or uncollectible	2012-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2012-12-31	$62,154,716
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2012-12-31	$53,494,047
Interest on participant loans	2012-12-31	$119,695
Value of interest in common/collective trusts at end of year	2012-12-31	$9,387,712
Value of interest in common/collective trusts at beginning of year	2012-12-31	$30,983,256
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2012-12-31	$21,210,743
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2012-12-31	$26,744
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2012-12-31	$5,913,469
Net investment gain or loss from common/collective trusts	2012-12-31	$1,073,236
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2012-12-31	No
Was there a failure to transmit to the plan any participant contributions	2012-12-31	No
Has the plan failed to provide any benefit when due under the plan	2012-12-31	No
Contributions received in cash from employer	2012-12-31	$2,575,859
Employer contributions (assets) at end of year	2012-12-31	$2,560,776
Employer contributions (assets) at beginning of year	2012-12-31	$1,520,280
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2012-12-31	$6,938,956
Did the plan have assets held for investment	2012-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2012-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2012-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2012-12-31	Disclaimer
Accountancy firm name	2012-12-31	WHITLEY PENN LLP
Accountancy firm EIN	2012-12-31	752393478
2011 : SIX FLAGS 401(K) PLAN 2011 401k financial data
Total unrealized appreciation/depreciation of assets	2011-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2011-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2011-12-31	$0
Total income from all sources (including contributions)	2011-12-31	$6,207,607
Total loss/gain on sale of assets	2011-12-31	$0
Total of all expenses incurred	2011-12-31	$6,747,685
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2011-12-31	$6,514,238
Expenses. Certain deemed distributions of participant loans	2011-12-31	$2,390
Value of total corrective distributions	2011-12-31	$176,795
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2011-12-31	$5,939,152
Value of total assets at end of year	2011-12-31	$89,019,249
Value of total assets at beginning of year	2011-12-31	$89,559,327
Total of administrative expenses incurred including professional, contract, advisory and management fees	2011-12-31	$54,262
Total interest from all sources	2011-12-31	$126,687
Total dividends received (eg from common stock, registered investment company shares)	2011-12-31	$1,583,198
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2011-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2011-12-31	$1,583,198
Administrative expenses professional fees incurred	2011-12-31	$10,775
Was this plan covered by a fidelity bond	2011-12-31	Yes
Value of fidelity bond cover	2011-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2011-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2011-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2011-12-31	No
Contributions received from participants	2011-12-31	$4,304,578
Participant contributions at end of year	2011-12-31	$2,903,818
Participant contributions at beginning of year	2011-12-31	$2,820,716
Participant contributions at end of year	2011-12-31	$96,891
Participant contributions at beginning of year	2011-12-31	$144,719
Income. Received or receivable in cash from other sources (including rollovers)	2011-12-31	$96,747
Value of other receiveables (less allowance for doubtful accounts) at end of year	2011-12-31	$20,957
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2011-12-31	$34,683
Administrative expenses (other) incurred	2011-12-31	$43,487
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2011-12-31	No
Value of net income/loss	2011-12-31	$-540,078
Value of net assets at end of year (total assets less liabilities)	2011-12-31	$89,019,249
Value of net assets at beginning of year (total assets less liabilities)	2011-12-31	$89,559,327
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2011-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2011-12-31	No
Were any leases to which the plan was party in default or uncollectible	2011-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2011-12-31	$53,494,047
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2011-12-31	$54,332,198
Interest on participant loans	2011-12-31	$126,687
Value of interest in common/collective trusts at end of year	2011-12-31	$30,983,256
Value of interest in common/collective trusts at beginning of year	2011-12-31	$30,709,959
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2011-12-31	$-1,706,479
Net investment gain or loss from common/collective trusts	2011-12-31	$265,049
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2011-12-31	No
Was there a failure to transmit to the plan any participant contributions	2011-12-31	No
Has the plan failed to provide any benefit when due under the plan	2011-12-31	No
Contributions received in cash from employer	2011-12-31	$1,537,827
Employer contributions (assets) at end of year	2011-12-31	$1,520,280
Employer contributions (assets) at beginning of year	2011-12-31	$1,517,052
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2011-12-31	$6,514,238
Did the plan have assets held for investment	2011-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2011-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2011-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2011-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2011-12-31	Disclaimer
Accountancy firm name	2011-12-31	WHITLEY PENN LLP
Accountancy firm EIN	2011-12-31	752393478
2010 : SIX FLAGS 401(K) PLAN 2010 401k financial data
Total unrealized appreciation/depreciation of assets	2010-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2010-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2010-12-31	$0
Total income from all sources (including contributions)	2010-12-31	$13,650,012
Total loss/gain on sale of assets	2010-12-31	$0
Total of all expenses incurred	2010-12-31	$9,963,084
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2010-12-31	$9,878,073
Value of total corrective distributions	2010-12-31	$10,817
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2010-12-31	$5,959,861
Value of total assets at end of year	2010-12-31	$89,559,327
Value of total assets at beginning of year	2010-12-31	$85,872,399
Total of administrative expenses incurred including professional, contract, advisory and management fees	2010-12-31	$74,194
Total interest from all sources	2010-12-31	$154,019
Total dividends received (eg from common stock, registered investment company shares)	2010-12-31	$1,133,458
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2010-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2010-12-31	$1,133,458
Was this plan covered by a fidelity bond	2010-12-31	Yes
Value of fidelity bond cover	2010-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2010-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2010-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2010-12-31	No
Contributions received from participants	2010-12-31	$4,412,931
Participant contributions at end of year	2010-12-31	$2,820,716
Participant contributions at beginning of year	2010-12-31	$3,099,383
Participant contributions at end of year	2010-12-31	$144,719
Participant contributions at beginning of year	2010-12-31	$144,436
Income. Received or receivable in cash from other sources (including rollovers)	2010-12-31	$27,150
Value of other receiveables (less allowance for doubtful accounts) at end of year	2010-12-31	$34,683
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2010-12-31	$25,482
Administrative expenses (other) incurred	2010-12-31	$74,194
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2010-12-31	No
Value of net income/loss	2010-12-31	$3,686,928
Value of net assets at end of year (total assets less liabilities)	2010-12-31	$89,559,327
Value of net assets at beginning of year (total assets less liabilities)	2010-12-31	$85,872,399
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2010-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2010-12-31	No
Were any leases to which the plan was party in default or uncollectible	2010-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2010-12-31	$54,332,198
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2010-12-31	$51,277,754
Interest on participant loans	2010-12-31	$154,019
Value of interest in common/collective trusts at end of year	2010-12-31	$30,709,959
Value of interest in common/collective trusts at beginning of year	2010-12-31	$28,777,832
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2010-12-31	$4,545,033
Net investment gain or loss from common/collective trusts	2010-12-31	$1,857,641
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2010-12-31	No
Was there a failure to transmit to the plan any participant contributions	2010-12-31	Yes
Has the plan failed to provide any benefit when due under the plan	2010-12-31	No
Contributions received in cash from employer	2010-12-31	$1,519,780
Employer contributions (assets) at end of year	2010-12-31	$1,517,052
Employer contributions (assets) at beginning of year	2010-12-31	$2,547,512
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2010-12-31	$9,878,073
Did the plan have assets held for investment	2010-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2010-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2010-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2010-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2010-12-31	Disclaimer
Accountancy firm name	2010-12-31	WHITLEY PENN LLP
Accountancy firm EIN	2010-12-31	752393478
2009 : SIX FLAGS 401(K) PLAN 2009 401k financial data
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2009-12-31	$0

Form 5500 Responses for SIX FLAGS 401(K) PLAN

2022: SIX FLAGS 401(K) PLAN 2022 form 5500 responses
2022-01-01	Type of plan entity	Single employer plan
2022-01-01	This submission is the final filing	No
2022-01-01	Plan is a collectively bargained plan	Yes
2022-01-01	Plan funding arrangement – Trust	Yes
2022-01-01	Plan benefit arrangement - Trust	Yes
2021: SIX FLAGS 401(K) PLAN 2021 form 5500 responses
2021-01-01	Type of plan entity	Single employer plan
2021-01-01	Submission has been amended	Yes
2021-01-01	This submission is the final filing	No
2021-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2021-01-01	Plan is a collectively bargained plan	Yes
2021-01-01	Plan funding arrangement – Trust	Yes
2021-01-01	Plan benefit arrangement - Trust	Yes
2020: SIX FLAGS 401(K) PLAN 2020 form 5500 responses
2020-01-01	Type of plan entity	Single employer plan
2020-01-01	Submission has been amended	Yes
2020-01-01	This submission is the final filing	No
2020-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2020-01-01	Plan is a collectively bargained plan	Yes
2020-01-01	Plan funding arrangement – Trust	Yes
2020-01-01	Plan benefit arrangement - Trust	Yes
2019: SIX FLAGS 401(K) PLAN 2019 form 5500 responses
2019-01-01	Type of plan entity	Single employer plan
2019-01-01	Submission has been amended	No
2019-01-01	This submission is the final filing	No
2019-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2019-01-01	Plan is a collectively bargained plan	Yes
2019-01-01	Plan funding arrangement – Trust	Yes
2019-01-01	Plan benefit arrangement - Trust	Yes
2018: SIX FLAGS 401(K) PLAN 2018 form 5500 responses
2018-01-01	Type of plan entity	Single employer plan
2018-01-01	Submission has been amended	No
2018-01-01	This submission is the final filing	No
2018-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2018-01-01	Plan is a collectively bargained plan	No
2018-01-01	Plan funding arrangement – Trust	Yes
2018-01-01	Plan benefit arrangement - Trust	Yes
2017: SIX FLAGS 401(K) PLAN 2017 form 5500 responses
2017-01-01	Type of plan entity	Single employer plan
2017-01-01	Submission has been amended	No
2017-01-01	This submission is the final filing	No
2017-01-01	Plan is a collectively bargained plan	No
2017-01-01	Plan funding arrangement – Trust	Yes
2017-01-01	Plan benefit arrangement - Trust	Yes
2016: SIX FLAGS 401(K) PLAN 2016 form 5500 responses
2016-01-01	Type of plan entity	Single employer plan
2016-01-01	Submission has been amended	No
2016-01-01	This submission is the final filing	No
2016-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2016-01-01	Plan is a collectively bargained plan	No
2016-01-01	Plan funding arrangement – Trust	Yes
2016-01-01	Plan benefit arrangement - Trust	Yes
2015: SIX FLAGS 401(K) PLAN 2015 form 5500 responses
2015-01-01	Type of plan entity	Single employer plan
2015-01-01	Submission has been amended	No
2015-01-01	This submission is the final filing	No
2015-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2015-01-01	Plan is a collectively bargained plan	No
2015-01-01	Plan funding arrangement – Trust	Yes
2015-01-01	Plan benefit arrangement - Trust	Yes
2014: SIX FLAGS 401(K) PLAN 2014 form 5500 responses
2014-01-01	Type of plan entity	Single employer plan
2014-01-01	Submission has been amended	No
2014-01-01	This submission is the final filing	No
2014-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2014-01-01	Plan is a collectively bargained plan	No
2014-01-01	Plan funding arrangement – Trust	Yes
2014-01-01	Plan benefit arrangement - Trust	Yes
2013: SIX FLAGS 401(K) PLAN 2013 form 5500 responses
2013-01-01	Type of plan entity	Single employer plan
2013-01-01	Submission has been amended	Yes
2013-01-01	This submission is the final filing	No
2013-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2013-01-01	Plan is a collectively bargained plan	No
2013-01-01	Plan funding arrangement – Trust	Yes
2013-01-01	Plan benefit arrangement - Trust	Yes
2012: SIX FLAGS 401(K) PLAN 2012 form 5500 responses
2012-01-01	Type of plan entity	Single employer plan
2012-01-01	Submission has been amended	No
2012-01-01	This submission is the final filing	No
2012-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2012-01-01	Plan is a collectively bargained plan	No
2012-01-01	Plan funding arrangement – Trust	Yes
2012-01-01	Plan benefit arrangement - Trust	Yes
2011: SIX FLAGS 401(K) PLAN 2011 form 5500 responses
2011-01-01	Type of plan entity	Single employer plan
2011-01-01	Submission has been amended	No
2011-01-01	This submission is the final filing	No
2011-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2011-01-01	Plan is a collectively bargained plan	No
2011-01-01	Plan funding arrangement – Trust	Yes
2011-01-01	Plan benefit arrangement - Trust	Yes
2010: SIX FLAGS 401(K) PLAN 2010 form 5500 responses
2010-01-01	Type of plan entity	Single employer plan
2010-01-01	Submission has been amended	No
2010-01-01	This submission is the final filing	No
2010-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2010-01-01	Plan is a collectively bargained plan	No
2010-01-01	Plan funding arrangement – Trust	Yes
2010-01-01	Plan benefit arrangement - Trust	Yes
2009: SIX FLAGS 401(K) PLAN 2009 form 5500 responses
2009-01-01	Type of plan entity	Single employer plan
2009-01-01	Submission has been amended	No
2009-01-01	This submission is the final filing	No
2009-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2009-01-01	Plan is a collectively bargained plan	No
2009-01-01	Plan funding arrangement – Trust	Yes
2009-01-01	Plan benefit arrangement - Trust	Yes

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SIX FLAGS GREAT ESCAPE LODGE & INDOOR WATER PARK 401(K) PLAN [EIN = 200277879]

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Company Name:	SIX FLAGS ENTERTAINMENT CORPORATION
Employer identification number (EIN):	133995059
NAIC Classification:	713100
NAIC Description:	Amusement Parks and Arcades

Jurisdiction of Incorporation:	Texas Secretary of State
Incorporation Date:	2010-03-04
Company Identification Number:	0801239080
Legal Registered Office Address:	1000 BALLPARK WAY STE 400 ARLINGTON United States of America (USA) 76011