401k Plan data: DEXCOM, INC. 401(K) PLAN plan

DEXCOM, INC. 401(K) PLAN 401k Plan overview

Plan Name	DEXCOM, INC. 401(K) PLAN
Plan identification number	001

DEXCOM, INC. 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.
Plan provides for automatic enrollment in plan that has employee contributions deducted from payroll.
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

DEXCOM INC has sponsored the creation of one or more 401k plans.

Company Name: DEXCOM INC

Employer identification number (EIN): 330857544

NAIC Classification: 339110

Additional information about DEXCOM INC

Jurisdiction of Incorporation: State of Delaware Division of Corporations

Incorporation Date:

Company Identification Number: 3030192

More information about DEXCOM INC

Form 5500 Filing Information

Submission information for form 5500 for 401k plan DEXCOM, INC. 401(K) PLAN

Plan id# Filing Submission Date Name of Administrator Date Administrator Signed Name of Company Sponsor Date Sponsor Signed
001 2022-01-01
001 2021-01-01
001 2020-01-01
001 2020-01-01
001 2019-01-01
001 2018-01-01
001 2017-01-01 JEREME SYLVAIN JEREME SYLVAIN 2018-10-04
001 2016-01-01 THOMAS MEAD
001 2015-01-01 THOMAS MEAD
001 2014-01-01 BLOSSOM O'BRIEN
001 2014-01-01 BLOSSOM O'BRIEN
001 2014-01-01 BLOSSOM O'BRIEN THOMAS MEAD 2015-09-17
001 2013-01-01 BLOSSOM O'BRIEN THOMAS MEAD 2014-10-02
001 2012-01-01 BLOSSOM VICTORIO OBRIEN ELIZABETH ANDRAE 2013-10-11
001 2011-01-01 CATHY ALFARO ELIZABETH ANDRAE 2012-10-15
001 2009-01-01 CATHY ALFARO ELIZABETH ANDRAE 2010-10-14

Plan id#	Filing Submission Date	Name of Administrator	Name of Company Sponsor	Date Sponsor Signed
001	2022-01-01
001	2021-01-01
001	2020-01-01
001	2020-01-01
001	2019-01-01
001	2018-01-01
001	2017-01-01	JEREME SYLVAIN	JEREME SYLVAIN	2018-10-04
001	2016-01-01	THOMAS MEAD
001	2015-01-01	THOMAS MEAD
001	2014-01-01	BLOSSOM O'BRIEN
001	2014-01-01	BLOSSOM O'BRIEN
001	2014-01-01	BLOSSOM O'BRIEN	THOMAS MEAD	2015-09-17
001	2013-01-01	BLOSSOM O'BRIEN	THOMAS MEAD	2014-10-02
001	2012-01-01	BLOSSOM VICTORIO OBRIEN	ELIZABETH ANDRAE	2013-10-11
001	2011-01-01	CATHY ALFARO	ELIZABETH ANDRAE	2012-10-15
001	2009-01-01	CATHY ALFARO	ELIZABETH ANDRAE	2010-10-14

Plan Statistics for DEXCOM, INC. 401(K) PLAN

401k plan membership statisitcs for DEXCOM, INC. 401(K) PLAN

Measure Date Value
2022: DEXCOM, INC. 401(K) PLAN 2022 401k membership
Total participants, beginning-of-year 2022-01-01 5,430
Total number of active participants reported on line 7a of the Form 5500 2022-01-01 5,230
Number of retired or separated participants receiving benefits 2022-01-01 1
Number of other retired or separated participants entitled to future benefits 2022-01-01 1,086
Total of all active and inactive participants 2022-01-01 6,317
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2022-01-01 3
Total participants 2022-01-01 6,320
Number of participants with account balances 2022-01-01 5,952
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2022-01-01 420
2021: DEXCOM, INC. 401(K) PLAN 2021 401k membership
Total participants, beginning-of-year 2021-01-01 4,697
Total number of active participants reported on line 7a of the Form 5500 2021-01-01 4,562
Number of retired or separated participants receiving benefits 2021-01-01 1
Number of other retired or separated participants entitled to future benefits 2021-01-01 865
Total of all active and inactive participants 2021-01-01 5,428
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2021-01-01 2
Total participants 2021-01-01 5,430
Number of participants with account balances 2021-01-01 5,152
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2021-01-01 503
2020: DEXCOM, INC. 401(K) PLAN 2020 401k membership
Total participants, beginning-of-year 2020-01-01 3,439
Total number of active participants reported on line 7a of the Form 5500 2020-01-01 4,179
Number of retired or separated participants receiving benefits 2020-01-01 1
Number of other retired or separated participants entitled to future benefits 2020-01-01 514
Total of all active and inactive participants 2020-01-01 4,694
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2020-01-01 3
Total participants 2020-01-01 4,697
Number of participants with account balances 2020-01-01 4,447
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2020-01-01 236
2019: DEXCOM, INC. 401(K) PLAN 2019 401k membership
Total participants, beginning-of-year 2019-01-01 3,003
Total number of active participants reported on line 7a of the Form 5500 2019-01-01 2,914
Number of retired or separated participants receiving benefits 2019-01-01 1
Number of other retired or separated participants entitled to future benefits 2019-01-01 521
Total of all active and inactive participants 2019-01-01 3,436
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2019-01-01 3
Total participants 2019-01-01 3,439
Number of participants with account balances 2019-01-01 3,220
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2019-01-01 332
2018: DEXCOM, INC. 401(K) PLAN 2018 401k membership
Total participants, beginning-of-year 2018-01-01 2,391
Total number of active participants reported on line 7a of the Form 5500 2018-01-01 2,669
Number of retired or separated participants receiving benefits 2018-01-01 0
Number of other retired or separated participants entitled to future benefits 2018-01-01 331
Total of all active and inactive participants 2018-01-01 3,000
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2018-01-01 3
Total participants 2018-01-01 3,003
Number of participants with account balances 2018-01-01 2,663
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2018-01-01 137
2017: DEXCOM, INC. 401(K) PLAN 2017 401k membership
Total participants, beginning-of-year 2017-01-01 1,971
Total number of active participants reported on line 7a of the Form 5500 2017-01-01 2,163
Number of retired or separated participants receiving benefits 2017-01-01 0
Number of other retired or separated participants entitled to future benefits 2017-01-01 225
Total of all active and inactive participants 2017-01-01 2,388
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2017-01-01 3
Total participants 2017-01-01 2,391
Number of participants with account balances 2017-01-01 2,204
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2017-01-01 0
2016: DEXCOM, INC. 401(K) PLAN 2016 401k membership
Total participants, beginning-of-year 2016-01-01 1,341
Total number of active participants reported on line 7a of the Form 5500 2016-01-01 1,798
Number of retired or separated participants receiving benefits 2016-01-01 0
Number of other retired or separated participants entitled to future benefits 2016-01-01 172
Total of all active and inactive participants 2016-01-01 1,970
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2016-01-01 1
Total participants 2016-01-01 1,971
Number of participants with account balances 2016-01-01 1,811
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2016-01-01 0
2015: DEXCOM, INC. 401(K) PLAN 2015 401k membership
Total participants, beginning-of-year 2015-01-01 898
Total number of active participants reported on line 7a of the Form 5500 2015-01-01 1,199
Number of retired or separated participants receiving benefits 2015-01-01 0
Number of other retired or separated participants entitled to future benefits 2015-01-01 142
Total of all active and inactive participants 2015-01-01 1,341
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2015-01-01 0
Total participants 2015-01-01 1,341
Number of participants with account balances 2015-01-01 1,198
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2015-01-01 0
2014: DEXCOM, INC. 401(K) PLAN 2014 401k membership
Total participants, beginning-of-year 2014-01-01 688
Total number of active participants reported on line 7a of the Form 5500 2014-01-01 797
Number of retired or separated participants receiving benefits 2014-01-01 0
Number of other retired or separated participants entitled to future benefits 2014-01-01 101
Total of all active and inactive participants 2014-01-01 898
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2014-01-01 0
Total participants 2014-01-01 898
Number of participants with account balances 2014-01-01 765
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2014-01-01 0
2013: DEXCOM, INC. 401(K) PLAN 2013 401k membership
Total participants, beginning-of-year 2013-01-01 640
Total number of active participants reported on line 7a of the Form 5500 2013-01-01 614
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 74
Total of all active and inactive participants 2013-01-01 688
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2013-01-01 0
Total participants 2013-01-01 688
Number of participants with account balances 2013-01-01 578
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2013-01-01 0
2012: DEXCOM, INC. 401(K) PLAN 2012 401k membership
Total participants, beginning-of-year 2012-01-01 564
Total number of active participants reported on line 7a of the Form 5500 2012-01-01 579
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 61
Total of all active and inactive participants 2012-01-01 640
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2012-01-01 0
Total participants 2012-01-01 640
Number of participants with account balances 2012-01-01 518
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2012-01-01 0
2011: DEXCOM, INC. 401(K) PLAN 2011 401k membership
Total participants, beginning-of-year 2011-01-01 453
Total number of active participants reported on line 7a of the Form 5500 2011-01-01 515
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 49
Total of all active and inactive participants 2011-01-01 564
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2011-01-01 0
Total participants 2011-01-01 564
Number of participants with account balances 2011-01-01 442
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2011-01-01 0
2009: DEXCOM, INC. 401(K) PLAN 2009 401k membership
Total participants, beginning-of-year 2009-01-01 328
Total number of active participants reported on line 7a of the Form 5500 2009-01-01 313
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 69
Total of all active and inactive participants 2009-01-01 382
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2009-01-01 0
Total participants 2009-01-01 382
Number of participants with account balances 2009-01-01 260
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2009-01-01 0

Measure	Date	Value
2022: DEXCOM, INC. 401(K) PLAN 2022 401k membership
Total participants, beginning-of-year	2022-01-01	5,430
Total number of active participants reported on line 7a of the Form 5500	2022-01-01	5,230
Number of retired or separated participants receiving benefits	2022-01-01	1
Number of other retired or separated participants entitled to future benefits	2022-01-01	1,086
Total of all active and inactive participants	2022-01-01	6,317
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2022-01-01	3
Total participants	2022-01-01	6,320
Number of participants with account balances	2022-01-01	5,952
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2022-01-01	420
2021: DEXCOM, INC. 401(K) PLAN 2021 401k membership
Total participants, beginning-of-year	2021-01-01	4,697
Total number of active participants reported on line 7a of the Form 5500	2021-01-01	4,562
Number of retired or separated participants receiving benefits	2021-01-01	1
Number of other retired or separated participants entitled to future benefits	2021-01-01	865
Total of all active and inactive participants	2021-01-01	5,428
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2021-01-01	2
Total participants	2021-01-01	5,430
Number of participants with account balances	2021-01-01	5,152
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2021-01-01	503
2020: DEXCOM, INC. 401(K) PLAN 2020 401k membership
Total participants, beginning-of-year	2020-01-01	3,439
Total number of active participants reported on line 7a of the Form 5500	2020-01-01	4,179
Number of retired or separated participants receiving benefits	2020-01-01	1
Number of other retired or separated participants entitled to future benefits	2020-01-01	514
Total of all active and inactive participants	2020-01-01	4,694
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2020-01-01	3
Total participants	2020-01-01	4,697
Number of participants with account balances	2020-01-01	4,447
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2020-01-01	236
2019: DEXCOM, INC. 401(K) PLAN 2019 401k membership
Total participants, beginning-of-year	2019-01-01	3,003
Total number of active participants reported on line 7a of the Form 5500	2019-01-01	2,914
Number of retired or separated participants receiving benefits	2019-01-01	1
Number of other retired or separated participants entitled to future benefits	2019-01-01	521
Total of all active and inactive participants	2019-01-01	3,436
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2019-01-01	3
Total participants	2019-01-01	3,439
Number of participants with account balances	2019-01-01	3,220
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2019-01-01	332
2018: DEXCOM, INC. 401(K) PLAN 2018 401k membership
Total participants, beginning-of-year	2018-01-01	2,391
Total number of active participants reported on line 7a of the Form 5500	2018-01-01	2,669
Number of retired or separated participants receiving benefits	2018-01-01	0
Number of other retired or separated participants entitled to future benefits	2018-01-01	331
Total of all active and inactive participants	2018-01-01	3,000
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2018-01-01	3
Total participants	2018-01-01	3,003
Number of participants with account balances	2018-01-01	2,663
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2018-01-01	137
2017: DEXCOM, INC. 401(K) PLAN 2017 401k membership
Total participants, beginning-of-year	2017-01-01	1,971
Total number of active participants reported on line 7a of the Form 5500	2017-01-01	2,163
Number of retired or separated participants receiving benefits	2017-01-01	0
Number of other retired or separated participants entitled to future benefits	2017-01-01	225
Total of all active and inactive participants	2017-01-01	2,388
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2017-01-01	3
Total participants	2017-01-01	2,391
Number of participants with account balances	2017-01-01	2,204
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2017-01-01	0
2016: DEXCOM, INC. 401(K) PLAN 2016 401k membership
Total participants, beginning-of-year	2016-01-01	1,341
Total number of active participants reported on line 7a of the Form 5500	2016-01-01	1,798
Number of retired or separated participants receiving benefits	2016-01-01	0
Number of other retired or separated participants entitled to future benefits	2016-01-01	172
Total of all active and inactive participants	2016-01-01	1,970
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2016-01-01	1
Total participants	2016-01-01	1,971
Number of participants with account balances	2016-01-01	1,811
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2016-01-01	0
2015: DEXCOM, INC. 401(K) PLAN 2015 401k membership
Total participants, beginning-of-year	2015-01-01	898
Total number of active participants reported on line 7a of the Form 5500	2015-01-01	1,199
Number of retired or separated participants receiving benefits	2015-01-01	0
Number of other retired or separated participants entitled to future benefits	2015-01-01	142
Total of all active and inactive participants	2015-01-01	1,341
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2015-01-01	0
Total participants	2015-01-01	1,341
Number of participants with account balances	2015-01-01	1,198
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2015-01-01	0
2014: DEXCOM, INC. 401(K) PLAN 2014 401k membership
Total participants, beginning-of-year	2014-01-01	688
Total number of active participants reported on line 7a of the Form 5500	2014-01-01	797
Number of retired or separated participants receiving benefits	2014-01-01	0
Number of other retired or separated participants entitled to future benefits	2014-01-01	101
Total of all active and inactive participants	2014-01-01	898
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2014-01-01	0
Total participants	2014-01-01	898
Number of participants with account balances	2014-01-01	765
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2014-01-01	0
2013: DEXCOM, INC. 401(K) PLAN 2013 401k membership
Total participants, beginning-of-year	2013-01-01	640
Total number of active participants reported on line 7a of the Form 5500	2013-01-01	614
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	74
Total of all active and inactive participants	2013-01-01	688
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2013-01-01	0
Total participants	2013-01-01	688
Number of participants with account balances	2013-01-01	578
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2013-01-01	0
2012: DEXCOM, INC. 401(K) PLAN 2012 401k membership
Total participants, beginning-of-year	2012-01-01	564
Total number of active participants reported on line 7a of the Form 5500	2012-01-01	579
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	61
Total of all active and inactive participants	2012-01-01	640
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2012-01-01	0
Total participants	2012-01-01	640
Number of participants with account balances	2012-01-01	518
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2012-01-01	0
2011: DEXCOM, INC. 401(K) PLAN 2011 401k membership
Total participants, beginning-of-year	2011-01-01	453
Total number of active participants reported on line 7a of the Form 5500	2011-01-01	515
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	49
Total of all active and inactive participants	2011-01-01	564
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2011-01-01	0
Total participants	2011-01-01	564
Number of participants with account balances	2011-01-01	442
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2011-01-01	0
2009: DEXCOM, INC. 401(K) PLAN 2009 401k membership
Total participants, beginning-of-year	2009-01-01	328
Total number of active participants reported on line 7a of the Form 5500	2009-01-01	313
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	69
Total of all active and inactive participants	2009-01-01	382
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2009-01-01	0
Total participants	2009-01-01	382
Number of participants with account balances	2009-01-01	260
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2009-01-01	0

Financial Data on DEXCOM, INC. 401(K) PLAN

Measure	Date	Value
2022 : DEXCOM, INC. 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	$15,395,419
Total loss/gain on sale of assets	2022-12-31	$0
Total of all expenses incurred	2022-12-31	$18,312,101
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-12-31	$18,275,211
Expenses. Certain deemed distributions of participant loans	2022-12-31	$10,255
Value of total corrective distributions	2022-12-31	$26,635
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-12-31	$62,654,089
Value of total assets at end of year	2022-12-31	$234,579,025
Value of total assets at beginning of year	2022-12-31	$237,495,707
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-12-31	$0
Total income from rents	2022-12-31	$0
Total interest from all sources	2022-12-31	$231,284
Total dividends received (eg from common stock, registered investment company shares)	2022-12-31	$15,647,717
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	$15,647,717
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	$500,000
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	$40,770,259
Participant contributions at end of year	2022-12-31	$3,980,683
Participant contributions at beginning of year	2022-12-31	$2,507,927
Participant contributions at end of year	2022-12-31	$0
Participant contributions at beginning of year	2022-12-31	$0
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	$10,788,585
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	$36,364
Administrative expenses (other) incurred	2022-12-31	$0
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	$-2,916,682
Value of net assets at end of year (total assets less liabilities)	2022-12-31	$234,579,025
Value of net assets at beginning of year (total assets less liabilities)	2022-12-31	$237,495,707
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2022-12-31	$224,222,821
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2022-12-31	$230,018,219
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	$149,713
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	$0
Value of interest in common/collective trusts at beginning of year	2022-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2022-12-31	$6,375,521
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2022-12-31	$4,969,561
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2022-12-31	$4,969,561
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2022-12-31	$81,571
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	$-63,174,035
Net investment gain/loss from pooled separate accounts	2022-12-31	$0
Net investment gain or loss from common/collective trusts	2022-12-31	$0
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	No
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	$11,095,245
Employer contributions (assets) at end of year	2022-12-31	$0
Employer contributions (assets) at beginning of year	2022-12-31	$0
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	$18,275,211
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	LAVINE, LOFGREN, MORRIS & ENGELBERG
Accountancy firm EIN	2022-12-31	330690020
2021 : DEXCOM, INC. 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	$87,972,828
Total loss/gain on sale of assets	2021-12-31	$0
Total of all expenses incurred	2021-12-31	$16,169,812
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2021-12-31	$16,124,489
Expenses. Certain deemed distributions of participant loans	2021-12-31	$11,928
Value of total corrective distributions	2021-12-31	$33,395
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2021-12-31	$57,865,088
Value of total assets at end of year	2021-12-31	$237,495,707
Value of total assets at beginning of year	2021-12-31	$165,692,691
Total of administrative expenses incurred including professional, contract, advisory and management fees	2021-12-31	$0
Total income from rents	2021-12-31	$0
Total interest from all sources	2021-12-31	$98,579
Total dividends received (eg from common stock, registered investment company shares)	2021-12-31	$18,581,868
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	$18,581,868
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	$500,000
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	$34,856,915
Participant contributions at end of year	2021-12-31	$2,507,927
Participant contributions at beginning of year	2021-12-31	$1,572,479
Participant contributions at end of year	2021-12-31	$0
Participant contributions at beginning of year	2021-12-31	$0
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	$13,312,231
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	$25,395
Administrative expenses (other) incurred	2021-12-31	$0
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	$71,803,016
Value of net assets at end of year (total assets less liabilities)	2021-12-31	$237,495,707
Value of net assets at beginning of year (total assets less liabilities)	2021-12-31	$165,692,691
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2021-12-31	$230,018,219
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2021-12-31	$159,040,176
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	$97,154
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	$0
Value of interest in common/collective trusts at beginning of year	2021-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2021-12-31	$4,969,561
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2021-12-31	$5,080,036
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2021-12-31	$5,080,036
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2021-12-31	$1,425
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	$11,401,898
Net investment gain/loss from pooled separate accounts	2021-12-31	$0
Net investment gain or loss from common/collective trusts	2021-12-31	$0
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	No
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	$9,695,942
Employer contributions (assets) at end of year	2021-12-31	$0
Employer contributions (assets) at beginning of year	2021-12-31	$0
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	$16,124,489
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	LAVINE, LOFGREN, MORRIS & ENGELBERG
Accountancy firm EIN	2021-12-31	330690020
2020 : DEXCOM, INC. 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	$212,975
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	$65,950,385
Total loss/gain on sale of assets	2020-12-31	$0
Total of all expenses incurred	2020-12-31	$7,588,336
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2020-12-31	$7,566,513
Expenses. Certain deemed distributions of participant loans	2020-12-31	$0
Value of total corrective distributions	2020-12-31	$4,660
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2020-12-31	$39,171,543
Value of total assets at end of year	2020-12-31	$165,692,691
Value of total assets at beginning of year	2020-12-31	$107,543,617
Total of administrative expenses incurred including professional, contract, advisory and management fees	2020-12-31	$17,163
Total income from rents	2020-12-31	$0
Total interest from all sources	2020-12-31	$86,861
Total dividends received (eg from common stock, registered investment company shares)	2020-12-31	$7,326,215
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	$7,326,215
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	$500,000
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	$25,226,608
Participant contributions at end of year	2020-12-31	$1,572,479
Participant contributions at beginning of year	2020-12-31	$1,111,862
Participant contributions at end of year	2020-12-31	$0
Participant contributions at beginning of year	2020-12-31	$0
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	$7,282,974
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	$212,975
Other income not declared elsewhere	2020-12-31	$0
Administrative expenses (other) incurred	2020-12-31	$17,163
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	$58,362,049
Value of net assets at end of year (total assets less liabilities)	2020-12-31	$165,692,691
Value of net assets at beginning of year (total assets less liabilities)	2020-12-31	$107,330,642
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2020-12-31	$159,040,176
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2020-12-31	$102,956,238
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	$77,729
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	$0
Value of interest in common/collective trusts at beginning of year	2020-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2020-12-31	$5,080,036
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2020-12-31	$3,475,517
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2020-12-31	$3,475,517
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2020-12-31	$9,132
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	$19,365,766
Net investment gain/loss from pooled separate accounts	2020-12-31	$0
Net investment gain or loss from common/collective trusts	2020-12-31	$0
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	No
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	$6,661,961
Employer contributions (assets) at end of year	2020-12-31	$0
Employer contributions (assets) at beginning of year	2020-12-31	$0
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	$7,566,513
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	LAVINE, LOFGREN, MORRIS & ENGELBERG
Accountancy firm EIN	2020-12-31	330690020
2019 : DEXCOM, INC. 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	$212,975
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	$47,183,739
Total loss/gain on sale of assets	2019-12-31	$0
Total of all expenses incurred	2019-12-31	$7,092,085
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$6,876,803
Expenses. Certain deemed distributions of participant loans	2019-12-31	$2,307
Value of total corrective distributions	2019-12-31	$212,975
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$28,298,756
Value of total assets at end of year	2019-12-31	$107,543,617
Value of total assets at beginning of year	2019-12-31	$67,238,988
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$0
Total income from rents	2019-12-31	$0
Total interest from all sources	2019-12-31	$115,861
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$4,585,207
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	$4,585,207
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	$1,000,000
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	$19,359,327
Participant contributions at end of year	2019-12-31	$1,111,862
Participant contributions at beginning of year	2019-12-31	$939,873
Participant contributions at end of year	2019-12-31	$0
Participant contributions at beginning of year	2019-12-31	$0
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	$4,087,744
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	$212,975
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	$20,430
Administrative expenses (other) incurred	2019-12-31	$0
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	$40,091,654
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$107,330,642
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$67,238,988
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2019-12-31	$102,956,238
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$63,233,832
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	$59,237
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	$0
Value of interest in common/collective trusts at beginning of year	2019-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2019-12-31	$3,475,517
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2019-12-31	$3,065,283
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2019-12-31	$3,065,283
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2019-12-31	$56,624
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	$14,163,485
Net investment gain/loss from pooled separate accounts	2019-12-31	$0
Net investment gain or loss from common/collective trusts	2019-12-31	$0
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	No
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	$4,851,685
Employer contributions (assets) at end of year	2019-12-31	$0
Employer contributions (assets) at beginning of year	2019-12-31	$0
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	$6,876,803
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	LAVINE, LOFGREN, MORRIS & ENGELBERG
Accountancy firm EIN	2019-12-31	330690020
2018 : DEXCOM, INC. 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	$16,727,889
Total loss/gain on sale of assets	2018-12-31	$0
Total of all expenses incurred	2018-12-31	$5,802,301
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2018-12-31	$5,804,726
Expenses. Certain deemed distributions of participant loans	2018-12-31	$0
Value of total corrective distributions	2018-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2018-12-31	$21,190,551
Value of total assets at end of year	2018-12-31	$67,238,988
Value of total assets at beginning of year	2018-12-31	$56,313,400
Total of administrative expenses incurred including professional, contract, advisory and management fees	2018-12-31	$-2,425
Total income from rents	2018-12-31	$0
Total interest from all sources	2018-12-31	$80,449
Total dividends received (eg from common stock, registered investment company shares)	2018-12-31	$4,442,856
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	$4,442,856
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	$1,000,000
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	$14,271,997
Participant contributions at end of year	2018-12-31	$939,873
Participant contributions at beginning of year	2018-12-31	$729,662
Participant contributions at end of year	2018-12-31	$0
Participant contributions at beginning of year	2018-12-31	$0
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	$4,486,024
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	$-2,425
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	$10,925,588
Value of net assets at end of year (total assets less liabilities)	2018-12-31	$67,238,988
Value of net assets at beginning of year (total assets less liabilities)	2018-12-31	$56,313,400
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2018-12-31	$63,233,832
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2018-12-31	$53,445,349
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	$41,019
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	$0
Value of interest in common/collective trusts at beginning of year	2018-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2018-12-31	$3,065,283
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2018-12-31	$2,138,389
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2018-12-31	$2,138,389
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2018-12-31	$39,430
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	$-8,985,967
Net investment gain/loss from pooled separate accounts	2018-12-31	$0
Net investment gain or loss from common/collective trusts	2018-12-31	$0
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	No
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	$2,432,530
Employer contributions (assets) at end of year	2018-12-31	$0
Employer contributions (assets) at beginning of year	2018-12-31	$0
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	$5,804,726
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	LAVINE, LOFGREN, MORRIS & ENGELBERG
Accountancy firm EIN	2018-12-31	330690020
2017 : DEXCOM, INC. 401(K) PLAN 2017 401k financial data
Total unrealized appreciation/depreciation of assets	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
Total income from all sources (including contributions)	2017-12-31	$21,915,185
Total loss/gain on sale of assets	2017-12-31	$0
Total of all expenses incurred	2017-12-31	$3,693,887
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2017-12-31	$3,666,287
Expenses. Certain deemed distributions of participant loans	2017-12-31	$2,412
Value of total corrective distributions	2017-12-31	$879
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2017-12-31	$13,604,700
Value of total assets at end of year	2017-12-31	$56,313,400
Value of total assets at beginning of year	2017-12-31	$38,092,102
Total of administrative expenses incurred including professional, contract, advisory and management fees	2017-12-31	$24,309
Total interest from all sources	2017-12-31	$39,116
Total dividends received (eg from common stock, registered investment company shares)	2017-12-31	$2,167,708
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	$2,167,708
Was this plan covered by a fidelity bond	2017-12-31	Yes
Value of fidelity bond cover	2017-12-31	$1,000,000
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	$11,035,249
Participant contributions at end of year	2017-12-31	$729,662
Participant contributions at beginning of year	2017-12-31	$559,208
Participant contributions at end of year	2017-12-31	$0
Participant contributions at beginning of year	2017-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2017-12-31	$2,569,343
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
Administrative expenses (other) incurred	2017-12-31	$24,309
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	$18,221,298
Value of net assets at end of year (total assets less liabilities)	2017-12-31	$56,313,400
Value of net assets at beginning of year (total assets less liabilities)	2017-12-31	$38,092,102
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
Value of interest in registered invesment companies (eg mutual funds) at end of year	2017-12-31	$53,445,349
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2017-12-31	$35,854,384
Interest on participant loans	2017-12-31	$28,354
Income. Interest from US Government securities	2017-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2017-12-31	$2,138,389
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2017-12-31	$1,678,510
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2017-12-31	$1,678,510
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2017-12-31	$10,762
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	$6,103,661
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	No
Contributions received in cash from employer	2017-12-31	$108
Employer contributions (assets) at end of year	2017-12-31	$0
Employer contributions (assets) at beginning of year	2017-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2017-12-31	$3,666,287
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
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
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	LAVING, LOFGREN, MORRIS & ENGLEBERG
Accountancy firm EIN	2017-12-31	330690020
2016 : DEXCOM, INC. 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	$13,427,185
Total loss/gain on sale of assets	2016-12-31	$0
Total of all expenses incurred	2016-12-31	$3,074,339
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2016-12-31	$3,061,342
Expenses. Certain deemed distributions of participant loans	2016-12-31	$0
Value of total corrective distributions	2016-12-31	$12,997
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2016-12-31	$10,987,825
Value of total assets at end of year	2016-12-31	$38,092,102
Value of total assets at beginning of year	2016-12-31	$27,739,256
Total of administrative expenses incurred including professional, contract, advisory and management fees	2016-12-31	$0
Total income from rents	2016-12-31	$0
Total interest from all sources	2016-12-31	$19,516
Total dividends received (eg from common stock, registered investment company shares)	2016-12-31	$1,209,639
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	$1,209,639
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	$1,000,000
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	$8,604,433
Participant contributions at end of year	2016-12-31	$559,208
Participant contributions at beginning of year	2016-12-31	$417,606
Participant contributions at end of year	2016-12-31	$0
Participant contributions at beginning of year	2016-12-31	$0
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	$2,383,392
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	$6,576
Administrative expenses (other) incurred	2016-12-31	$0
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	$10,352,846
Value of net assets at end of year (total assets less liabilities)	2016-12-31	$38,092,102
Value of net assets at beginning of year (total assets less liabilities)	2016-12-31	$27,739,256
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2016-12-31	$35,854,384
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2016-12-31	$26,037,615
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	$18,549
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	$0
Value of interest in common/collective trusts at beginning of year	2016-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2016-12-31	$1,678,510
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2016-12-31	$1,284,035
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2016-12-31	$1,284,035
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2016-12-31	$967
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	$1,203,629
Net investment gain/loss from pooled separate accounts	2016-12-31	$0
Net investment gain or loss from common/collective trusts	2016-12-31	$0
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	Yes
Has the plan failed to provide any benefit when due under the plan	2016-12-31	No
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	$0
Employer contributions (assets) at end of year	2016-12-31	$0
Employer contributions (assets) at beginning of year	2016-12-31	$0
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	$3,061,342
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	LAVINE, LOFGREN, MORRIS & ENGELBERG
Accountancy firm EIN	2016-12-31	330690020
2015 : DEXCOM, INC. 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	$6,842,967
Total loss/gain on sale of assets	2015-12-31	$0
Total of all expenses incurred	2015-12-31	$1,109,522
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2015-12-31	$1,099,972
Expenses. Certain deemed distributions of participant loans	2015-12-31	$3,172
Value of total corrective distributions	2015-12-31	$128
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2015-12-31	$6,772,790
Value of total assets at end of year	2015-12-31	$27,739,256
Value of total assets at beginning of year	2015-12-31	$22,005,811
Total of administrative expenses incurred including professional, contract, advisory and management fees	2015-12-31	$6,250
Total income from rents	2015-12-31	$0
Total interest from all sources	2015-12-31	$16,264
Total dividends received (eg from common stock, registered investment company shares)	2015-12-31	$1,654,896
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	$1,654,896
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	$1,000,000
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	$5,832,703
Participant contributions at end of year	2015-12-31	$417,606
Participant contributions at beginning of year	2015-12-31	$370,973
Participant contributions at end of year	2015-12-31	$0
Participant contributions at beginning of year	2015-12-31	$0
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	$929,679
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	$6,250
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	$5,733,445
Value of net assets at end of year (total assets less liabilities)	2015-12-31	$27,739,256
Value of net assets at beginning of year (total assets less liabilities)	2015-12-31	$22,005,811
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2015-12-31	$26,037,615
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2015-12-31	$20,619,692
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	$16,082
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	$0
Value of interest in common/collective trusts at beginning of year	2015-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2015-12-31	$1,284,035
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2015-12-31	$1,015,146
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2015-12-31	$1,015,146
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2015-12-31	$182
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	$-1,600,983
Net investment gain/loss from pooled separate accounts	2015-12-31	$0
Net investment gain or loss from common/collective trusts	2015-12-31	$0
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	$10,408
Employer contributions (assets) at end of year	2015-12-31	$0
Employer contributions (assets) at beginning of year	2015-12-31	$0
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	$1,099,972
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	LAVINE, LOFGREN, MORRIS & ENGLEBERG
Accountancy firm EIN	2015-12-31	330690020
2014 : DEXCOM, INC. 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	$6,571,176
Total loss/gain on sale of assets	2014-12-31	$0
Total of all expenses incurred	2014-12-31	$799,346
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2014-12-31	$792,625
Expenses. Certain deemed distributions of participant loans	2014-12-31	$2,019
Value of total corrective distributions	2014-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2014-12-31	$4,841,169
Value of total assets at end of year	2014-12-31	$22,005,811
Value of total assets at beginning of year	2014-12-31	$16,233,981
Total of administrative expenses incurred including professional, contract, advisory and management fees	2014-12-31	$4,702
Total income from rents	2014-12-31	$0
Total interest from all sources	2014-12-31	$13,050
Total dividends received (eg from common stock, registered investment company shares)	2014-12-31	$1,378,187
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	$1,378,187
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	$1,000,000
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	$4,064,197
Participant contributions at end of year	2014-12-31	$370,973
Participant contributions at beginning of year	2014-12-31	$199,888
Participant contributions at end of year	2014-12-31	$0
Participant contributions at beginning of year	2014-12-31	$0
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	$769,851
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	$4,702
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	$5,771,830
Value of net assets at end of year (total assets less liabilities)	2014-12-31	$22,005,811
Value of net assets at beginning of year (total assets less liabilities)	2014-12-31	$16,233,981
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	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2014-12-31	$20,619,692
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2014-12-31	$15,225,097
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	$12,891
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	$0
Value of interest in common/collective trusts at beginning of year	2014-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2014-12-31	$1,015,146
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2014-12-31	$808,996
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2014-12-31	$808,996
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2014-12-31	$159
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	$338,770
Net investment gain/loss from pooled separate accounts	2014-12-31	$0
Net investment gain or loss from common/collective trusts	2014-12-31	$0
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	$7,121
Employer contributions (assets) at end of year	2014-12-31	$0
Employer contributions (assets) at beginning of year	2014-12-31	$0
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	$792,625
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	LAVINE, LOFGREN, MORRIS & ENGLEBERG
Accountancy firm EIN	2014-12-31	330690020
2013 : DEXCOM, INC. 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	$0
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	$6,028,721
Total loss/gain on sale of assets	2013-12-31	$0
Total of all expenses incurred	2013-12-31	$1,162,654
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2013-12-31	$1,136,267
Expenses. Certain deemed distributions of participant loans	2013-12-31	$16,879
Value of total corrective distributions	2013-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2013-12-31	$3,212,916
Value of total assets at end of year	2013-12-31	$16,233,981
Value of total assets at beginning of year	2013-12-31	$11,367,914
Total of administrative expenses incurred including professional, contract, advisory and management fees	2013-12-31	$9,508
Total income from rents	2013-12-31	$0
Total interest from all sources	2013-12-31	$7,197
Total dividends received (eg from common stock, registered investment company shares)	2013-12-31	$688,370
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	$688,370
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	$1,000,000
If this is an individual account plan, was there a blackout period	2013-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2013-12-31	No
Contributions received from participants	2013-12-31	$2,827,688
Participant contributions at end of year	2013-12-31	$199,888
Participant contributions at beginning of year	2013-12-31	$119,317
Participant contributions at end of year	2013-12-31	$0
Participant contributions at beginning of year	2013-12-31	$0
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	$385,228
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	$0
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	$9,508
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	$4,866,067
Value of net assets at end of year (total assets less liabilities)	2013-12-31	$16,233,981
Value of net assets at beginning of year (total assets less liabilities)	2013-12-31	$11,367,914
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	$15,225,097
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2013-12-31	$10,550,813
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	$7,110
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	$0
Value of interest in common/collective trusts at beginning of year	2013-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2013-12-31	$808,996
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2013-12-31	$697,784
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2013-12-31	$697,784
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2013-12-31	$87
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	$2,120,238
Net investment gain/loss from pooled separate accounts	2013-12-31	$0
Net investment gain or loss from common/collective trusts	2013-12-31	$0
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	Yes
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	$0
Employer contributions (assets) at end of year	2013-12-31	$0
Employer contributions (assets) at beginning of year	2013-12-31	$0
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	$1,136,267
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	No
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	LAVINE, LOFGREN, MORRIS & ENGLEBERG
Accountancy firm EIN	2013-12-31	330690020
2012 : DEXCOM, INC. 401(K) PLAN 2012 401k financial data
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	$3,965,027
Total of all expenses incurred	2012-12-31	$468,340
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2012-12-31	$458,356
Expenses. Certain deemed distributions of participant loans	2012-12-31	$1,376
Value of total corrective distributions	2012-12-31	$908
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2012-12-31	$2,744,026
Value of total assets at end of year	2012-12-31	$11,367,914
Value of total assets at beginning of year	2012-12-31	$7,871,227
Total of administrative expenses incurred including professional, contract, advisory and management fees	2012-12-31	$7,700
Total interest from all sources	2012-12-31	$2,977
Total dividends received (eg from common stock, registered investment company shares)	2012-12-31	$282,177
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	$282,177
Was this plan covered by a fidelity bond	2012-12-31	Yes
Value of fidelity bond cover	2012-12-31	$500,000
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	$2,363,613
Participant contributions at end of year	2012-12-31	$119,317
Participant contributions at beginning of year	2012-12-31	$49,364
Income. Received or receivable in cash from other sources (including rollovers)	2012-12-31	$380,413
Administrative expenses (other) incurred	2012-12-31	$7,700
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	$3,496,687
Value of net assets at end of year (total assets less liabilities)	2012-12-31	$11,367,914
Value of net assets at beginning of year (total assets less liabilities)	2012-12-31	$7,871,227
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	$10,550,813
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2012-12-31	$7,286,782
Interest on participant loans	2012-12-31	$2,907
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2012-12-31	$697,784
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2012-12-31	$535,081
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2012-12-31	$535,081
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2012-12-31	$70
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2012-12-31	$935,847
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	Yes
Has the plan failed to provide any benefit when due under the plan	2012-12-31	No
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2012-12-31	$458,356
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	2012-12-31	No
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	LAVINE, LOFGREN, MORRIS & ENGLEBERG
Accountancy firm EIN	2012-12-31	330690020
2011 : DEXCOM, INC. 401(K) PLAN 2011 401k financial data
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	$2,013,679
Total of all expenses incurred	2011-12-31	$326,720
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2011-12-31	$276,174
Value of total corrective distributions	2011-12-31	$48,111
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2011-12-31	$2,181,121
Value of total assets at end of year	2011-12-31	$7,871,227
Value of total assets at beginning of year	2011-12-31	$6,184,268
Total of administrative expenses incurred including professional, contract, advisory and management fees	2011-12-31	$2,435
Total interest from all sources	2011-12-31	$4,502
Total dividends received (eg from common stock, registered investment company shares)	2011-12-31	$214,765
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	$214,765
Was this plan covered by a fidelity bond	2011-12-31	Yes
Value of fidelity bond cover	2011-12-31	$500,000
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	$1,931,144
Participant contributions at end of year	2011-12-31	$49,364
Participant contributions at beginning of year	2011-12-31	$19,902
Income. Received or receivable in cash from other sources (including rollovers)	2011-12-31	$243,688
Administrative expenses (other) incurred	2011-12-31	$2,435
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	$1,686,959
Value of net assets at end of year (total assets less liabilities)	2011-12-31	$7,871,227
Value of net assets at beginning of year (total assets less liabilities)	2011-12-31	$6,184,268
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	$7,286,782
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2011-12-31	$5,665,963
Interest on participant loans	2011-12-31	$1,591
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2011-12-31	$535,081
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2011-12-31	$498,403
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2011-12-31	$498,403
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2011-12-31	$2,911
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2011-12-31	$-386,709
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	Yes
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	$6,289
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2011-12-31	$276,174
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	2011-12-31	No
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	LAVINE, LOFGREN, MORRIS & ENGLEBERG
Accountancy firm EIN	2011-12-31	330690020
2010 : DEXCOM, INC. 401(K) PLAN 2010 401k financial data
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	$2,397,329
Total of all expenses incurred	2010-12-31	$406,797
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2010-12-31	$358,838
Value of total corrective distributions	2010-12-31	$47,669
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2010-12-31	$1,689,009
Value of total assets at end of year	2010-12-31	$6,184,268
Value of total assets at beginning of year	2010-12-31	$4,193,736
Total of administrative expenses incurred including professional, contract, advisory and management fees	2010-12-31	$290
Total interest from all sources	2010-12-31	$1,243
Total dividends received (eg from common stock, registered investment company shares)	2010-12-31	$80,797
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	$80,797
Was this plan covered by a fidelity bond	2010-12-31	Yes
Value of fidelity bond cover	2010-12-31	$419,374
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	$1,535,923
Participant contributions at end of year	2010-12-31	$19,902
Participant contributions at beginning of year	2010-12-31	$24,587
Income. Received or receivable in cash from other sources (including rollovers)	2010-12-31	$152,614
Administrative expenses (other) incurred	2010-12-31	$290
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	$1,990,532
Value of net assets at end of year (total assets less liabilities)	2010-12-31	$6,184,268
Value of net assets at beginning of year (total assets less liabilities)	2010-12-31	$4,193,736
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	$5,665,963
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2010-12-31	$3,534,793
Interest on participant loans	2010-12-31	$1,133
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2010-12-31	$498,403
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2010-12-31	$634,356
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2010-12-31	$634,356
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2010-12-31	$110
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2010-12-31	$626,280
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	$472
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2010-12-31	$358,838
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	2010-12-31	No
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	LAVINE, LOFGREN, MORRIS & ENGLEBERG
Accountancy firm EIN	2010-12-31	330690020
2009 : DEXCOM, INC. 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 DEXCOM, INC. 401(K) PLAN

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

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Company Name:	DEXCOM INC
Employer identification number (EIN):	330857544
NAIC Classification:	339110

Jurisdiction of Incorporation:	State of Delaware Division of Corporations
Incorporation Date:
Company Identification Number:	3030192