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| Company Name: | BIOGEN INC. |
| Employer identification number (EIN): | 330112644 |
| NAIC Classification: | 325410 |
The following addresses have been detected on the 401k submissions:
| USA Mailing Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2008-01-01 | |||||
| Date last seen: 2025-11-22 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2008-01-01 | |||||
| Date last seen: 2025-08-31 | |||||
| USA Location Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2008-01-01 | |||||
| Date last seen: 2025-08-31 | |||||
| Date | Description |
|---|---|
| 2021-10-04 | 330112644 Change of name detected from BIOGEN to BIOGEN INC. |
| Plan id# | Plan Name | Plan Start Date | Plan Effective Date |
|---|---|---|---|
| 501 | BIOGEN HEALTH AND WELFARE BENEFIT PLAN | 2015-01-01 | 1981-05-01 |
| 520 | U.S. CHANGE IN CONTROL SEVERANCE PLAN | 2015-01-01 | 2009-05-01 |
| 001 | BIOGEN 401(K) SAVINGS PLAN | 2015-01-01 | 2004-01-06 |
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