| Company Name: | IONIS PHARMACEUTICALS, INC. |
| Employer identification number (EIN): | 330336973 |
| NAIC Classification: | 541700 |
The following addresses have been detected on the 401k submissions:
| USA Mailing Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2007-07-01 | |||||
| Date last seen: 2025-08-31 | |||||
| USA Location Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2007-07-01 | |||||
| Date last seen: 2025-08-31 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2009-01-01 | |||||
| Date last seen: 2025-06-30 | |||||
| USA Location Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2009-01-01 | |||||
| Date last seen: 2025-06-30 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2016-07-01 | |||||
| Date last seen: 2019-06-27 | |||||
| USA Location Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2016-07-01 | |||||
| Date last seen: 2021-07-21 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2008-01-01 | |||||
| Date last seen: 2025-08-31 | |||||
| USA Location Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2008-01-01 | |||||
| Date last seen: 2025-08-31 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2009-01-01 | |||||
| Date last seen: 2025-12-03 | |||||
| Date | Description |
|---|---|
| 2021-07-21 | 330336973 Change of name detected from ISIS PHARMACEUTICALS, INC. to IONIS PHARMACEUTICALS, INC. |
| Plan id# | Plan Name | Plan Start Date | Plan Effective Date |
|---|---|---|---|
| 001 | IONIS PHARMACEUTICALS 401(K) PLAN | 2015-01-01 | 1991-01-01 |
| 501 | IONIS PHARMACEUTICALS, INC. HEALTH AND WELFARE PLAN | 2015-01-01 | 2015-01-01 |
| 503 | ISIS PHARMACEUTICALS LONG TERM DISABILITY | 2009-01-01 | 1992-03-01 |
| 505 | ISIS PHARMACEUTICALS EMPLOYEE ASSISTANCE PROGRAM | 2009-01-01 | 1995-01-01 |
| 504 | ISIS PHARMACEUTICALS, INC. TERM LIFE AND AD&D PLAN | 2009-01-01 | 1992-04-01 |
| 510 | ISIS PHARMACEUTICALS, INC. CAFETERIA PLAN | 2014-01-01 | 1992-05-01 |