Ionis Pharmaceuticals Inc SEC filings IONS
Ionis Pharmaceuticals Inc has 1,005 filings in SEC EDGAR's recent list, going back to Jul 6, 2020. Its latest annual report, Form ARS, was filed on Apr 23, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Jul 29, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 23, 2026 (regulation fd disclosure, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| ARS | Annual report to shareholders | Apr 23, 2026 | Dec 31, 2025 |
| 10-K | Annual report | Feb 26, 2026 | Dec 31, 2025 |
| ARS | Annual report to shareholders | Apr 25, 2025 | Dec 31, 2024 |
| 10-K | Annual report | Feb 19, 2025 | Dec 31, 2024 |
| ARS | Annual report to shareholders | Apr 25, 2024 | Dec 31, 2023 |
| 10-K | Annual report | Feb 21, 2024 | Dec 31, 2023 |
| ARS | Annual report to shareholders | Apr 20, 2023 | Dec 31, 2022 |
| 10-K | Annual report | Feb 22, 2023 | Dec 31, 2022 |
| 10-K | Annual report | Feb 25, 2022 | Dec 31, 2021 |
| 10-K | Annual report | Feb 24, 2021 | Dec 31, 2020 |
Showing 10 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- IONS (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- CA
- Headquarters
- Carlsbad, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 874015
- Former names
- ISIS PHARMACEUTICALS INC (until Dec 18, 2015)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.