IONIS PHARMACEUTICALS INC (IONS) Form 10-K Annual Reports
IONIS PHARMACEUTICALS INC (IONS) is a publicly traded company on the Nasdaq, categorized under SIC 2834 (Pharmaceutical Preparations). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: IONS
CIK: 874015
Exchange: Nasdaq
SIC 2834: Pharmaceutical Preparations
Fiscal Year End: 12/31
State: CA
Independent PCAOB Auditor
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Audit Firm
Ernst & Young LLP
Auditor SinceSince 12/31/2016 12:00:00 AM
Lead Engagement PartnerTim Holl
Audit LocationSan Diego, California, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 144 | 2026-10-16 | — | 144 Filing | 0000874015-26-000263 | View SEC Doc Filr Page |
| 8-K | 2026-09-23 | 2026-09-23 | CURRENT REPORT FILING | 0001140361-26-037371 | View SEC Doc Filr Page |
| 8-K | 2026-09-04 | 2026-09-04 | 8-K | 0001140361-26-035802 | View SEC Doc Filr Page |
| 8-K | 2026-09-04 | 2026-09-03 | 8-K | 0001140361-26-035657 | View SEC Doc Filr Page |
| 4 | 2026-09-02 | 2026-08-31 | PRIMARY DOCUMENT | 0000874015-26-000262 | View SEC Doc Filr Page |
| 4 | 2026-09-02 | 2026-08-31 | PRIMARY DOCUMENT | 0000874015-26-000261 | View SEC Doc Filr Page |
| 4 | 2026-09-02 | 2026-08-31 | PRIMARY DOCUMENT | 0000874015-26-000260 | View SEC Doc Filr Page |
| 4 | 2026-09-02 | 2026-08-31 | PRIMARY DOCUMENT | 0000874015-26-000259 | View SEC Doc Filr Page |
| 4 | 2026-07-31 | 2026-07-30 | PRIMARY DOCUMENT | 0000874015-26-000254 | View SEC Doc Filr Page |
| S-8 | 2026-07-31 | — | S-8 | 0001140361-26-030454 | View SEC Doc Filr Page |
| 10-Q | 2026-07-29 | 2026-06-30 | IONIS PHARMACEUTICALS, INC. 10-Q 06-30-2026 | 0000874015-26-000251 | View SEC Doc Filr Page |
| 8-K | 2026-07-29 | 2026-07-29 | 8-K | 0001140361-26-029960 | View SEC Doc Filr Page |
| 4 | 2026-07-17 | 2026-07-15 | PRIMARY DOCUMENT | 0000874015-26-000247 | View SEC Doc Filr Page |
| 4 | 2026-07-17 | 2026-07-15 | PRIMARY DOCUMENT | 0000874015-26-000246 | View SEC Doc Filr Page |
| 4 | 2026-07-17 | 2026-07-15 | PRIMARY DOCUMENT | 0000874015-26-000245 | View SEC Doc Filr Page |
| 4 | 2026-07-17 | 2026-07-15 | PRIMARY DOCUMENT | 0000874015-26-000244 | View SEC Doc Filr Page |
| 8-K | 2026-07-10 | 2026-07-09 | 8-K | 0001140361-26-028154 | View SEC Doc Filr Page |
| 4 | 2026-07-09 | 2026-07-07 | PRIMARY DOCUMENT | 0000874015-26-000239 | View SEC Doc Filr Page |
| 4 | 2026-07-09 | 2026-07-07 | PRIMARY DOCUMENT | 0000874015-26-000237 | View SEC Doc Filr Page |
| 4 | 2026-07-09 | 2026-07-07 | PRIMARY DOCUMENT | 0000874015-26-000236 | View SEC Doc Filr Page |
| 8-K | 2026-07-09 | 2026-07-09 | 8-K | 0001140361-26-028092 | View SEC Doc Filr Page |
| 144 | 2026-07-07 | — | 144 Filing | 0001972481-26-000227 | View SEC Doc Filr Page |
| 144 | 2026-07-07 | — | 144 Filing | 0001972481-26-000226 | View SEC Doc Filr Page |
| 144 | 2026-07-07 | — | 144 Filing | 0001972481-26-000225 | View SEC Doc Filr Page |
| 4 | 2026-07-06 | 2026-07-01 | PRIMARY DOCUMENT | 0000874015-26-000232 | View SEC Doc Filr Page |