SEC Form 4 · accession 0000874015-26-000217
IONIS PHARMACEUTICALS INC · IONS
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Patrick R. O'Neil
Officer — EVP CLO & General Counsel
Period of report
Jun 26, 2026
Accepted (ET)
Jun 30, 2026 · 5:48 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0000874015
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Jun 26, 2026 | S | 3,069 | $80.00 | D | 61,470 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Shares sold pursuant to a Rule 10b5-1 Trading Plan adopted by the reporting person on December 8, 2025.