SEC Form 4 · accession 0000874015-26-000259
IONIS PHARMACEUTICALS INC · IONS
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Brian Birchler
Officer — EVP, Corp and Development Ops
Period of report
Aug 31, 2026
Accepted (ET)
Sep 2, 2026 · 8:22 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000874015
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Aug 31, 2026 | J | 58 | $51.306 | A | 102,883 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Reporting shares purchased under the Ionis Pharmaceuticals, Inc. Amended and Restated 2000 Employee Stock Purchase Plan on August 31, 2026. These shares may not be sold until February 28, 2027.