SEC Form 4 · accession 0000874015-26-000244
IONIS PHARMACEUTICALS INC · IONS
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Spencer R Berthelsen
Director
Period of report
Jul 15, 2026
Accepted (ET)
Jul 17, 2026 · 5:12 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 | Jul 15, 2026 | M | 5,220 | $0.00 | A | 161,233 | D | |
| Common StockF2 | holding | — | — | — | 70 | I | by Daughter |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitF3,F4 | $0.00 | Jul 15, 2026 | M | 5,220 | D | — | — | Common Stock | 5,220 | 2,301 | D |
Explanation of responses
- F1Acquired pursuant to vesting and release of shares in accordance with a Restricted Stock Unit award.
- F2The reporting person disclaims beneficial ownership of all securities held by his daughter, and this report should not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
- F3Each Restricted Stock Unit represents a contingent right to receive one share of Ionis common stock, or its equivalent cash value.
- F4Restricted Stock Units vest 100% on either the first anniversary of the date of grant or the next regularly scheduled annual meeting of stockholders of the Company, whichever occurs earlier, and are delivered to the reporting person on the July 15th following the vesting date. Upon vesting, the Restricted Stock Units will be paid in whole shares of Ionis common stock or cash as may be determined by the Company.