C. FRANK BENNETT - 27 Feb 2026 Form 4 Insider Report for IONIS PHARMACEUTICALS INC (IONS)

Signature
By: Patrick R. O'Neil, attorney-in-fact For: C. Frank Bennett
Issuer symbol
IONS
Transactions as of
27 Feb 2026
Net transactions value
+$12,754
Form type
4
Filing time
03 Mar 2026, 17:28:34 UTC
Previous filing
13 Feb 2026
Next filing
05 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
BENNETT C FRANK EVP, Chief Scientific Officer 2855 GAZELLE COURT, CARLSBAD By: Patrick R. O'Neil, attorney-in-fact For: C. Frank Bennett 03 Mar 2026 0001073387

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IONS Common Stock Other $12,754 +261 +0.26% $48.87 100,554 27 Feb 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Reporting shares purchased under the Ionis Pharmaceuticals, Inc. Amended and Restated 2000 Employee Stock Purchase Plan on February 27, 2026. These shares may not be sold until August 27, 2026.