Bennett C Frank - Aug 29, 2025 Form 4 Insider Report for IONIS PHARMACEUTICALS INC (IONS)

Role
EVP, Chief Scientific Officer
Signature
By: Patrick R. O'Neil, attorney-in-fact For: C. Frank Bennett
Stock symbol
IONS
Transactions as of
Aug 29, 2025
Transactions value $
$5,902
Form type
4
Date filed
9/3/2025, 06:29 PM
Previous filing
Aug 20, 2025
Next filing
Sep 4, 2025
SEC
View on sec.gov

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 2025-09-03 0001073387

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IONS Common Stock Other $5.9K +213 +0.23% $27.71 93.7K Aug 29, 2025 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 August 29, 2025. These shares may not be sold until March 2, 2026.