Brett P. Monia - Aug 29, 2025 Form 4 Insider Report for IONIS PHARMACEUTICALS INC (IONS)

Role
Chief Executive Officer, Director
Signature
By: Patrick R. O'Neil, attorney-in-fact For: Brett Monia
Stock symbol
IONS
Transactions as of
Aug 29, 2025
Transactions value $
$5,237
Form type
4
Date filed
9/3/2025, 06:30 PM
Previous filing
Aug 1, 2025
Next filing
Sep 4, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Monia Brett P Chief Executive Officer, Director 2855 GAZELLE COURT, CARLSBAD By: Patrick R. O'Neil, attorney-in-fact For: Brett Monia 2025-09-03 0001537529

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IONS Common Stock Other $5.24K +189 +0.11% $27.71 180K 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.