C. Frank Bennett - 31 Aug 2026 Form 4 Insider Report for IONIS PHARMACEUTICALS INC (IONS)

Reporting relationship: EVP, Chief Scientific Officer
Issuer ticker: IONS
Reported as of: 31 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Sep 2026, 20:32:51 UTC
Prior SEC filing: 09 Jul 2026
Source filing: View source filing
Reporting owner signature: By: Patrick R. O'Neil, attorney-in-fact For: C. Frank Bennett

Key filing fact

C. Frank Bennett filed Form 4 for IONIS PHARMACEUTICALS INC (IONS) on 02 Sep 2026.

Key facts

This page summarizes C. Frank Bennett's Form 4 filing for IONIS PHARMACEUTICALS INC (IONS).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 02 Sep 2026, 20:32.

Change

Previous filing in this sequence was filed on 09 Jul 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001073387 Primary reporting owner

BENNETT C FRANK

Relationship: EVP, Chief Scientific Officer
Address: 2855 GAZELLE COURT, CARLSBAD
Signature: By: Patrick R. O'Neil, attorney-in-fact For: C. Frank Bennett
Signature date: 02 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

IONS transaction

Common Stock

Other

Transaction value
Shares: +110
Change %: +0.18%
Price: $51.31^*
Shares after: 60,128
Date: 31 Aug 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Reporting 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.