Eric Swayze - 15 Oct 2026 Form 4 Insider Report for IONIS PHARMACEUTICALS INC (IONS)

Reporting relationship: EVP Research
Issuer ticker: IONS
Reported as of: 15 Oct 2026
Net transaction value: -$2,308
SEC form: 4
Accepted by SEC: 19 Oct 2026, 21:40:02 UTC
Prior SEC filing: 26 Jun 2026
Source filing: View source filing
Reporting owner signature: By: Patrick R. O'Neil, attorney-in-fact For: Eric Swayze

Filing notes and source

Key filing fact

Eric Swayze filed Form 4 for IONIS PHARMACEUTICALS INC (IONS) on 19 Oct 2026.

Key facts

This page summarizes Eric Swayze's Form 4 filing for IONIS PHARMACEUTICALS INC (IONS).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 19 Oct 2026, 21:40.

Change

Previous filing in this sequence was filed on 26 Jun 2026.
Current net transaction value: -$2,308.

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 0001791058 Primary reporting owner

Swayze Eric

Relationship: EVP Research
Address: 2855 GAZELLE COURT, CARLSBAD
Signature: By: Patrick R. O'Neil, attorney-in-fact For: Eric Swayze
Signature date: 19 Oct 2026

Reported non-derivative transactions

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

IONS transaction

Common Stock

Options Exercise

Transaction value
Shares: +125
Change %: +39%
Price: $0.000000^*
Shares after: 443
Date: 15 Oct 2026
Ownership: by Son
Footnotes: F1

IONS transaction

Common Stock

Sale

Transaction value: -$2,308
Shares: -53
Change %: -12%
Price: $43.54
Shares after: 390
Date: 16 Oct 2026
Ownership: by Son
Footnotes: F2

IONS holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 21,759
Date: 15 Oct 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

IONS transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value
Shares: -125
Change %: -20%
Price: $0.000000^*
Shares after: 486
Date: 15 Oct 2026
Ownership: by Son
Underlying class: Common Stock
Underlying amount: 125
Exercise price: $0.000000
Footnotes: F3, F4

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Acquired pursuant to vesting and release of shares in accordance with a Restricted Stock Unit award.

Footnote F2

The sale was made pursuant to an automatic sale to cover the required tax withholding obligations pursuant to the 2011 Equity Incentive Plan Restricted Stock Unit Agreement and Grant Notice.

Footnote F3

Each Restricted Stock Unit represents a contingent right to receive one share of Ionis common stock, or its equivalent cash value.

Footnote F4

Restricted Stock Units vest in four equal annual installments. Upon vesting, the restricted stock units will be paid out in whole shares of Ionis common stock or cash as may be determined by the Company.