January 15, 2026 · Form 4 insider transaction
O'NEIL PATRICK R. bought 21,473 shares of Ionis Pharmaceuticals, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 5 days after the transaction.
Acquired pursuant to vesting and release of shares in accordance with Restricted Stock Unit awards.