January 5, 2026 · Form 4 insider transaction
O'Brien Patrick sold 313 shares of Arrowhead Pharmaceuticals, Inc. at $68.00 per share, a transaction worth $21.3K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 0 days after the transaction.
Shares were sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.; Partial disposition of shares to satisfy tax withholding obligations.; Includes previously reported shares of common stock underlying Restricted Stock Units granted to the Reporting person, a portion of which are still subject to certain vesting conditions.