Form 4 Filing for Arrowhead Pharmaceuticals, Inc.

James C. Hamilton, Chief Medical Officer of Arrowhead Pharmaceuticals, Inc. (ARWR), reported a sale of 10,000 shares of common stock on April 23, 2026. The sale was executed under a 10b5-1 trading plan at a weighted average price of $75.00 per share, with individual transactions ranging from $75.00 to $75.13. Following this transaction, Hamilton directly owns 226,958 shares. The filing also notes that this figure includes shares underlying Restricted Stock Units, some of which are still subject to vesting conditions.