Form 4 Filing for ARROWHEAD PHARMACEUTICALS, INC.

This Form 4 filing details a transaction by Matthew Gregory Cohen, a director at ARROWHEAD PHARMACEUTICALS, INC. (ARWR). On June 15, 2026, Cohen acquired 11,882 shares of Common Stock. The acquisition code "A" indicates an increase in shares. Notably, the transaction price was $0.00, and these shares are linked to restricted stock units granted on the same date, which are set to vest over three years. Following this transaction, Cohen directly owns 11,882 shares. The filing was signed on June 17, 2026.