Christopher Anzalone plan to sell securities of Arrowhead under Form 144

Christopher Anzalone filed Form 144 to notify SEC of plan to sell 12586 units of Arrowhead securities around 2025-12-22, with aggregate market value of $861,319.30. The total outstanding units is 135809558.0. The amount planned to be sold represents 0.01% of total outstanding units; Recent transactions in past 3 months include: On 12/19/2025, sold 13445 units for $909632.44; On 12/17/2025, sold 85000 units for $5443252.88; On 12/16/2025, sold 54298 units for $3398141.91; On 12/15/2025, sold 130000 units for $8950579.90;