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O'Brien Patrick Insider Trading -- Recent SEC Form 4 Transactions

O'Brien Patrick (CIK 1627183) reported 23 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-01-08). Recent activity: Sell ARWR (540 shares), Sell ARWR (540 shares), Sell ARWR (540 shares), Sell ARWR (440 shares), Sell ARWR (440 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-01-08ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell540$0
2026-01-08ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell540$0
2026-01-08ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell540$0
2026-01-08ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell440$0
2026-01-08ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell440$0
2026-01-08ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOBuy75,000$0
2026-01-05ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell560$0
2026-01-05ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell560$0
2026-01-05ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell560$0
2026-01-05ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell560$0
2026-01-05ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell560$0
2026-01-05ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell4,368$267,322
2026-01-05ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell6,164$383,586
2026-01-05ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell13,451$846,875
2026-01-05ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell11,842$755,993
2026-01-05ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell2,700$173,988
2026-01-05ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell900$59,409
2026-01-05ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell313$21,284
2026-01-05ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell600$36,672
2026-01-05ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell900$56,025
2026-01-05ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell5,873$369,470
2026-01-05ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell2,336$149,597
2026-01-05ARROWHEAD PHARMACEUTICALS, INC. (ARWR)COOSell46$3,128

Source: SEC Form 4 filings · as of 2026-01-08