Insider · CIK 0001627183

O'Brien Patrick

Reports to the SEC for 1 company · PASADENA, CA

sec.gov

Transactions

Companies

Filings

CIK

0001627183

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-01-06	ARWRARROWHEAD PHARMACEUTICALS, INC.G Gift	COO	GGift	−540 sh	—	—	474,368
2026-01-06	ARWRARROWHEAD PHARMACEUTICALS, INC.G Gift	COO	GGift	−540 sh	—	—	473,828
2026-01-06	ARWRARROWHEAD PHARMACEUTICALS, INC.G Gift	COO	GGift	−540 sh	—	—	473,288
2026-01-06	ARWRARROWHEAD PHARMACEUTICALS, INC.G Gift	COO	GGift	−440 sh	—	—	472,848
2026-01-06	ARWRARROWHEAD PHARMACEUTICALS, INC.G Gift	COO	GGift	−440 sh	—	—	472,408
2026-01-06	ARWRARROWHEAD PHARMACEUTICALS, INC.A Award	COO	AAward	+75K sh	—	—	547,408
2026-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−4,368 sh	$61.20	−$267K	520,033
2026-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−6,164 sh	$62.23	−$384K	513,869
2026-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−13.5K sh	$62.96	−$847K	500,418
2026-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−11.8K sh	$63.84	−$756K	488,576
2026-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−2,700 sh	$64.44	−$174K	485,876
2026-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−900 sh	$66.01	−$59.4K	484,976
2026-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−313 sh	$68.00	−$21.3K	484,663
2026-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−600 sh	$61.12	−$36.7K	484,063
2026-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−900 sh	$62.25	−$56K	483,163
2026-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−5,873 sh	$62.91	−$369K	477,290
2026-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−2,336 sh	$64.04	−$150K	474,954
2026-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−46 sh	$68.00	−$3,128	474,908
2025-12-31	ARWRARROWHEAD PHARMACEUTICALS, INC.G Gift	COO	GGift	−560 sh	—	—	526,641
2025-12-31	ARWRARROWHEAD PHARMACEUTICALS, INC.G Gift	COO	GGift	−560 sh	—	—	526,081
2025-12-31	ARWRARROWHEAD PHARMACEUTICALS, INC.G Gift	COO	GGift	−560 sh	—	—	525,521
2025-12-31	ARWRARROWHEAD PHARMACEUTICALS, INC.G Gift	COO	GGift	−560 sh	—	—	524,961
2025-12-31	ARWRARROWHEAD PHARMACEUTICALS, INC.G Gift	COO	GGift	−560 sh	—	—	524,401
2025-01-07	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−8,000 sh	$19.69	−$158K	527,201
2025-01-06	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−19.7K sh	$19.69	−$387K	544,727
2025-01-06	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−9,526 sh	$20.10	−$191K	535,201
2025-01-04	ARWRARROWHEAD PHARMACEUTICALS, INC.A Award	COO	AAward	+100K sh	—	—	564,385
2024-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−1,900 sh	$33.99	−$64.6K	485,326
2024-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−8,200 sh	$34.99	−$287K	477,126
2024-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−12.7K sh	$35.65	−$454K	464,385
2024-01-04	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−1,600 sh	$32.63	−$52.2K	402,226
2024-01-04	ARWRARROWHEAD PHARMACEUTICALS, INC.A Award	COO	AAward	+85K sh	—	—	487,226
2024-01-03	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−3,849 sh	$31.83	−$123K	408,726
2024-01-03	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−2,800 sh	$32.52	−$91.1K	405,926
2024-01-03	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−400 sh	$33.41	−$13.4K	405,526
2024-01-03	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−1,700 sh	$32.65	−$55.5K	403,826
2023-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−7,500 sh	$37.39	−$280K	420,875
2023-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−7,500 sh	$37.39	−$280K	413,375
2023-01-04	ARWRARROWHEAD PHARMACEUTICALS, INC.A Award	COO	AAward	+65K sh	—	—	428,375
2023-01-03	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−2,653 sh	$37.53	−$99.6K	378,222
2023-01-03	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−5,527 sh	$38.54	−$213K	372,695
2023-01-03	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−500 sh	$39.74	−$19.9K	372,195
2023-01-03	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−70 sh	$40.80	−$2,856	372,125
2023-01-03	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−2,894 sh	$37.58	−$109K	369,231
2023-01-03	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−5,286 sh	$38.58	−$204K	363,945
2023-01-03	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−300 sh	$39.55	−$11.9K	363,645
2023-01-03	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−270 sh	$40.53	−$10.9K	363,375
2022-12-21	ARWRARROWHEAD PHARMACEUTICALS, INC.M Exercise/Conversion	COO	MExercise/Conversion	+32K sh	$6.15	+$197K	380,875
2022-12-21	ARWRARROWHEAD PHARMACEUTICALS, INC. · Stock Option (right to buy Common Stock)M Exercise/Conversion	COO	MExercise/Conversion	−32K sh	—	—	0
2022-01-05	ARWRARROWHEAD PHARMACEUTICALS, INC.S Sale	COO	SSale	−12.4K sh	$60.49	−$752K	368,941

Recent filings

Accepted (ET)
Jan 84
O'Brien Patrick0001627183-26-000003
SEC(opens sec.gov)
Jan 54
O'Brien Patrick0001627183-26-000001
SEC(opens sec.gov)

Companies

ARROWHEAD PHARMACEUTICALS, INC.COOARWR

Address

177 E. COLORADO BLVD SUITE 700

PASADENA, CA, 91105