Stocks
ARWR ARROWHEAD PHARMACEUTICALS, INC.

ARWR

ARROWHEAD PHARMACEUTICALS, INC.

Company with tickers: ARWR

CIK

879407

CUSIP

04280A100

Shares Outstanding

140,857,021

Price History Institutional Holders Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trades Congressional Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-12	Lu Hongbo	Director	Sell	2,970	$76.88	$228,334	52,012
2026-04-23	Hamilton James C	Chief Medical Officer	Sell	10,000	$75.00	$750,000	226,958
2026-04-22	Apel Daniel Joseph	Chief Financial Officer	Sell	1,157	$70.45	$81,511	171,635
2026-04-22	Apel Daniel Joseph	Chief Financial Officer	Sell	3,208	$70.11	$224,913	172,792
2026-04-22	Apel Daniel Joseph	Chief Financial Officer	Sell	8,730	$71.92	$627,862	162,905
2026-03-05	Hamilton James C	Chief Medical Officer	Sell	10,000	$64.19	$641,900	236,958
2026-01-06	Hamilton James C	Chief Medical Officer	Award	75,000	—	—	246,958
2026-01-06	Apel Daniel Joseph	Chief Financial Officer	Award	75,000	—	—	176,200
2026-01-06	O'Brien Patrick	COO	Gift	540	—	—	474,368
2026-01-06	O'Brien Patrick	COO	Gift	440	—	—	472,408
2026-01-06	O'Brien Patrick	COO	Gift	440	—	—	472,848
2026-01-06	O'Brien Patrick	COO	Gift	540	—	—	473,288
2026-01-06	O'Brien Patrick	COO	Award	75,000	—	—	547,408
2026-01-06	O'Brien Patrick	COO	Gift	540	—	—	473,828
2026-01-05	O'Brien Patrick	COO	Sell	11,842	$63.84	$755,993	488,576
2026-01-05	O'Brien Patrick	COO	Sell	5,873	$62.91	$369,470	477,290
2026-01-05	O'Brien Patrick	COO	Sell	313	$68.00	$21,284	484,663
2026-01-05	O'Brien Patrick	COO	Sell	6,164	$62.23	$383,586	513,869
2026-01-05	O'Brien Patrick	COO	Sell	2,700	$64.44	$173,988	485,876
2026-01-05	O'Brien Patrick	COO	Sell	600	$61.12	$36,672	484,063
2026-01-05	O'Brien Patrick	COO	Sell	900	$66.01	$59,409	484,976
2026-01-05	O'Brien Patrick	COO	Sell	46	$68.00	$3,128	474,908
2026-01-05	O'Brien Patrick	COO	Sell	900	$62.25	$56,025	483,163
2026-01-05	O'Brien Patrick	COO	Sell	4,368	$61.20	$267,322	520,033
2026-01-05	O'Brien Patrick	COO	Sell	2,336	$64.04	$149,597	474,954
2026-01-05	O'Brien Patrick	COO	Sell	13,451	$62.96	$846,875	500,418
2026-01-05	Hamilton James C	Chief Medical Officer	Sell	14,792	$63.01	$932,044	186,615
2026-01-05	Hamilton James C	Chief Medical Officer	Sell	309	$68.00	$21,012	171,958
2026-01-05	Hamilton James C	Chief Medical Officer	Sell	437	$65.97	$28,829	172,267
2026-01-05	Hamilton James C	Chief Medical Officer	Sell	1,200	$64.49	$77,388	172,704
2026-01-05	Hamilton James C	Chief Medical Officer	Sell	6,090	$62.28	$379,285	201,407
2026-01-05	Hamilton James C	Chief Medical Officer	Sell	12,711	$63.95	$812,868	173,904
2026-01-05	Hamilton James C	Chief Medical Officer	Sell	4,625	$61.24	$283,235	207,497
2026-01-02	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	7,416	$65.88	$488,566	3,798,510
2026-01-02	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	5,771	$66.39	$383,137	3,792,739
2025-12-31	O'Brien Patrick	COO	Gift	560	—	—	526,081
2025-12-31	O'Brien Patrick	COO	Gift	560	—	—	524,401
2025-12-31	O'Brien Patrick	COO	Gift	560	—	—	524,961
2025-12-31	O'Brien Patrick	COO	Gift	560	—	—	526,641
2025-12-31	O'Brien Patrick	COO	Gift	560	—	—	525,521
2025-12-29	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	16,545	$68.69	$1,136,476	3,805,926
2025-12-29	Anzalone Christopher Richard	Director, Chief Executive Officer	Convert	16,545	$6.15	$101,752	3,857,652
2025-12-29	Anzalone Christopher Richard	Director, Chief Executive Officer	Convert	35,181	$6.15	$216,363	3,841,107
2025-12-29	Anzalone Christopher Richard	Director, Chief Executive Officer	Convert	35,181	—	—	16,545
2025-12-29	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	35,181	$69.33	$2,439,099	3,822,471
2025-12-29	Anzalone Christopher Richard	Director, Chief Executive Officer	Convert	16,545	—	—	0
2025-12-26	Ferrari Mauro	Director	Sell	7,530	$70.00	$527,100	69,053
2025-12-22	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	10,012	$68.33	$684,120	3,808,500
2025-12-22	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	2,574	$68.85	$177,220	3,805,926
2025-12-19	Waddill William D.	Director	Sell	2,416	$66.66	$161,051	62,514
2025-12-19	Waddill William D.	Director	Sell	5,451	$68.01	$370,723	57,063
2025-12-19	Waddill William D.	Director	Sell	500	$68.53	$34,265	56,563
2025-12-19	Vakiener Victoria	Director	Sell	2,799	$66.63	$186,497	42,964
2025-12-19	Vakiener Victoria	Director	Sell	1,960	$68.39	$134,044	35,723
2025-12-19	Vakiener Victoria	Director	Sell	5,281	$67.97	$358,950	37,683
2025-12-19	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	1,319	$68.48	$90,325	3,818,512
2025-12-19	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	3,979	$66.67	$265,280	3,827,978
2025-12-19	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	8,147	$68.01	$554,077	3,819,831
2025-12-19	OLUKOTUN ADEOYE Y	Director	Sell	6,083	$68.04	$413,887	34,427
2025-12-19	OLUKOTUN ADEOYE Y	Director	Sell	3,090	$66.70	$206,103	40,510
2025-12-19	OLUKOTUN ADEOYE Y	Director	Sell	827	$68.48	$56,633	33,600
2025-12-17	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	35,750	$64.51	$2,306,233	3,834,920
2025-12-17	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	982	$65.53	$64,350	3,833,938
2025-12-17	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	46,287	$63.55	$2,941,539	3,870,670
2025-12-17	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	1,981	$66.30	$131,340	3,831,957
2025-12-16	PERRY MICHAEL S	Director	Award	7,819	—	—	123,059
2025-12-16	Waddill William D.	Director	Award	7,819	—	—	64,930
2025-12-16	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	166	$66.77	$11,084	3,920,178
2025-12-16	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	14,095	$62.12	$875,581	3,937,781
2025-12-16	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	6,661	$64.29	$428,236	3,922,644
2025-12-16	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	8,476	$62.94	$533,479	3,929,305
2025-12-16	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	3,221	$67.87	$218,609	3,916,957
2025-12-16	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	1,000	$64.96	$64,960	3,921,644
2025-12-16	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	8,416	$60.51	$509,252	3,962,839
2025-12-16	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	1,300	$65.77	$85,501	3,920,344
2025-12-16	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	10,963	$61.25	$671,484	3,951,876
2025-12-16	Ferrari Mauro	Director	Award	7,819	—	—	76,583
2025-12-16	Lu Hongbo	Director	Award	7,819	—	—	54,982
2025-12-16	Vakiener Victoria	Director	Award	7,819	—	—	45,763
2025-12-16	INGRAM DOUGLAS S	Director	Award	7,819	—	—	46,215
2025-12-16	OLUKOTUN ADEOYE Y	Director	Award	7,819	—	—	43,600
2025-12-15	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	8,147	$69.96	$569,964	3,971,255
2025-12-15	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	100,532	$68.67	$6,903,532	4,000,723
2025-12-15	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	21,321	$69.28	$1,477,119	3,979,402
2025-12-12	Anzalone Christopher Richard	Director, Chief Executive Officer	Award	180,000	—	—	4,101,255
2025-12-05	PERRY MICHAEL S	Director	Sell	16,250	$61.03	$991,738	115,240
2025-11-28	Ferrari Mauro	Director	Sell	8,750	$56.39	$493,413	68,764
2025-10-01	Hamilton James C	Chief Medical Officer	Sell	20,000	$35.00	$700,000	212,122
2025-09-12	Hamilton James C	Chief Medical Officer	Sell	15,000	$30.00	$450,000	232,122
2025-09-02	Hamilton James C	Chief Medical Officer	Sell	15,000	$25.00	$375,000	247,122
2025-08-15	Hamilton James C	Chief Medical Officer	Sell	9,389	$20.00	$187,780	262,122
2025-08-13	Hamilton James C	Chief Medical Officer	Sell	611	$20.00	$12,220	271,511
2025-04-15	Apel Daniel Joseph	Chief Financial Officer	Other	101,200	—	—	101,200
2025-04-11	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	50,800	$11.49	$583,692	3,921,255
2025-04-10	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	50,000	$10.87	$543,500	3,972,055
2025-04-09	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	35,305	$9.93	$350,579	4,027,072
2025-04-09	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	3,400	$10.75	$36,550	4,023,672
2025-04-09	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	1,617	$11.76	$19,016	4,022,055
2025-03-13	Anzalone Christopher Richard	Director, Chief Executive Officer	Award	340,000	—	—	4,113,802
2025-03-13	Anzalone Christopher Richard	Director, Chief Executive Officer	Sell	51,425	$15.07	$774,975	4,062,377