LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM

ARWRCIK 0000879407

ARROWHEAD PHARMACEUTICALS, INC.

90 transactions by 12 insiders, from November 28, 2025 to August 18, 2026.

Transactions: 9012 insiders
Bought · P: Nonenobody bought on the open market
Sold · S: $37.3Mopen market
Net: −$37.3Mnet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

Insider	Trades	Planned	Bought	Sold
Christopher Richard AnzaloneCEO	30	13/30	—	$24.0M
Patrick O'BrienCOO	23	17/23	—	$3.1M
James C. HamiltonCMO	10	9/10	—	$3.9M
Adeoye Y. OlukotunDir	5	3/5	—	$851K
William D. WaddillDir	4	3/4	—	$566K
Daniel Joseph ApelCFO	4	3/4	—	$934K
Victoria VakienerDir	4	3/4	—	$679K
Michael S. PerryDir	3	—	—	$2.0M
Mauro FerrariDir	3	1/3	—	$1.0M
Hongbo LuDir	2	1/2	—	$228K
Matthew Gregory CohenDir	1	—	—	—
Douglas S. IngramDir	1	—	—	—

All transactions

90 in total, newest filings first.

Insider	Date	Code	Shares	Price	Value
Michael S. PerryDir	Aug 18	S	11,600	$87.30	$1.0M
Adeoye Y. OlukotunDir	Aug 18	S	2,000	$86.96	$174K
Matthew Gregory CohenDir	Jun 15	A	11,882	$0.00	—
Hongbo LuDir	May 12	SPLAN	2,970	$76.88	$228K
James C. HamiltonCMO	Apr 23	SPLAN	10,000	$75.00	$750K
Daniel Joseph ApelCFO	Apr 22	SPLAN	8,730	$71.92	$628K
Daniel Joseph ApelCFO	Apr 22	SPLAN	1,157	$70.45	$82K
Daniel Joseph ApelCFO	Apr 22	SPLAN	3,208	$70.11	$225K
James C. HamiltonCMO	Mar 5	SPLAN	10,000	$64.19	$642K
Daniel Joseph ApelCFO	Jan 6	A	75,000	$0.00	—
James C. HamiltonCMO	Jan 6	A	75,000	$0.00	—
Patrick O'BrienCOO	Jan 6	A	75,000	$0.00	—
Patrick O'BrienCOO	Jan 6	G	440	$0.00	—
Patrick O'BrienCOO	Jan 6	G	440	$0.00	—
Patrick O'BrienCOO	Jan 6	G	540	$0.00	—
Patrick O'BrienCOO	Jan 6	G	540	$0.00	—
Patrick O'BrienCOO	Jan 6	G	540	$0.00	—
James C. HamiltonCMO	Jan 5	SPLAN	309	$68.00	$21K
James C. HamiltonCMO	Jan 5	SPLAN	437	$65.97	$29K
James C. HamiltonCMO	Jan 5	SPLAN	1,200	$64.49	$77K
James C. HamiltonCMO	Jan 5	SPLAN	12,711	$63.95	$813K
James C. HamiltonCMO	Jan 5	SPLAN	14,792	$63.01	$932K
James C. HamiltonCMO	Jan 5	SPLAN	6,090	$62.28	$379K
James C. HamiltonCMO	Jan 5	SPLAN	4,625	$61.24	$283K
Patrick O'BrienCOO	Jan 5	SPLAN	46	$68.00	$3K
Patrick O'BrienCOO	Jan 5	SPLAN	2,336	$64.04	$150K
Patrick O'BrienCOO	Jan 5	SPLAN	5,873	$62.91	$369K
Patrick O'BrienCOO	Jan 5	SPLAN	900	$62.25	$56K
Patrick O'BrienCOO	Jan 5	SPLAN	600	$61.12	$37K
Patrick O'BrienCOO	Jan 5	SPLAN	313	$68.00	$21K
Patrick O'BrienCOO	Jan 5	SPLAN	900	$66.01	$59K
Patrick O'BrienCOO	Jan 5	SPLAN	2,700	$64.44	$174K
Patrick O'BrienCOO	Jan 5	SPLAN	11,842	$63.84	$756K
Patrick O'BrienCOO	Jan 5	SPLAN	13,451	$62.96	$847K
Patrick O'BrienCOO	Jan 5	SPLAN	6,164	$62.23	$384K
Patrick O'BrienCOO	Jan 5	SPLAN	4,368	$61.20	$267K
Patrick O'BrienCOO	Dec 31	GPLAN	560	$0.00	—
Patrick O'BrienCOO	Dec 31	GPLAN	560	$0.00	—
Patrick O'BrienCOO	Dec 31	GPLAN	560	$0.00	—
Patrick O'BrienCOO	Dec 31	GPLAN	560	$0.00	—
Patrick O'BrienCOO	Dec 31	GPLAN	560	$0.00	—
Christopher Richard AnzaloneCEO	Jan 2	SPLAN	5,771	$66.39	$383K
Christopher Richard AnzaloneCEO	Jan 2	SPLAN	7,416	$65.88	$489K
Mauro FerrariDir	Dec 26	SPLAN	7,530	$70.00	$527K
Christopher Richard AnzaloneCEODERIV	Dec 29	MPLAN	16,545	$0.00	—?
Christopher Richard AnzaloneCEODERIV	Dec 29	MPLAN	35,181	$0.00	—?
Christopher Richard AnzaloneCEO	Dec 29	SPLAN	16,545	$68.69	$1.1M
Christopher Richard AnzaloneCEO	Dec 29	SPLAN	35,181	$69.33	$2.4M
Christopher Richard AnzaloneCEO	Dec 29	MPLAN	16,545	$6.15	$102K
Christopher Richard AnzaloneCEO	Dec 29	MPLAN	35,181	$6.15	$216K
Victoria VakienerDir	Dec 19	SPLAN	1,960	$68.39	$134K
Victoria VakienerDir	Dec 19	SPLAN	5,281	$67.97	$359K
Victoria VakienerDir	Dec 19	SPLAN	2,799	$66.63	$186K
William D. WaddillDir	Dec 19	SPLAN	500	$68.53	$34K
William D. WaddillDir	Dec 19	SPLAN	5,451	$68.01	$371K
William D. WaddillDir	Dec 19	SPLAN	2,416	$66.66	$161K
Christopher Richard AnzaloneCEO	Dec 22	SPLAN	2,574	$68.85	$177K
Christopher Richard AnzaloneCEO	Dec 22	SPLAN	10,012	$68.33	$684K
Christopher Richard AnzaloneCEO	Dec 19	SPLAN	1,319	$68.48	$90K
Christopher Richard AnzaloneCEO	Dec 19	SPLAN	8,147	$68.01	$554K
Christopher Richard AnzaloneCEO	Dec 19	SPLAN	3,979	$66.67	$265K
Adeoye Y. OlukotunDir	Dec 19	SPLAN	827	$68.48	$57K
Adeoye Y. OlukotunDir	Dec 19	SPLAN	6,083	$68.04	$414K
Adeoye Y. OlukotunDir	Dec 19	SPLAN	3,090	$66.70	$206K
Christopher Richard AnzaloneCEO	Dec 17	S	1,981	$66.30	$131K
Christopher Richard AnzaloneCEO	Dec 17	S	982	$65.53	$64K
Christopher Richard AnzaloneCEO	Dec 17	S	35,750	$64.51	$2.3M
Christopher Richard AnzaloneCEO	Dec 17	S	46,287	$63.55	$2.9M
Victoria VakienerDir	Dec 16	A	7,819	$0.00	—
Hongbo LuDir	Dec 16	A	7,819	$0.00	—
William D. WaddillDir	Dec 16	A	7,819	$0.00	—
Mauro FerrariDir	Dec 16	A	7,819	$0.00	—
Michael S. PerryDir	Dec 16	A	7,819	$0.00	—
Adeoye Y. OlukotunDir	Dec 16	A	7,819	$0.00	—
Douglas S. IngramDir	Dec 16	A	7,819	$0.00	—
Christopher Richard AnzaloneCEO	Dec 16	S	3,221	$67.87	$219K
Christopher Richard AnzaloneCEO	Dec 16	S	166	$66.77	$11K
Christopher Richard AnzaloneCEO	Dec 16	S	1,300	$65.77	$86K
Christopher Richard AnzaloneCEO	Dec 16	S	1,000	$64.96	$65K
Christopher Richard AnzaloneCEO	Dec 16	S	6,661	$64.29	$428K
Christopher Richard AnzaloneCEO	Dec 16	S	8,476	$62.94	$533K
Christopher Richard AnzaloneCEO	Dec 16	S	14,095	$62.12	$876K
Christopher Richard AnzaloneCEO	Dec 16	S	10,963	$61.25	$671K
Christopher Richard AnzaloneCEO	Dec 16	S	8,416	$60.51	$509K
Christopher Richard AnzaloneCEO	Dec 15	S	8,147	$69.96	$570K
Christopher Richard AnzaloneCEO	Dec 15	S	21,321	$69.28	$1.5M
Christopher Richard AnzaloneCEO	Dec 15	S	100,532	$68.67	$6.9M
Christopher Richard AnzaloneCEO	Dec 12	A	180,000	$0.00	—
Michael S. PerryDir	Dec 5	S	16,250	$61.03	$992K
Mauro FerrariDir	Nov 28	S	8,750	$56.39	$493K