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ARROWHEAD PHARMACEUTICALS, INC.

ARWR Net selling
CIK 0000879407 #848 in the set updated 17 Sep 2026
Bought (120 mo)
$311.17K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$216.78M
$25.18M on a plan · $63.72M straight out of an exercise
Sold at will
$127.88M
210 of 391 sales
Net
−$216.47M
−$127.57M against sales at will

By person

23 insiders · 428 transactions
337×

Christopher Anzalone holds 337 times base salary in stock. $331.11M of shares against $981.05K in salary for 2025.

Salary from the company's own proxy. The shares are what Christopher Anzalone last reported holding, valued at $87.30, the price Common Stock was last bought or sold at on the open market here, on 18 Aug 2026.

Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Anzalone Christopher Richard
Chief Executive Officer
—
$108.95M (106)
−$108.95M
3,792,739
$331.11M
+223.4%
Myszkowski Kenneth Allen
Chief Financial Officer
—
$23.21M (43)
−$23.21M
455,433
$39.76M
+19,305%
O'Brien Patrick
COO
—
$20.67M (50) scheduled
−$20.67M
547,408
$47.79M
+1,725%
Hamilton James C
Chief Medical Officer
—
$14.39M (56) scheduled
−$14.39M
226,958
$19.81M
+91.1%
GIVEN BRUCE D
Chief Operating Officer
—
$14.16M (34) scheduled
−$14.16M
850,730
$74.27M
+116.3%
PERRY MICHAEL S
Director
—
$9.33M (10)
−$9.33M
201,459
$17.59M
+22.1%
GIVEN DOUGLAS B
Director
$43.47K (1)
$5.26M (21)
−$5.21M
137,167
$11.97M
+103.8%
San Martin Javier
Chief Medical Officer
—
$4.15M (11)
−$4.15M
198,497
$17.33M
+32.3%
Waddill William D.
Director
—
$2.84M (16)
−$2.84M
56,563
$4.94M
+1,885,333%
Ferrari Mauro
Director
—
$2.34M (7)
−$2.34M
69,053
$6.03M
—
Bradshaw Curt
Chief Scientific Officer
—
$2.16M (2)
−$2.16M
0
$0.00
−100.0%
OLUKOTUN ADEOYE Y
Director
—
$1.88M (12)
−$1.88M
31,600
$2.76M
+531.6%
Leone Peter Brian
VP, Strategic Bus. Initiatives
—
$1.77M (1) scheduled
−$1.77M
130,000
$11.35M
—
Hassard James
Chief Commercial Officer
—
$1.50M (2)
−$1.50M
105,750
$9.23M
−15.4%
Vakiener Victoria
Director
—
$1.14M (8) scheduled
−$1.14M
35,723
$3.12M
+107.9%
Apel Daniel Joseph
Chief Financial Officer
—
$934.29K (3) scheduled
−$934.29K
162,905
$14.22M
+61.3%
Li Zhen
Snr. VP, Chem and Non-Clin Dev
—
$580.77K (1)
−$580.77K
201,700
$17.61M
+20.6%
De Backer Marianne
Director
$184.71K (10)
$740.43K (4)
−$555.72K
31,267
$2.73M
+525.3%
Oliver Tracie
Chief Commercial Officer
—
$555.13K (3)
−$555.13K
127,107
$11.10M
+81.6%
Lu Hongbo
Director
$82.99K (3)
$228.33K (1) scheduled
−$145.34K
52,012
$4.54M
+89.6%
FRYKMAN EDWARD W
Director
—
—
—
148,852
$12.99M
+101.6%
INGRAM DOUGLAS S
Director
—
—
—
46,215
$4.03M
—
Cohen Matthew Gregory
Director
—
—
—
11,882
$1.04M
—

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Individual transactions

108
Insider
Date
Role
Action
Shares
Price
Amount
Lu Hongbo
12 May 2026
Director
Sold on a plan
2,970
$76.88
$228.33K
Hamilton James C
23 Apr 2026
Chief Medical Officer
Sold on a plan
10,000
$75.00
$750.00K
Apel Daniel Joseph
22 Apr 2026
Chief Financial Officer
Sold on a plan
8,730
$71.92
$627.86K
Apel Daniel Joseph
22 Apr 2026
Chief Financial Officer
Sold on a plan
1,157
$70.45
$81.51K
Apel Daniel Joseph
22 Apr 2026
Chief Financial Officer
Sold on a plan
3,208
$70.11
$224.91K
Hamilton James C
5 Mar 2026
Chief Medical Officer
Sold on a plan
10,000
$64.19
$641.90K
Hamilton James C
5 Jan 2026
Chief Medical Officer
Sold on a plan
309
$68.00
$21.01K
Hamilton James C
5 Jan 2026
Chief Medical Officer
Sold on a plan
437
$65.97
$28.83K
Hamilton James C
5 Jan 2026
Chief Medical Officer
Sold on a plan
1,200
$64.49
$77.39K
Hamilton James C
5 Jan 2026
Chief Medical Officer
Sold on a plan
12,711
$63.95
$812.87K
Hamilton James C
5 Jan 2026
Chief Medical Officer
Sold on a plan
14,792
$63.01
$932.04K
Hamilton James C
5 Jan 2026
Chief Medical Officer
Sold on a plan
6,090
$62.28
$379.29K
Hamilton James C
5 Jan 2026
Chief Medical Officer
Sold on a plan
4,625
$61.24
$283.24K
O'Brien Patrick
5 Jan 2026
COO
Sold on a plan
46
$68.00
$3.13K
O'Brien Patrick
5 Jan 2026
COO
Sold on a plan
2,336
$64.04
$149.60K
O'Brien Patrick
5 Jan 2026
COO
Sold on a plan
5,873
$62.91
$369.47K
O'Brien Patrick
5 Jan 2026
COO
Sold on a plan
900
$62.25
$56.03K
O'Brien Patrick
5 Jan 2026
COO
Sold on a plan
600
$61.12
$36.67K
O'Brien Patrick
5 Jan 2026
COO
Sold on a plan
313
$68.00
$21.28K
O'Brien Patrick
5 Jan 2026
COO
Sold on a plan
900
$66.01
$59.41K
O'Brien Patrick
5 Jan 2026
COO
Sold on a plan
2,700
$64.44
$173.99K
O'Brien Patrick
5 Jan 2026
COO
Sold on a plan
11,842
$63.84
$755.99K
O'Brien Patrick
5 Jan 2026
COO
Sold on a plan
13,451
$62.96
$846.87K
O'Brien Patrick
5 Jan 2026
COO
Sold on a plan
6,164
$62.23
$383.59K
O'Brien Patrick
5 Jan 2026
COO
Sold on a plan
4,368
$61.20
$267.32K
Anzalone Christopher Richard
2 Jan 2026
Chief Executive Officer
Sold on a plan
5,771
$66.39
$383.14K
Anzalone Christopher Richard
2 Jan 2026
Chief Executive Officer
Sold on a plan
7,416
$65.88
$488.57K
Ferrari Mauro
26 Dec 2025
Director
Sold on a plan
7,530
$70.00
$527.10K
Anzalone Christopher Richard
22 Dec 2025
Chief Executive Officer
Sold on a plan
2,574
$68.85
$177.22K
Anzalone Christopher Richard
22 Dec 2025
Chief Executive Officer
Sold on a plan
10,012
$68.33
$684.12K
OLUKOTUN ADEOYE Y
19 Dec 2025
Director
Sold on a plan
827
$68.48
$56.63K
OLUKOTUN ADEOYE Y
19 Dec 2025
Director
Sold on a plan
6,083
$68.04
$413.89K
OLUKOTUN ADEOYE Y
19 Dec 2025
Director
Sold on a plan
3,090
$66.70
$206.10K
Anzalone Christopher Richard
19 Dec 2025
Chief Executive Officer
Sold on a plan
1,319
$68.48
$90.33K
Anzalone Christopher Richard
19 Dec 2025
Chief Executive Officer
Sold on a plan
8,147
$68.01
$554.08K
Anzalone Christopher Richard
19 Dec 2025
Chief Executive Officer
Sold on a plan
3,979
$66.67
$265.28K
Vakiener Victoria
19 Dec 2025
Director
Sold on a plan
1,960
$68.39
$134.04K
Vakiener Victoria
19 Dec 2025
Director
Sold on a plan
5,281
$67.97
$358.95K
Vakiener Victoria
19 Dec 2025
Director
Sold on a plan
2,799
$66.63
$186.50K
Waddill William D.
19 Dec 2025
Director
Sold on a plan
500
$68.53
$34.27K
Waddill William D.
19 Dec 2025
Director
Sold on a plan
5,451
$68.01
$370.72K
Waddill William D.
19 Dec 2025
Director
Sold on a plan
2,416
$66.66
$161.05K
Hamilton James C
1 Oct 2025
Chief Medical Officer
Sold on a plan
20,000
$35.00
$700.00K
Hamilton James C
12 Sep 2025
Chief Medical Officer
Sold on a plan
15,000
$30.00
$450.00K
Hamilton James C
2 Sep 2025
Chief Medical Officer
Sold on a plan
15,000
$25.00
$375.00K
Hamilton James C
15 Aug 2025
Chief Medical Officer
Sold on a plan
9,389
$20.00
$187.78K
Hamilton James C
13 Aug 2025
Chief Medical Officer
Sold on a plan
611
$20.00
$12.22K
OLUKOTUN ADEOYE Y
23 Jan 2025
Director
Sold on a plan
959
$21.00
$20.14K
Myszkowski Kenneth Allen
7 Jan 2025
Chief Financial Officer
Sold on a plan
10,000
$19.69
$196.90K
Myszkowski Kenneth Allen
7 Jan 2025
Chief Financial Officer
Sold on a plan
8,000
$19.70
$157.60K
O'Brien Patrick
7 Jan 2025
COO and General Counsel
Sold on a plan
8,000
$19.69
$157.52K
Myszkowski Kenneth Allen
6 Jan 2025
Chief Financial Officer
Sold on a plan
9,402
$20.10
$188.98K
Myszkowski Kenneth Allen
6 Jan 2025
Chief Financial Officer
Sold on a plan
17,765
$19.68
$349.62K
O'Brien Patrick
6 Jan 2025
COO and General Counsel
Sold on a plan
9,526
$20.10
$191.47K
O'Brien Patrick
6 Jan 2025
COO and General Counsel
Sold on a plan
19,658
$19.69
$387.07K
Hamilton James C
6 Jan 2025
Chief Discovery/Trans Medicine
Sold on a plan
10,971
$20.11
$220.63K
Hamilton James C
6 Jan 2025
Chief Discovery/Trans Medicine
Sold on a plan
21,758
$19.68
$428.20K
Anzalone Christopher Richard
2 Jan 2025
Chief Executive Officer
Sold on a plan
11,520
$19.05
$219.46K
OLUKOTUN ADEOYE Y
27 Dec 2024
Director
Sold on a plan
2,850
$20.00
$57.00K
Anzalone Christopher Richard
23 Dec 2024
Chief Executive Officer
Sold on a plan
12,563
$19.59
$246.11K
Anzalone Christopher Richard
18 Dec 2024
Chief Executive Officer
Sold on a plan
5,799
$22.12
$128.27K
Anzalone Christopher Richard
18 Dec 2024
Chief Executive Officer
Sold on a plan
8,260
$21.74
$179.57K
Anzalone Christopher Richard
18 Dec 2024
Chief Executive Officer
Sold on a plan
12,653
$20.52
$259.64K
GIVEN DOUGLAS B
17 Dec 2024
Director
Sold on a plan
547
$22.04
$12.06K
Waddill William D.
17 Dec 2024
Director
Sold on a plan
3,747
$22.04
$82.58K
Vakiener Victoria
16 Dec 2024
Director
Sold on a plan
8,994
$21.91
$197.06K
GIVEN DOUGLAS B
16 Dec 2024
Director
Sold on a plan
5,000
$21.90
$109.50K
Waddill William D.
16 Dec 2024
Director
Sold on a plan
3,748
$21.90
$82.08K
Oliver Tracie
2 Jul 2024
Chief Commercial Officer
Sold on a plan
9,394
$25.28
$237.48K
Vakiener Victoria
2 May 2024
Director
Sold on a plan
1,799
$23.31
$41.93K
Hamilton James C
12 Jan 2024
Chief Discovery/Trans Medicine
Sold on a plan
3,702
$37.37
$138.34K
Hamilton James C
12 Jan 2024
Chief Discovery/Trans Medicine
Sold on a plan
4,238
$36.47
$154.56K
Vakiener Victoria
11 Jan 2024
Director
Sold on a plan
1,100
$38.84
$42.72K
Vakiener Victoria
11 Jan 2024
Director
Sold on a plan
3,620
$37.87
$137.09K
Ferrari Mauro
11 Jan 2024
Director
Sold on a plan
1,000
$38.63
$38.63K
Ferrari Mauro
11 Jan 2024
Director
Sold on a plan
2,147
$37.80
$81.16K
Waddill William D.
11 Jan 2024
Director
Sold on a plan
1,300
$38.59
$50.17K
Waddill William D.
11 Jan 2024
Director
Sold on a plan
2,634
$37.81
$99.59K
GIVEN DOUGLAS B
11 Jan 2024
Director
Sold on a plan
1,100
$38.55
$42.41K
GIVEN DOUGLAS B
11 Jan 2024
Director
Sold on a plan
1,811
$37.76
$68.38K
O'Brien Patrick
5 Jan 2024
COO and General Counsel
Sold on a plan
12,741
$35.65
$454.22K
O'Brien Patrick
5 Jan 2024
COO and General Counsel
Sold on a plan
8,200
$34.99
$286.92K
O'Brien Patrick
5 Jan 2024
COO and General Counsel
Sold on a plan
1,900
$33.99
$64.58K
Hamilton James C
5 Jan 2024
Chief Discovery/Trans Medicine
Sold on a plan
10,000
$35.00
$350.00K
Hamilton James C
5 Jan 2024
Chief Discovery/Trans Medicine
Sold on a plan
12,343
$35.65
$440.03K
Hamilton James C
5 Jan 2024
Chief Discovery/Trans Medicine
Sold on a plan
8,000
$34.94
$279.52K
Hamilton James C
5 Jan 2024
Chief Discovery/Trans Medicine
Sold on a plan
1,800
$34.00
$61.20K
San Martin Javier
5 Jan 2024
Chief Medical Officer
Sold on a plan
4,403
$35.64
$156.92K
San Martin Javier
5 Jan 2024
Chief Medical Officer
Sold on a plan
3,100
$35.03
$108.59K
San Martin Javier
5 Jan 2024
Chief Medical Officer
Sold on a plan
800
$34.11
$27.29K
Myszkowski Kenneth Allen
5 Jan 2024
Chief Financial Officer
Sold on a plan
8,904
$35.65
$317.43K
Myszkowski Kenneth Allen
5 Jan 2024
Chief Financial Officer
Sold on a plan
5,800
$34.97
$202.83K
Myszkowski Kenneth Allen
5 Jan 2024
Chief Financial Officer
Sold on a plan
1,400
$34.04
$47.66K
Oliver Tracie
5 Jan 2024
Chief Commercial Officer
Sold on a plan
74
$33.89
$2.51K
O'Brien Patrick
4 Jan 2024
COO and General Counsel
Sold on a plan
1,600
$32.63
$52.21K
O'Brien Patrick
3 Jan 2024
COO and General Counsel
Sold on a plan
1,700
$32.65
$55.51K
O'Brien Patrick
3 Jan 2024
COO and General Counsel
Sold on a plan
400
$33.41
$13.36K
O'Brien Patrick
3 Jan 2024
COO and General Counsel
Sold on a plan
2,800
$32.52
$91.06K
O'Brien Patrick
3 Jan 2024
COO and General Counsel
Sold on a plan
3,849
$31.83
$122.51K
Hamilton James C
3 Jan 2024
Chief Discovery/Trans Medicine
Sold on a plan
500
$33.30
$16.65K
Hamilton James C
3 Jan 2024
Chief Discovery/Trans Medicine
Sold on a plan
2,300
$32.52
$74.80K
Hamilton James C
3 Jan 2024
Chief Discovery/Trans Medicine
Sold on a plan
3,500
$31.81
$111.34K
Anzalone Christopher Richard
2 Jan 2024
Chief Executive Officer
Sold on a plan
5,318
$31.25
$166.19K
Anzalone Christopher Richard
2 Jan 2024
Chief Executive Officer
Sold on a plan
4,634
$30.74
$142.45K
Anzalone Christopher Richard
20 Dec 2023
Chief Executive Officer
Sold on a plan
12,000
$28.54
$342.48K
San Martin Javier
20 Nov 2023
Chief Medical Officer
Sold on a plan
4,942
$29.00
$143.32K
San Martin Javier
20 Nov 2023
Chief Medical Officer
Sold on a plan
14,758
$28.73
$424.00K
Anzalone Christopher Richard
25 Oct 2023
Chief Executive Officer
Sold on a plan
24,338
$24.21
$589.22K
Showing 250 of 428 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 275
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 108
Sales straight out of an exercise 73
Sales at will 210
Transactions with no price 0
Shares from compensation/vesting 12,981,410
Sales filed before the plan box existed 177
History held since 18 Oct 2016