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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

114
Insider
Date
Role
Action
Shares
Price
Amount
PERRY MICHAEL S
18 Aug 2026
Director
Sell
11,600
$87.30
$1.01M
OLUKOTUN ADEOYE Y
18 Aug 2026
Director
Sell
2,000
$86.96
$173.92K
Anzalone Christopher Richard
17 Dec 2025
Chief Executive Officer
Sell
1,981
$66.30
$131.34K
Anzalone Christopher Richard
17 Dec 2025
Chief Executive Officer
Sell
982
$65.53
$64.35K
Anzalone Christopher Richard
17 Dec 2025
Chief Executive Officer
Sell
35,750
$64.51
$2.31M
Anzalone Christopher Richard
17 Dec 2025
Chief Executive Officer
Sell
46,287
$63.55
$2.94M
Anzalone Christopher Richard
16 Dec 2025
Chief Executive Officer
Sell
3,221
$67.87
$218.61K
Anzalone Christopher Richard
16 Dec 2025
Chief Executive Officer
Sell
166
$66.77
$11.08K
Anzalone Christopher Richard
16 Dec 2025
Chief Executive Officer
Sell
1,300
$65.77
$85.50K
Anzalone Christopher Richard
16 Dec 2025
Chief Executive Officer
Sell
1,000
$64.96
$64.96K
Anzalone Christopher Richard
16 Dec 2025
Chief Executive Officer
Sell
6,661
$64.29
$428.24K
Anzalone Christopher Richard
16 Dec 2025
Chief Executive Officer
Sell
8,476
$62.94
$533.48K
Anzalone Christopher Richard
16 Dec 2025
Chief Executive Officer
Sell
14,095
$62.12
$875.58K
Anzalone Christopher Richard
16 Dec 2025
Chief Executive Officer
Sell
10,963
$61.25
$671.48K
Anzalone Christopher Richard
16 Dec 2025
Chief Executive Officer
Sell
8,416
$60.51
$509.25K
Anzalone Christopher Richard
15 Dec 2025
Chief Executive Officer
Sell
8,147
$69.96
$569.96K
Anzalone Christopher Richard
15 Dec 2025
Chief Executive Officer
Sell
21,321
$69.28
$1.48M
Anzalone Christopher Richard
15 Dec 2025
Chief Executive Officer
Sell
100,532
$68.67
$6.90M
PERRY MICHAEL S
5 Dec 2025
Director
Sell
16,250
$61.03
$991.74K
Ferrari Mauro
28 Nov 2025
Director
Sell
8,750
$56.39
$493.41K
Anzalone Christopher Richard
11 Apr 2025
Chief Executive Officer
Sell
50,800
$11.49
$583.69K
Anzalone Christopher Richard
10 Apr 2025
Chief Executive Officer
Sell
50,000
$10.87
$543.50K
Anzalone Christopher Richard
9 Apr 2025
Chief Executive Officer
Sell
1,617
$11.76
$19.02K
Anzalone Christopher Richard
9 Apr 2025
Chief Executive Officer
Sell
3,400
$10.75
$36.55K
Anzalone Christopher Richard
9 Apr 2025
Chief Executive Officer
Sell
35,305
$9.93
$350.58K
Anzalone Christopher Richard
13 Mar 2025
Chief Executive Officer
Sell
51,425
$15.07
$774.97K
Hamilton James C
1 Apr 2024
Chief Discovery/Trans Medicine
Sell
6,000
$28.03
$168.18K
Myszkowski Kenneth Allen
6 Mar 2024
Chief Financial Officer
Sell
40,000
$35.19
$1.41M
Vakiener Victoria
28 Sep 2023
Director
Sell
1,550
$26.33
$40.81K
Oliver Tracie
3 Jul 2023
Chief Commercial Officer
Sell
8,925
$35.31
$315.14K
Hamilton James C
30 Jun 2023
Chief Discovery/Trans Medicine
Sell
3,000
$35.53
$106.59K
Myszkowski Kenneth Allen
27 Jun 2023
Chief Financial Officer
Sell
15,000
$36.20
$543.00K
GIVEN DOUGLAS B
5 May 2023
Director
Sell
6,500
$40.90
$265.85K
OLUKOTUN ADEOYE Y
3 Mar 2023
Director
Sell
11,350
$32.65
$370.58K
GIVEN DOUGLAS B
27 Feb 2023
Director
Sell indirect
875
$32.62
$28.54K
Waddill William D.
9 Jan 2023
Director
Sell
3,200
$30.00
$96.00K
Hamilton James C
5 Jan 2023
Chief Discovery/Trans Medicine
Sell
6,573
$37.40
$245.83K
Hamilton James C
5 Jan 2023
Chief Discovery/Trans Medicine
Sell
7,230
$37.40
$270.40K
O'Brien Patrick
5 Jan 2023
COO and General Counsel
Sell
7,500
$37.39
$280.43K
O'Brien Patrick
5 Jan 2023
COO and General Counsel
Sell
7,500
$37.39
$280.43K
Hamilton James C
3 Jan 2023
Chief Discovery/Trans Medicine
Sell
247
$40.52
$10.01K
Hamilton James C
3 Jan 2023
Chief Discovery/Trans Medicine
Sell
300
$39.56
$11.87K
Hamilton James C
3 Jan 2023
Chief Discovery/Trans Medicine
Sell
3,682
$38.52
$141.83K
Hamilton James C
3 Jan 2023
Chief Discovery/Trans Medicine
Sell
1,642
$37.49
$61.56K
Hamilton James C
3 Jan 2023
Chief Discovery/Trans Medicine
Sell
136
$40.54
$5.51K
Hamilton James C
3 Jan 2023
Chief Discovery/Trans Medicine
Sell
300
$39.74
$11.92K
Hamilton James C
3 Jan 2023
Chief Discovery/Trans Medicine
Sell
2,837
$38.53
$109.31K
Hamilton James C
3 Jan 2023
Chief Discovery/Trans Medicine
Sell
1,194
$37.46
$44.73K
O'Brien Patrick
3 Jan 2023
COO and General Counsel
Sell
270
$40.53
$10.94K
O'Brien Patrick
3 Jan 2023
COO and General Counsel
Sell
300
$39.55
$11.87K
O'Brien Patrick
3 Jan 2023
COO and General Counsel
Sell
5,286
$38.58
$203.93K
O'Brien Patrick
3 Jan 2023
COO and General Counsel
Sell
2,894
$37.58
$108.76K
O'Brien Patrick
3 Jan 2023
COO and General Counsel
Sell
70
$40.80
$2.86K
O'Brien Patrick
3 Jan 2023
COO and General Counsel
Sell
500
$39.74
$19.87K
O'Brien Patrick
3 Jan 2023
COO and General Counsel
Sell
5,527
$38.54
$213.01K
O'Brien Patrick
3 Jan 2023
COO and General Counsel
Sell
2,653
$37.53
$99.57K
Myszkowski Kenneth Allen
29 Dec 2022
Chief Financial Officer
Sell
30,625
$40.00
$1.23M
San Martin Javier
21 Nov 2022
Chief Medical Officer
Sell
200
$30.62
$6.12K
San Martin Javier
21 Nov 2022
Chief Medical Officer
Sell
19,300
$29.98
$578.61K
Hamilton James C
5 Jan 2022
Senior Vice President
Sell
60
$64.35
$3.86K
Hamilton James C
5 Jan 2022
Senior Vice President
Sell
700
$63.68
$44.58K
Hamilton James C
5 Jan 2022
Senior Vice President
Sell
1,100
$62.64
$68.90K
Hamilton James C
5 Jan 2022
Senior Vice President
Sell
2,100
$61.84
$129.86K
Hamilton James C
5 Jan 2022
Senior Vice President
Sell
2,290
$60.51
$138.57K
Myszkowski Kenneth Allen
5 Jan 2022
Chief Financial Officer
Sell
3,786
$63.95
$242.11K
Myszkowski Kenneth Allen
5 Jan 2022
Chief Financial Officer
Sell
3,778
$63.17
$238.66K
Myszkowski Kenneth Allen
5 Jan 2022
Chief Financial Officer
Sell
16,528
$62.00
$1.02M
Myszkowski Kenneth Allen
5 Jan 2022
Chief Financial Officer
Sell
15,908
$60.50
$962.43K
O'Brien Patrick
5 Jan 2022
General Counsel
Sell
316
$64.35
$20.33K
O'Brien Patrick
5 Jan 2022
General Counsel
Sell
4,400
$63.75
$280.50K
O'Brien Patrick
5 Jan 2022
General Counsel
Sell
5,000
$62.49
$312.45K
O'Brien Patrick
5 Jan 2022
General Counsel
Sell
10,350
$61.88
$640.46K
O'Brien Patrick
5 Jan 2022
General Counsel
Sell
12,434
$60.49
$752.13K
Hamilton James C
4 Jan 2022
Senior Vice President
Sell
500
$69.38
$34.69K
Hamilton James C
4 Jan 2022
Senior Vice President
Sell
649
$68.12
$44.21K
Hamilton James C
4 Jan 2022
Senior Vice President
Sell
802
$67.39
$54.05K
Hamilton James C
4 Jan 2022
Senior Vice President
Sell
7,469
$65.59
$489.89K
Hamilton James C
4 Jan 2022
Senior Vice President
Sell
9,955
$64.89
$645.98K
PERRY MICHAEL S
3 Jan 2022
Director
Sell
272
$66.25
$18.02K
PERRY MICHAEL S
3 Jan 2022
Director
Sell
1,600
$65.12
$104.19K
PERRY MICHAEL S
3 Jan 2022
Director
Sell
2,628
$64.30
$168.98K
De Backer Marianne
3 Jan 2022
Director
Sell
272
$66.25
$18.02K
De Backer Marianne
3 Jan 2022
Director
Sell
1,984
$65.01
$128.98K
De Backer Marianne
3 Jan 2022
Director
Sell
2,244
$64.25
$144.18K
OLUKOTUN ADEOYE Y
3 Jan 2022
Director
Sell
244
$66.25
$16.17K
OLUKOTUN ADEOYE Y
3 Jan 2022
Director
Sell
1,916
$65.04
$124.62K
OLUKOTUN ADEOYE Y
3 Jan 2022
Director
Sell
1,890
$64.26
$121.45K
Waddill William D.
3 Jan 2022
Director
Sell
272
$66.25
$18.02K
Waddill William D.
3 Jan 2022
Director
Sell
2,128
$65.01
$138.34K
Waddill William D.
3 Jan 2022
Director
Sell
2,100
$64.23
$134.88K
Ferrari Mauro
28 Dec 2021
Director
Sell
3,400
$66.82
$227.19K
Anzalone Christopher Richard
15 Dec 2021
Chief Executive Officer
Sell
6,989
$70.19
$490.56K
Anzalone Christopher Richard
15 Dec 2021
Chief Executive Officer
Sell
9,223
$69.52
$641.18K
Anzalone Christopher Richard
15 Dec 2021
Chief Executive Officer
Sell
3,074
$68.20
$209.65K
Anzalone Christopher Richard
15 Dec 2021
Chief Executive Officer
Sell
14,857
$67.19
$998.24K
Anzalone Christopher Richard
15 Dec 2021
Chief Executive Officer
Sell
25,857
$66.28
$1.71M
San Martin Javier
19 Nov 2021
Chief Medical Officer
Sell
100
$70.99
$7.10K
San Martin Javier
19 Nov 2021
Chief Medical Officer
Sell
5,696
$70.01
$398.78K
San Martin Javier
19 Nov 2021
Chief Medical Officer
Sell
13,704
$69.01
$945.71K
Anzalone Christopher Richard
22 Oct 2021
Chief Executive Officer
Sell
5,830
$66.09
$385.30K
Anzalone Christopher Richard
22 Oct 2021
Chief Executive Officer
Sell
44,170
$65.57
$2.90M
Anzalone Christopher Richard
20 Oct 2021
Chief Executive Officer
Sell
15,000
$66.23
$993.45K
OLUKOTUN ADEOYE Y
13 Sep 2021
Director
Sell
2,750
$63.76
$175.34K
OLUKOTUN ADEOYE Y
13 Sep 2021
Director
Sell
2,250
$63.76
$143.46K
GIVEN DOUGLAS B
9 Sep 2021
Director
Sell
5,000
$65.24
$326.20K
De Backer Marianne
24 Jun 2021
Director
Sell
5,000
$89.85
$449.25K
GIVEN DOUGLAS B
22 Jun 2021
Director
Sell
4,500
$89.21
$401.45K
Hassard James
22 Jun 2021
Chief Commercial Officer
Sell
3,625
$89.22
$323.42K
GIVEN DOUGLAS B
22 Feb 2021
Director
Sell indirect
1,125
$88.73
$99.82K
GIVEN DOUGLAS B
15 Jan 2021
Director
Sell indirect
3,000
$83.28
$249.84K
Hamilton James C
14 Jan 2021
Senior Vice President
Sell
3,814
$81.82
$312.06K
Hamilton James C
14 Jan 2021
Senior Vice President
Sell
6,186
$80.97
$500.88K
Myszkowski Kenneth Allen
12 Jan 2021
Chief Financial Officer
Sell
1,441
$81.00
$116.72K
Myszkowski Kenneth Allen
11 Jan 2021
Chief Financial Officer
Sell
11,597
$81.02
$939.59K
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