Dudediligence.

Arrowhead Pharmaceuticals, Inc

ARWRNASDAQ · Pharmaceutical Preparations
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$37.3M

21 notices · 560,501 sh

Oct 2025 to Oct 2026

Reported ·

$36.2M

62 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

44 of 62 reported sales carry the 10b5-1 box. Together they are 0.39% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-08-18: Adeoye Olukotun, Form 1442026-08-18: Michael Perry, Form 1442026-04-22: Daniel Apel, Form 1442026-05-12: Hongbo Lu, Form 1442026-04-23: James Hamilton, Form 1442026-03-05: James Hamilton, Form 1442026-01-05: James Hamilton, Form 1442026-01-05: Patrick O'Brien, Form 1442026-01-02: Christopher Anzalone, Form 1442025-12-29: Christopher Anzalone, Form 1442025-12-26: Mauro Ferrari, Form 1442025-12-22: Christopher Anzalone, Form 1442025-12-19: Christopher Anzalone, Form 1442025-12-19: William Waddill, Form 1442025-12-19: Adeoye Olukotun, Form 1442025-12-19: Victoria Vakiener, Form 1442025-12-17: Christopher Anzalone, Form 1442025-12-16: Christopher Anzalone, Form 1442025-12-15: Christopher Anzalone, Form 1442025-12-05: Michael Perry, Form 1442025-11-28: Mauro Ferrari, Form 1442025-11-28: Ferrari Mauro, sold2025-12-05: PERRY MICHAEL S, sold2025-12-15: Anzalone Christopher Richard, sold2025-12-17: Anzalone Christopher Richard, sold2025-12-19: OLUKOTUN ADEOYE Y, sold2025-12-19: Anzalone Christopher Richard, sold2025-12-19: Waddill William D., sold2025-12-19: Vakiener Victoria, sold2025-12-26: Ferrari Mauro, sold2025-12-29: Anzalone Christopher Richard, sold2026-01-02: Anzalone Christopher Richard, sold2026-01-05: O'Brien Patrick, sold2026-01-05: Hamilton James C, sold2026-03-05: Hamilton James C, sold2026-04-22: Apel Daniel Joseph, sold2026-04-23: Hamilton James C, sold2026-05-12: Lu Hongbo, sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-08-18Adeoye Olukotun, Director$173,876
2,000 shplan 2026-01-14Form 4s on file end Jun 23144 ↗
2026-08-18Michael Perry, Director$1,012,172
11,600 shno plan dateForm 4s on file end Jun 23144 ↗
2026-05-12Hongbo Lu, Officer$228,299
2,970 shplan 2026-01-14144 ↗
Form 4, 2026-05-14: sold 2,970 at $76.88 Form 4 ↗
2026-04-23James Hamilton, Chief Medical Officer$749,998
10,000 shplan 2025-12-02144 ↗
Form 4, 2026-04-24: sold 10,000 at $75.00 Form 4 ↗
2026-04-22Daniel Apel, Chief Financial Officer$934,206
13,095 shplan 2025-09-16144 ↗
Form 4, 2026-04-24: sold 13,095 at $71.35 Form 4 ↗
2026-03-05James Hamilton, Chief Medical Officer$641,870
10,000 shplan 2025-12-02144 ↗
Form 4, 2026-03-09: sold 10,000 at $64.19 Form 4 ↗
2026-01-05James Hamilton, Chief Medical Officer$2,534,478
40,164 shplan 2025-09-03144 ↗
Form 4, 2026-01-05: sold 40,164 at $63.11 Form 4 ↗
2026-01-05Patrick O'Brien, COO$3,123,172
49,493 shplan 2025-09-03144 ↗
Form 4, 2026-01-05: sold 49,493 at $63.11 Form 4 ↗
2026-01-02Christopher Anzalone, Chief Executive Officer$871,668
13,187 shplan 2024-09-16144 ↗
Form 4, 2026-01-05: sold 13,187 at $66.10 Form 4 ↗
2025-12-29Christopher Anzalone, Chief Executive Officer$3,575,575
51,726 shplan 2024-08-16144 ↗
Form 4, 2025-12-30: sold 51,726 at $69.13 Form 4 ↗
2025-12-26Mauro Ferrari, Director$527,070
7,530 shplan 2025-09-25144 ↗
Form 4, 2025-12-30: sold 7,530 at $70.00 Form 4 ↗
2025-12-22Christopher Anzalone, Chief Executive Officer$861,319
12,586 shplan 2024-09-16no Form 4 on file144 ↗
2025-12-19Christopher Anzalone, Chief Executive Officer$909,632
13,445 shplan 2025-09-19144 ↗
Form 4, 2025-12-23: sold 26,031 at $68.04 Form 4 ↗
2025-12-19William Waddill, Director$566,001
8,367 shplan 2025-09-03144 ↗
Form 4, 2025-12-23: sold 8,367 at $67.65 Form 4 ↗
2025-12-19Adeoye Olukotun, Director$676,589
10,000 shplan 2025-09-04144 ↗
Form 4, 2025-12-23: sold 10,000 at $67.66 Form 4 ↗
2025-12-19Victoria Vakiener, Director$679,464
10,040 shplan 2025-09-03144 ↗
Form 4, 2025-12-23: sold 10,040 at $67.68 Form 4 ↗
2025-12-17Christopher Anzalone, Chief Executive Officer$5,443,253
85,000 shplan 2025-09-19144 ↗
Form 4, 2025-12-19: sold 85,000 at $64.04 Form 4 ↗
2025-12-16Christopher Anzalone, Chief Executive Officer$3,398,142
54,298 shplan 2025-09-19no Form 4 on file144 ↗
2025-12-15Christopher Anzalone, Chief Executive Officer$8,950,580
130,000 shplan 2025-09-19144 ↗
Form 4, 2025-12-16: sold 184,298 at $67.00 Form 4 ↗
2025-12-05Michael Perry, Director$991,129
16,250 shno plan date144 ↗
Form 4, 2025-12-09: sold 16,250 at $61.03 Form 4 ↗
2025-11-28Mauro Ferrari, Director$493,063
8,750 shplan 2025-09-25144 ↗
Form 4, 2025-12-01: sold 8,750 at $56.39 Form 4 ↗