ARWR
Arrowhead Pharmaceuticals Inc
NASDAQ: ARWR · HEALTHCARE · BIOTECHNOLOGY
$73.48
+4.18% today
Updated 2026-04-30
Market cap
$9.88B
P/E ratio
44.08
P/S ratio
9.05x
EPS (TTM)
$1.60
Dividend yield
—
52W range
$12 – $77
Volume
2.2M
Arrowhead Pharmaceuticals Inc (ARWR) Insider transactions
Net insider activity
Net selling (357,081 shares)
Buy transactions
16
Sell transactions
84
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-05 | HAMILTON, JAMES C | Chief Medical Officer | Sale | 10,000 | $64.19 | $641900.00 |
| 2026-01-06 | O'BRIEN, PATRICK | COO | Buy | 75,000 | — | — |
| 2026-01-06 | O'BRIEN, PATRICK | COO | Sale | 540 | — | — |
| 2026-01-06 | O'BRIEN, PATRICK | COO | Sale | 440 | — | — |
| 2026-01-06 | HAMILTON, JAMES C | Chief Medical Officer | Buy | 75,000 | — | — |
| 2026-01-06 | APEL, DANIEL JOSEPH | Chief Financial Officer | Buy | 75,000 | — | — |
| 2026-01-05 | O'BRIEN, PATRICK | COO | Sale | 13,451 | $62.96 | $846874.96 |
| 2026-01-05 | O'BRIEN, PATRICK | COO | Sale | 11,842 | $63.84 | $755993.28 |
| 2026-01-05 | O'BRIEN, PATRICK | COO | Sale | 6,164 | $62.23 | $383585.72 |
| 2026-01-05 | O'BRIEN, PATRICK | COO | Sale | 5,873 | $62.91 | $369470.43 |
| 2026-01-05 | O'BRIEN, PATRICK | COO | Sale | 4,368 | $61.20 | $267321.60 |
| 2026-01-05 | O'BRIEN, PATRICK | COO | Sale | 2,700 | $64.44 | $173988.00 |
| 2026-01-05 | O'BRIEN, PATRICK | COO | Sale | 2,336 | $64.04 | $149597.44 |
| 2026-01-05 | O'BRIEN, PATRICK | COO | Sale | 900 | $66.01 | $59409.00 |
| 2026-01-05 | O'BRIEN, PATRICK | COO | Sale | 600 | $61.12 | $36672.00 |
| 2026-01-05 | O'BRIEN, PATRICK | COO | Sale | 313 | $68.00 | $21284.00 |
| 2026-01-05 | O'BRIEN, PATRICK | COO | Sale | 46 | $68.00 | $3128.00 |
| 2026-01-05 | HAMILTON, JAMES C | Chief Medical Officer | Sale | 14,792 | $63.01 | $932043.92 |
| 2026-01-05 | HAMILTON, JAMES C | Chief Medical Officer | Sale | 12,711 | $63.95 | $812868.45 |
| 2026-01-05 | HAMILTON, JAMES C | Chief Medical Officer | Sale | 6,090 | $62.28 | $379285.20 |
| 2026-01-05 | HAMILTON, JAMES C | Chief Medical Officer | Sale | 4,625 | $61.24 | $283235.00 |
| 2026-01-05 | HAMILTON, JAMES C | Chief Medical Officer | Sale | 1,200 | $64.49 | $77388.00 |
| 2026-01-05 | HAMILTON, JAMES C | Chief Medical Officer | Sale | 437 | $65.97 | $28828.89 |
| 2026-01-05 | HAMILTON, JAMES C | Chief Medical Officer | Sale | 309 | $68.00 | $21012.00 |
| 2026-01-02 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 7,416 | $65.88 | $488566.08 |
| 2026-01-02 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 5,771 | $66.39 | $383136.69 |
| 2025-12-31 | O'BRIEN, PATRICK | COO | Sale | 560 | — | — |
| 2025-12-29 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 35,181 | — | — |
| 2025-12-29 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 16,545 | — | — |
| 2025-12-29 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Buy | 35,181 | $6.15 | $216363.15 |
| 2025-12-29 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 16,545 | $68.69 | $1.14M |
| 2025-12-26 | FERRARI, MAURO | Director | Sale | 7,530 | $70.00 | $527100.00 |
| 2025-12-22 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 10,012 | $68.33 | $684119.96 |
| 2025-12-22 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 2,574 | $68.85 | $177219.90 |
| 2025-12-19 | WADDILL, WILLIAM D. | Director | Sale | 5,451 | $68.01 | $370722.51 |
| 2025-12-19 | WADDILL, WILLIAM D. | Director | Sale | 2,416 | $66.66 | $161050.56 |
| 2025-12-19 | WADDILL, WILLIAM D. | Director | Sale | 500 | $68.53 | $34265.00 |
| 2025-12-19 | VAKIENER, VICTORIA | Director | Sale | 5,281 | $67.97 | $358949.57 |
| 2025-12-19 | VAKIENER, VICTORIA | Director | Sale | 2,799 | $66.63 | $186497.37 |
| 2025-12-19 | VAKIENER, VICTORIA | Director | Sale | 1,960 | $68.39 | $134044.40 |
| 2025-12-19 | OLUKOTUN, ADEOYE Y | Director | Sale | 6,083 | $68.04 | $413887.32 |
| 2025-12-19 | OLUKOTUN, ADEOYE Y | Director | Sale | 3,090 | $66.70 | $206103.00 |
| 2025-12-19 | OLUKOTUN, ADEOYE Y | Director | Sale | 827 | $68.48 | $56632.96 |
| 2025-12-19 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 8,147 | $68.01 | $554077.47 |
| 2025-12-19 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 3,979 | $66.67 | $265279.93 |
| 2025-12-19 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 1,319 | $68.48 | $90325.12 |
| 2025-12-17 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 46,287 | $63.55 | $2.94M |
| 2025-12-17 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 35,750 | $64.51 | $2.31M |
| 2025-12-17 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 1,981 | $66.30 | $131340.30 |
| 2025-12-17 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 982 | $65.53 | $64350.46 |
| 2025-12-16 | WADDILL, WILLIAM D. | Director | Buy | 7,819 | — | — |
| 2025-12-16 | VAKIENER, VICTORIA | Director | Buy | 7,819 | — | — |
| 2025-12-16 | PERRY, MICHAEL S | Director | Buy | 7,819 | — | — |
| 2025-12-16 | OLUKOTUN, ADEOYE Y | Director | Buy | 7,819 | — | — |
| 2025-12-16 | LU, HONGBO | Director | Buy | 7,819 | — | — |
| 2025-12-16 | INGRAM, DOUGLAS S | Director | Buy | 7,819 | — | — |
| 2025-12-16 | FERRARI, MAURO | Director | Buy | 7,819 | — | — |
| 2025-12-16 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 14,095 | $62.12 | $875581.40 |
| 2025-12-16 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 10,963 | $61.25 | $671483.75 |
| 2025-12-16 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 8,476 | $62.94 | $533479.44 |
| 2025-12-16 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 8,416 | $60.51 | $509252.16 |
| 2025-12-16 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 6,661 | $64.29 | $428235.69 |
| 2025-12-16 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 3,221 | $67.87 | $218609.27 |
| 2025-12-16 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 1,300 | $65.77 | $85501.00 |
| 2025-12-16 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 1,000 | $64.96 | $64960.00 |
| 2025-12-16 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 166 | $66.77 | $11083.82 |
| 2025-12-15 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 100,532 | $68.67 | $6.90M |
| 2025-12-15 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 21,321 | $69.28 | $1.48M |
| 2025-12-15 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 8,147 | $69.96 | $569964.12 |
| 2025-12-12 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Buy | 180,000 | — | — |
| 2025-12-05 | PERRY, MICHAEL S | Director | Sale | 16,250 | $61.03 | $991737.50 |
| 2025-11-28 | FERRARI, MAURO | Director | Sale | 8,750 | $56.39 | $493412.50 |
| 2025-10-01 | HAMILTON, JAMES C | Chief Medical Officer | Sale | 20,000 | $35.00 | $700000.00 |
| 2025-09-12 | HAMILTON, JAMES C | Chief Medical Officer | Sale | 15,000 | $30.00 | $450000.00 |
| 2025-09-02 | HAMILTON, JAMES C | Chief Medical Officer | Sale | 15,000 | $25.00 | $375000.00 |
| 2025-08-15 | HAMILTON, JAMES C | Chief Medical Officer | Sale | 9,389 | $20.00 | $187780.00 |
| 2025-08-13 | HAMILTON, JAMES C | Chief Medical Officer | Sale | 611 | $20.00 | $12220.00 |
| 2025-04-11 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 50,800 | $11.49 | $583692.00 |
| 2025-04-10 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 50,000 | $10.87 | $543500.00 |
| 2025-04-09 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 35,305 | $9.93 | $350578.65 |
| 2025-04-09 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 3,400 | $10.75 | $36550.00 |
| 2025-04-09 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 1,617 | $11.76 | $19015.92 |
| 2025-03-13 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Buy | 340,000 | — | — |
| 2025-03-13 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 51,425 | $15.07 | $774974.75 |
| 2025-03-04 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Buy | 133,333 | $7.75 | $1.03M |
| 2025-03-03 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 166,667 | — | — |
| 2025-03-03 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 133,333 | — | — |
| 2025-03-03 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Sale | 166,667 | $18.03 | $3.01M |
| 2025-02-07 | ANZALONE, CHRISTOPHER RICHARD | Director, Chief Executive Officer | Buy | 9,550 | $20.10 | $191955.00 |
| 2025-02-06 | INGRAM, DOUGLAS S | Director | Buy | 38,396 | $20.09 | $771375.64 |
| 2025-01-23 | OLUKOTUN, ADEOYE Y | Director | Sale | 959 | $21.00 | $20139.00 |
| 2025-01-07 | O'BRIEN, PATRICK | COO and General Counsel | Sale | 8,000 | $19.69 | $157520.00 |
| 2025-01-07 | MYSZKOWSKI, KENNETH ALLEN | Chief Financial Officer | Sale | 10,000 | $19.69 | $196900.00 |
| 2025-01-07 | MYSZKOWSKI, KENNETH ALLEN | Chief Financial Officer | Sale | 8,000 | $19.70 | $157600.00 |
| 2025-01-06 | O'BRIEN, PATRICK | COO and General Counsel | Sale | 19,658 | $19.69 | $387066.02 |
| 2025-01-06 | O'BRIEN, PATRICK | COO and General Counsel | Sale | 9,526 | $20.10 | $191472.60 |
| 2025-01-06 | MYSZKOWSKI, KENNETH ALLEN | Chief Financial Officer | Sale | 17,765 | $19.68 | $349615.20 |
| 2025-01-06 | MYSZKOWSKI, KENNETH ALLEN | Chief Financial Officer | Sale | 9,402 | $20.10 | $188980.20 |
| 2025-01-06 | HAMILTON, JAMES C | Chief Discovery/Trans Medicine | Sale | 21,758 | $19.68 | $428197.44 |
| 2025-01-06 | HAMILTON, JAMES C | Chief Discovery/Trans Medicine | Sale | 10,971 | $20.11 | $220626.81 |