Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2022-12-29 Sale | 2022-12-30 5:12 pm | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 30,625 | $40 | $1,225,000 | 336,704 (Direct) | View |
2022-01-05 Sale | 2022-01-06 8:58 pm | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 40,000 | $61.7 | $2,467,941 | 464,005 (Direct) | View |
2021-01-11 Sale | 2021-01-12 6:06 pm | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 13,038 | $81.02 | $1,056,310 | 444,005 (Direct) | View |
2021-01-06 Sale | 2021-01-07 6:08 pm | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 30,625 | $72.44 | $2,218,477 | 457,043 (Direct) | View |
2020-11-09 Sale | 2020-11-12 5:49 pm | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 43,505 | $69.37 | $3,018,071 | 427,668 (Direct) | View |
2020-10-20 Sale | 2020-10-22 6:02 pm | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 29,166 | $54.04 | $1,576,131 | 471,173 (Direct) | View |
2020-01-21 Sale | 2020-01-23 6:15 pm | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 40,313 | $49.44 | $1,992,925 | 500,339 (Direct) | View |
2020-01-06 Sale | 2020-01-08 6:31 pm | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 20,000 | $60.11 | $1,202,201 | 391,185 (Direct) | View |
2019-11-01 Sale | 2019-11-01 7:32 pm | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 37,884 | $40.85 | $1,547,378 | 475,652 (Direct) | View |
2019-05-21 Sale | 2019-05-22 5:44 pm | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 27,071 | $22 | $595,562 | 278,536 (Direct) | View |
2019-02-19 Sale | 2019-02-20 8:12 pm | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 8,000 | $18 | $144,000 | 540,607 (Direct) | View |
2019-01-17 Sale | 2019-01-18 7:00 pm | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 81,875 | $14.55 | $1,191,281 | 305,607 (Direct) | View |
2019-01-02 Sale | 2019-01-03 7:55 pm | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 8,333 | $11.98 | $99,829 | 387,482 (Direct) | View |
2018-09-06 Sale | 2018-09-10 6:32 pm | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 45,000 | $19.34 | $870,200 | 816,815 (Direct) | View |
2018-06-19 Sale | 2018-06-20 9:18 pm | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 20,000 | $14.01 | $280,200 | 598,815 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2023-01-04 Option Award | 2023-01-05 7:14 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 60,000 | $0 | 396,704 (Direct) | View |
2022-06-15 Ownership | 2022-09-30 5:32 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 96,676 | $0 | 367,329 (Direct) | View |
2022-01-01 Option Award | 2022-01-04 9:25 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 60,000 | $0 | 504,005 (Direct) | View |
2021-01-01 Option Award | 2021-01-05 6:20 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 60,000 | $0 | 487,668 (Direct) | View |
2020-11-09 Exercise | 2020-11-12 5:49 pm | 2014-03-01 2024-02-06 | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 43,505 | $0 | 427,668 (Direct) | View |
2020-11-09 Exercise | 2020-11-12 5:49 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 43,505 | $14.54 | 427,668 (Direct) | View |
2020-10-20 Exercise | 2020-10-22 6:02 pm | 2016-02-01 2026-01-01 | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 29,166 | $0 | 471,173 (Direct) | View |
2020-10-20 Exercise | 2020-10-22 6:02 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 29,166 | $6.15 | 471,173 (Direct) | View |
2020-02-25 Exercise | 2020-02-27 5:41 pm | 2010-09-01 2020-08-16 | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 43,445 | $0 | 885,697 (Direct) | View |
2020-02-25 Exercise | 2020-02-27 5:41 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 12,116 | $7.75 | 885,697 (Direct) | View |
2020-02-25 Exercise | 2020-02-27 5:41 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 2,000 | $5.19 | 885,697 (Direct) | View |
2020-02-25 Exercise | 2020-02-27 5:41 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 12,000 | $9.9 | 885,697 (Direct) | View |
2020-02-25 Exercise | 2020-02-27 5:41 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 6,495 | $14.54 | 885,697 (Direct) | View |
2020-02-25 Exercise | 2020-02-27 5:41 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 10,834 | $6.15 | 885,697 (Direct) | View |
2020-01-21 Exercise | 2020-01-23 6:15 pm | 2012-03-01 2022-02-16 | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 33,351 | $0 | 500,339 (Direct) | View |
2020-01-21 Exercise | 2020-01-23 6:15 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 33,351 | $5.19 | 500,339 (Direct) | View |
2020-01-01 Option Award | 2020-01-03 5:59 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 85,000 | $0 | 411,185 (Direct) | View |
2019-11-05 Exercise | 2019-11-07 6:45 pm | 2012-03-01 2022-02-16 | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 12,649 | $0 | 475,652 (Direct) | View |
2019-11-05 Exercise | 2019-11-07 6:45 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 12,649 | $5.19 | 475,652 (Direct) | View |
2019-11-01 Exercise | 2019-11-01 7:32 pm | 2015-04-06 2025-03-06 | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 37,884 | $0 | 475,652 (Direct) | View |
2019-11-01 Exercise | 2019-11-01 7:32 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 37,884 | $7.75 | 475,652 (Direct) | View |
2019-05-31 Exercise | 2019-06-03 6:12 pm | 2011-11-01 2021-10-21 | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 35,000 | $0 | 733,536 (Direct) | View |
2019-05-31 Exercise | 2019-06-03 6:12 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 15,000 | $4.6 | 733,536 (Direct) | View |
2019-05-31 Exercise | 2019-06-03 6:12 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 20,000 | $5.19 | 733,536 (Direct) | View |
2019-02-19 Exercise | 2019-02-20 8:12 pm | 2010-04-04 2020-03-04 | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 8,000 | $0 | 540,607 (Direct) | View |
2019-02-19 Exercise | 2019-02-20 8:12 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 8,000 | $5.2 | 540,607 (Direct) | View |
2019-01-01 Option Award | 2019-01-03 7:55 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 85,000 | $0 | 387,482 (Direct) | View |
2018-09-06 Exercise | 2018-09-10 6:32 pm | 2012-09-28 2022-09-28 | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 45,000 | $0 | 816,815 (Direct) | View |
2018-09-06 Exercise | 2018-09-10 6:32 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 25,000 | $2.62 | 816,815 (Direct) | View |
2018-09-06 Exercise | 2018-09-10 6:32 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 20,000 | $4.75 | 816,815 (Direct) | View |
2018-06-19 Exercise | 2018-06-20 9:18 pm | 2013-06-01 2023-05-06 | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 20,000 | $0 | 598,815 (Direct) | View |
2018-06-19 Exercise | 2018-06-20 9:18 pm | N/A N/A | ARROWHEAD PHARMACEUTICALS INC. | ARWR | Myszkowski Kenneth Allen Chief Financial Officer | 20,000 | $2.01 | 598,815 (Direct) | View |