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 |
2025-03-20 Sale | 2025-03-21 6:44 pm | Avidity Biosciences Inc. | RNA | Hughes Steven George Chief Medical Officer | 9,578 | $31.06 | $297,491 | 72,850 (Direct) | View |
2025-03-20 Sale | 2025-03-21 6:42 pm | Avidity Biosciences Inc. | RNA | Boyce Sarah President and CEO | 31,540 | $31.06 | $979,563 | 305,871 (Direct) | View |
2025-03-20 Sale | 2025-03-21 6:40 pm | Avidity Biosciences Inc. | RNA | Flanagan W. Michael Chief Scientific Officer | 11,780 | $31.06 | $365,868 | 80,195 (Direct) | View |
2025-03-20 Sale | 2025-03-21 6:38 pm | Avidity Biosciences Inc. | RNA | MacLean Michael F Chief Financial Officer | 7,935 | $31.06 | $246,425 | 96,720 (Direct) | View |
2025-03-20 Sale | 2025-03-21 6:36 pm | Avidity Biosciences Inc. | RNA | McCarthy Teresa Chief Human Resources Officer | 7,778 | $31.06 | $241,583 | 97,130 (Direct) | View |
2025-03-11 Sale | 2025-03-12 4:23 pm | Avidity Biosciences Inc. | RNA | Flanagan W. Michael Chief Scientific Officer | 20,000 | $30.13 | $602,614 | 208,475 (Direct) | View |
2025-03-03 Sale | 2025-03-04 6:17 pm | Avidity Biosciences Inc. | RNA | Gallagher Kathleen P. Chief Program Officer | 5,875 | $29.41 | $172,807 | 69,929 (Direct) | View |
2025-02-03 Sale | 2025-02-05 5:01 pm | Avidity Biosciences Inc. | RNA | Gallagher Kathleen P. Chief Program Officer | 5,875 | $32.16 | $188,918 | 85,229 (Direct) | View |
2025-01-21 Sale | 2025-01-23 8:17 pm | Avidity Biosciences Inc. | RNA | LEVIN ARTHUR A Director | 1,872 | $28.6 | $53,537 | 144,330 (Indirect Direct) | View |
2025-01-21 Sale | 2025-01-23 8:15 pm | Avidity Biosciences Inc. | RNA | MacLean Michael F Chief Financial Officer | 3,287 | $28.59 | $93,985 | 104,655 (Direct) | View |
2025-01-21 Sale | 2025-01-23 8:14 pm | Avidity Biosciences Inc. | RNA | McCarthy Teresa Chief Human Resources Officer | 2,959 | $28.59 | $84,612 | 104,908 (Direct) | View |
2025-01-21 Sale | 2025-01-23 8:12 pm | Avidity Biosciences Inc. | RNA | Flanagan W. Michael Chief Scientific Officer | 5,672 | $28.6 | $162,192 | 91,975 (Direct) | View |
2025-01-21 Sale | 2025-01-23 8:10 pm | Avidity Biosciences Inc. | RNA | Boyce Sarah President and CEO | 10,397 | $28.59 | $297,291 | 337,411 (Direct) | View |
2025-01-21 Sale | 2025-01-23 8:08 pm | Avidity Biosciences Inc. | RNA | Gallagher Kathleen P. Chief Program Officer | 9,411 | $29.53 | $277,912 | 50,554 (Direct) | View |
2025-01-21 Sale | 2025-01-23 8:06 pm | Avidity Biosciences Inc. | RNA | Hughes Steven George Chief Medical Officer | 3,947 | $28.59 | $112,856 | 82,428 (Direct) | View |
2024-12-18 Sale | 2024-12-19 6:17 pm | Avidity Biosciences Inc. | RNA | Flanagan W. Michael CSTO | 12,742 | $32.66 | $416,154 | 72,647 (Direct) | View |
2024-12-18 Sale | 2024-12-19 6:16 pm | Avidity Biosciences Inc. | RNA | MacLean Michael F Chief Financial Officer | 11,151 | $32.66 | $364,192 | 82,942 (Direct) | View |
2024-12-18 Sale | 2024-12-19 6:15 pm | Avidity Biosciences Inc. | RNA | Boyce Sarah President and CEO | 31,855 | $32.66 | $1,040,384 | 265,308 (Direct) | View |
2024-12-18 Sale | 2024-12-19 6:15 pm | Avidity Biosciences Inc. | RNA | McCarthy Teresa Chief Human Resources Officer | 11,151 | $32.66 | $364,192 | 82,867 (Direct) | View |
2024-12-16 Sale | 2024-12-18 4:46 pm | Avidity Biosciences Inc. | RNA | McCarthy Teresa Chief Human Resources Officer | 25,000 | $33.26 | $831,605 | 151,518 (Direct) | View |
2024-12-11 Sale | 2024-12-13 6:08 pm | Avidity Biosciences Inc. | RNA | Flanagan W. Michael CSTO | 24,000 | $35.77 | $858,401 | 171,389 (Direct) | View |
2024-11-18 Sale | 2024-11-20 6:10 pm | Avidity Biosciences Inc. | RNA | McCarthy Teresa Chief Human Resources Officer | 25,000 | $41.14 | $1,028,520 | 176,518 (Direct) | View |
2024-11-19 Sale | 2024-11-20 6:06 pm | Avidity Biosciences Inc. | RNA | LEVIN ARTHUR A Director | 3,323 | $42.12 | $139,973 | 146,202 (Indirect Direct) | View |
2024-11-06 Sale | 2024-11-08 4:50 pm | Avidity Biosciences Inc. | RNA | MacLean Michael F Chief Financial Officer | 106,319 | $45.56 | $4,843,979 | 154,218 (Direct) | View |
2024-10-21 Sale | 2024-10-23 4:19 pm | Avidity Biosciences Inc. | RNA | LEVIN ARTHUR A Director | 5,000 | $46.63 | $233,168 | 149,525 (Indirect Direct) | View |
2024-10-16 Sale | 2024-10-17 4:20 pm | Avidity Biosciences Inc. | RNA | McCarthy Teresa Chief Human Resources Officer | 25,000 | $48.52 | $1,213,010 | 201,518 (Direct) | View |
2024-10-07 Sale | 2024-10-09 5:23 pm | Avidity Biosciences Inc. | RNA | Thompson Tamar Director | 30,000 | $44.98 | $1,349,259 | 0 (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 |
2025-03-11 Exercise | 2025-03-12 4:23 pm | N/A 2032-01-20 | Avidity Biosciences Inc. | RNA | Flanagan W. Michael Chief Scientific Officer | 20,000 | $0 | 208,475 (Direct) | View |
2025-03-11 Exercise | 2025-03-12 4:23 pm | N/A N/A | Avidity Biosciences Inc. | RNA | Flanagan W. Michael Chief Scientific Officer | 20,000 | $14.22 | 208,475 (Direct) | View |
2025-03-03 Exercise | 2025-03-04 6:17 pm | N/A 2032-01-19 | Avidity Biosciences Inc. | RNA | Gallagher Kathleen P. Chief Program Officer | 5,875 | $0 | 69,929 (Direct) | View |
2025-03-03 Exercise | 2025-03-04 6:17 pm | N/A N/A | Avidity Biosciences Inc. | RNA | Gallagher Kathleen P. Chief Program Officer | 5,875 | $14.7 | 69,929 (Direct) | View |
2025-02-03 Exercise | 2025-02-05 5:01 pm | N/A N/A | Avidity Biosciences Inc. | RNA | Gallagher Kathleen P. Chief Program Officer | 5,875 | $16.65 | 85,229 (Direct) | View |
2025-02-03 Exercise | 2025-02-05 5:01 pm | N/A 2032-07-17 | Avidity Biosciences Inc. | RNA | Gallagher Kathleen P. Chief Program Officer | 5,875 | $0 | 85,229 (Direct) | View |
2025-01-06 Option Award | 2025-01-08 8:35 pm | N/A 2035-01-05 | Avidity Biosciences Inc. | RNA | Flanagan W. Michael Chief Scientific Officer | 75,000 | $0 | 147,647 (Direct) | View |
2025-01-06 Option Award | 2025-01-08 8:31 pm | N/A 2035-01-05 | Avidity Biosciences Inc. | RNA | McCarthy Teresa Chief Human Resources Officer | 75,000 | $0 | 157,867 (Direct) | View |
2025-01-06 Option Award | 2025-01-08 8:29 pm | N/A 2035-01-05 | Avidity Biosciences Inc. | RNA | Moriarty John B Chief Legal Officer | 75,000 | $0 | 100,000 (Direct) | View |
2025-01-06 Option Award | 2025-01-08 8:26 pm | N/A 2035-01-05 | Avidity Biosciences Inc. | RNA | MacLean Michael F Chief Financial Officer | 75,000 | $0 | 157,942 (Direct) | View |
2025-01-06 Option Award | 2025-01-08 8:24 pm | N/A 2035-01-05 | Avidity Biosciences Inc. | RNA | Boyce Sarah President and CEO | 247,500 | $0 | 512,808 (Direct) | View |
2025-01-06 Option Award | 2025-01-08 8:22 pm | N/A 2035-01-05 | Avidity Biosciences Inc. | RNA | Hughes Steven George Chief Medical Officer | 75,000 | $0 | 136,375 (Direct) | View |
2025-01-06 Option Award | 2025-01-08 8:16 pm | N/A 2035-01-05 | Avidity Biosciences Inc. | RNA | Gallagher Kathleen P. Chief Program Officer | 75,000 | $0 | 109,965 (Direct) | View |
2025-01-06 Option Award | 2025-01-08 8:14 pm | N/A 2035-01-05 | Avidity Biosciences Inc. | RNA | Mosbrooker Eric Chief Commercial Officer | 75,000 | $0 | 111,120 (Direct) | View |
2025-01-06 Option Award | 2025-01-08 8:13 pm | N/A 2035-01-05 | Avidity Biosciences Inc. | RNA | Calderaro Charles III Chief Technical Officer | 120,000 | $0 | 120,000 (Direct) | View |
Ownership | 2025-01-08 7:04 pm | N/A N/A | Avidity Biosciences Inc. | RNA | Mosbrooker Eric Chief Commercial Officer | 0 | $0 | 351,120 (Direct) | View |
Ownership | 2025-01-08 6:52 pm | N/A N/A | Avidity Biosciences Inc. | RNA | Gallagher Kathleen P. Chief Program Officer | 0 | $0 | 224,671 (Direct) | View |
Ownership | 2025-01-08 6:46 pm | N/A N/A | Avidity Biosciences Inc. | RNA | Hughes Steven George Chief Medical Officer | 0 | $0 | 383,668 (Direct) | View |
2024-12-16 Exercise | 2024-12-18 4:46 pm | N/A 2032-01-20 | Avidity Biosciences Inc. | RNA | McCarthy Teresa Chief Human Resources Officer | 25,000 | $0 | 151,518 (Direct) | View |
2024-12-16 Exercise | 2024-12-18 4:46 pm | N/A N/A | Avidity Biosciences Inc. | RNA | McCarthy Teresa Chief Human Resources Officer | 25,000 | $14.22 | 151,518 (Direct) | View |
2024-12-11 Exercise | 2024-12-13 6:08 pm | N/A N/A | Avidity Biosciences Inc. | RNA | Flanagan W. Michael CSTO | 24,000 | $22.47 | 171,389 (Direct) | View |
2024-12-11 Exercise | 2024-12-13 6:08 pm | N/A 2033-01-19 | Avidity Biosciences Inc. | RNA | Flanagan W. Michael CSTO | 24,000 | $0 | 171,389 (Direct) | View |
2024-11-18 Exercise | 2024-11-20 6:10 pm | N/A 2032-01-20 | Avidity Biosciences Inc. | RNA | McCarthy Teresa Chief Human Resources Officer | 25,000 | $0 | 176,518 (Direct) | View |
2024-11-18 Exercise | 2024-11-20 6:10 pm | N/A N/A | Avidity Biosciences Inc. | RNA | McCarthy Teresa Chief Human Resources Officer | 25,000 | $14.22 | 176,518 (Direct) | View |
2024-11-19 Exercise | 2024-11-20 6:06 pm | N/A N/A | Avidity Biosciences Inc. | RNA | LEVIN ARTHUR A Director | 3,323 | $1.24 | 146,202 (Direct) | View |
2024-11-19 Exercise | 2024-11-20 6:06 pm | N/A 2030-02-18 | Avidity Biosciences Inc. | RNA | LEVIN ARTHUR A Director | 3,323 | $0 | 146,202 (Direct) | View |
2024-11-06 Exercise | 2024-11-08 4:50 pm | N/A N/A | Avidity Biosciences Inc. | RNA | MacLean Michael F Chief Financial Officer | 13,875 | $6.57 | 154,218 (Direct) | View |
2024-11-06 Exercise | 2024-11-08 4:50 pm | N/A 2030-05-14 | Avidity Biosciences Inc. | RNA | MacLean Michael F Chief Financial Officer | 79,057 | $0 | 154,218 (Direct) | View |
2024-11-06 Exercise | 2024-11-08 4:50 pm | N/A N/A | Avidity Biosciences Inc. | RNA | MacLean Michael F Chief Financial Officer | 65,182 | $8.82 | 154,218 (Direct) | View |
2024-10-21 Exercise | 2024-10-23 4:19 pm | N/A N/A | Avidity Biosciences Inc. | RNA | LEVIN ARTHUR A Director | 5,000 | $1.24 | 149,525 (Direct) | View |
2024-10-21 Exercise | 2024-10-23 4:19 pm | N/A 2030-02-18 | Avidity Biosciences Inc. | RNA | LEVIN ARTHUR A Director | 5,000 | $0 | 149,525 (Direct) | View |
2024-10-16 Exercise | 2024-10-17 4:20 pm | N/A 2032-01-20 | Avidity Biosciences Inc. | RNA | McCarthy Teresa Chief Human Resources Officer | 25,000 | $0 | 201,518 (Direct) | View |
2024-10-16 Exercise | 2024-10-17 4:20 pm | N/A N/A | Avidity Biosciences Inc. | RNA | McCarthy Teresa Chief Human Resources Officer | 25,000 | $14.22 | 201,518 (Direct) | View |
2024-10-07 Exercise | 2024-10-09 5:23 pm | N/A N/A | Avidity Biosciences Inc. | RNA | Thompson Tamar Director | 30,000 | $27.63 | 0 (Direct) | View |
2024-10-07 Exercise | 2024-10-09 5:23 pm | N/A 2031-01-10 | Avidity Biosciences Inc. | RNA | Thompson Tamar Director | 30,000 | $0 | 0 (Direct) | View |