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 |
| 2025-08-01 Purchase | 2025-08-05 4:07 pm | Prime Medicine Inc. | PRME | GV 2021 GP L.L.C. GV 2021 GP L.P. GV 2021 L.P. Alphabet Inc. 10% Owner | 1,500,000 | $3.3 | $4,950,000 | 3,262,440 (Indirect) | View |
| 2025-08-01 Purchase | 2025-08-01 7:19 pm | Prime Medicine Inc. | PRME | NELSEN ROBERT Director 10% Owner | 3,030,300 | $3.3 | $9,999,990 | 18,502,974 (Indirect) | View |
| 2025-08-01 Purchase | 2025-08-01 7:19 pm | Prime Medicine Inc. | PRME | ARCH Venture Partners XII LLC ARCH Venture Partners XII L.P. ARCH Venture Fund XII L.P. 10% Owner | 3,030,300 | $3.3 | $9,999,990 | 18,486,894 (Indirect) | View |
| 2025-08-01 Purchase | 2025-08-01 7:18 pm | Prime Medicine Inc. | PRME | ARCH Venture Partners X LLC ARCH Venture Partners X L.P. ARCH Venture Partners X Overage L.P. ARCH Venture Fund X L.P. ARCH Venture Fund X Overage L.P. CRANDELL KEITH Burow Kristina GILLIS STEVEN 10% Owner | 3,030,300 | $3.3 | $9,999,990 | 18,486,894 (Indirect) | View |
| 2025-06-30 Purchase | 2025-07-01 4:03 pm | Prime Medicine Inc. | PRME | Liu David R. 10% Owner | 21,000 | $2.5157 | $52,830 | 20,240,945 (Direct) | View |
| 2025-06-23 Purchase | 2025-06-23 4:33 pm | Prime Medicine Inc. | PRME | Liu David R. 10% Owner | 21,000 | $2.162 | $45,402 | 20,219,945 (Direct) | View |
| 2025-06-16 Purchase | 2025-06-16 5:14 pm | Prime Medicine Inc. | PRME | Liu David R. 10% Owner | 21,000 | $1.4855 | $31,196 | 20,198,945 (Direct) | View |
| 2025-06-11 Purchase | 2025-06-12 4:49 pm | Prime Medicine Inc. | PRME | Liu David R. 10% Owner | 21,000 | $1.5995 | $33,590 | 20,177,945 (Direct) | View |
| 2025-05-20 Purchase | 2025-05-22 4:22 pm | Prime Medicine Inc. | PRME | Brudnick Richard Chief Business Officer | 20,000 | $1.1895 | $23,790 | 20,000 (Direct) | View |
| 2025-05-21 Purchase | 2025-05-22 4:21 pm | Prime Medicine Inc. | PRME | LEE ANN L. Chief Technical Officer | 100,000 | $1.13 | $113,000 | 100,000 (Direct) | View |
| 2025-05-21 Purchase | 2025-05-22 4:18 pm | Prime Medicine Inc. | PRME | Reine Allan Chief Executive Officer | 125,000 | $1.1772 | $147,150 | 125,000 (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 |
| 2026-06-05 Option Award | 2026-06-08 4:21 pm | N/A 2036-06-05 | Prime Medicine Inc. | PRME | Schenkein David P Director | 75,000 | $0 | 75,000 (Direct) | View |
| 2026-06-05 Option Award | 2026-06-08 4:20 pm | N/A 2036-06-05 | Prime Medicine Inc. | PRME | Marrazzo Jeffrey D Director | 75,000 | $0 | 75,000 (Direct) | View |
| 2026-06-05 Option Award | 2026-06-08 4:19 pm | N/A 2036-06-05 | Prime Medicine Inc. | PRME | NELSEN ROBERT Director 10% Owner | 75,000 | $0 | 75,000 (Direct) | View |
| 2026-06-05 Option Award | 2026-06-08 4:18 pm | N/A 2036-06-05 | Prime Medicine Inc. | PRME | Kelly Michael Aaron Director | 75,000 | $0 | 75,000 (Direct) | View |
| 2026-06-05 Option Award | 2026-06-08 4:17 pm | N/A 2036-06-05 | Prime Medicine Inc. | PRME | Foster-Cheek Kaye I Director | 75,000 | $0 | 75,000 (Direct) | View |
| 2026-06-05 Option Award | 2026-06-08 4:14 pm | N/A 2036-06-05 | Prime Medicine Inc. | PRME | Chung Wendy Director | 75,000 | $0 | 75,000 (Direct) | View |
| 2026-06-05 Option Award | 2026-06-08 4:13 pm | N/A 2036-06-05 | Prime Medicine Inc. | PRME | Cahill Thomas Director | 75,000 | $0 | 75,000 (Direct) | View |
| 2026-04-16 Option Award | 2026-04-17 8:26 pm | N/A 2036-04-16 | Prime Medicine Inc. | PRME | Makhni Svetlana Ni Chief Financial Officer | 800,000 | $0 | 800,000 (Direct) | View |
| 2026-02-26 Option Award | 2026-02-27 4:52 pm | N/A 2036-02-26 | Prime Medicine Inc. | PRME | Reine Allan Chief Executive Officer | 1,300,000 | $0 | 1,300,000 (Direct) | View |
| 2026-02-23 Option Award | 2026-02-24 5:07 pm | N/A 2036-02-23 | Prime Medicine Inc. | PRME | LEE ANN L. Chief Technical Officer | 375,000 | $0 | 375,000 (Direct) | View |
| 2026-02-23 Option Award | 2026-02-24 4:58 pm | N/A 2036-02-23 | Prime Medicine Inc. | PRME | Alenson Carman See Remarks | 140,000 | $0 | 140,000 (Direct) | View |
| 2025-08-01 Option Award | 2025-08-05 8:44 pm | N/A 2033-03-31 | Prime Medicine Inc. | PRME | LEE ANN L. Chief Technical Officer | 361,990 | $0 | 361,990 (Direct) | View |
| 2025-08-01 Option Award | 2025-08-05 8:43 pm | N/A 2033-06-14 | Prime Medicine Inc. | PRME | Schenkein David P Director | 84,062 | $0 | 84,062 (Direct) | View |
| 2025-08-01 Option Award | 2025-08-05 8:43 pm | N/A 2033-06-14 | Prime Medicine Inc. | PRME | NELSEN ROBERT Director 10% Owner | 84,062 | $0 | 84,062 (Direct) | View |
| 2025-08-01 Option Award | 2025-08-05 8:43 pm | N/A 2033-05-10 | Prime Medicine Inc. | PRME | Marrazzo Jeffrey D Director | 387,000 | $0 | 387,000 (Direct) | View |
| 2025-08-01 Option Award | 2025-08-05 8:43 pm | N/A 2031-11-24 | Prime Medicine Inc. | PRME | Kelly Michael Aaron Director | 106,578 | $0 | 106,578 (Direct) | View |
| 2025-08-01 Option Award | 2025-08-05 8:43 pm | N/A 2032-01-24 | Prime Medicine Inc. | PRME | Foster-Cheek Kaye I Director | 106,578 | $0 | 106,578 (Direct) | View |
| 2025-08-01 Option Award | 2025-08-05 8:43 pm | N/A 2031-11-24 | Prime Medicine Inc. | PRME | Chung Wendy Director | 106,578 | $0 | 106,578 (Direct) | View |
| 2025-08-01 Option Award | 2025-08-05 8:42 pm | N/A 2033-06-14 | Prime Medicine Inc. | PRME | Cahill Thomas Director | 84,062 | $0 | 84,062 (Direct) | View |
| 2025-08-01 Option Award | 2025-08-05 8:42 pm | N/A 2034-01-17 | Prime Medicine Inc. | PRME | Reine Allan Chief Executive Officer | 850,000 | $0 | 850,000 (Direct) | View |
| 2025-08-01 Option Award | 2025-08-05 8:42 pm | N/A 2032-01-24 | Prime Medicine Inc. | PRME | Alenson Carman See Remarks | 203,333 | $0 | 203,333 (Direct) | View |
| 2025-06-04 Option Award | 2025-06-05 6:14 pm | N/A 2035-06-04 | Prime Medicine Inc. | PRME | Schenkein David P Director | 55,000 | $0 | 55,000 (Direct) | View |
| 2025-06-04 Option Award | 2025-06-05 6:13 pm | N/A 2035-06-04 | Prime Medicine Inc. | PRME | Marrazzo Jeffrey D Director | 55,000 | $0 | 55,000 (Direct) | View |
| 2025-06-04 Option Award | 2025-06-05 6:13 pm | N/A 2035-06-04 | Prime Medicine Inc. | PRME | NELSEN ROBERT Director 10% Owner | 55,000 | $0 | 55,000 (Direct) | View |
| 2025-06-04 Option Award | 2025-06-05 6:13 pm | N/A 2035-06-04 | Prime Medicine Inc. | PRME | Kelly Michael Aaron Director | 55,000 | $0 | 55,000 (Direct) | View |
| 2025-06-04 Option Award | 2025-06-05 6:13 pm | N/A 2035-06-04 | Prime Medicine Inc. | PRME | Foster-Cheek Kaye I Director | 55,000 | $0 | 55,000 (Direct) | View |
| 2025-06-04 Option Award | 2025-06-05 6:13 pm | N/A 2035-06-04 | Prime Medicine Inc. | PRME | Chung Wendy Director | 55,000 | $0 | 55,000 (Direct) | View |
| 2025-06-04 Option Award | 2025-06-05 6:11 pm | N/A 2035-06-04 | Prime Medicine Inc. | PRME | Cahill Thomas Director | 55,000 | $0 | 55,000 (Direct) | View |