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 |
2024-02-15 Purchase |
2024-02-20 5:41 pm |
Prime Medicine Inc. | PRME | NELSEN ROBERT Director 10% Owner |
3,200,000 | $6.25 | $20,000,000 | 15,472,674 (Indirect) |
View |
2024-02-15 Purchase |
2024-02-20 5:38 pm |
Prime Medicine Inc. | PRME | ARCH Venture Partners XII LLC ARCH Venture Partners XII L.P. ARCH Venture Fund XII L.P. 10% Owner |
3,200,000 | $6.25 | $20,000,000 | 15,456,594 (Indirect) |
View |
2024-02-15 Purchase |
2024-02-20 5:37 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 |
3,200,000 | $6.25 | $20,000,000 | 15,456,594 (Indirect) |
View |
2023-06-20 Sale |
2023-06-22 5:03 pm |
Prime Medicine Inc. | PRME | GV 2019 GP L.L.C. GV 2019 GP L.P. GV 2019 L.P. GV 2021 GP L.L.C. GV 2021 GP L.P. GV 2021 L.P. Alphabet Inc. 10% Owner |
56,408 | $15.03 | $847,744 | 1,818,848 (Indirect) |
View |
2023-06-15 Sale |
2023-06-20 4:17 pm |
Prime Medicine Inc. | PRME | GV 2019 GP L.L.C. GV 2019 GP L.P. GV 2019 L.P. GV 2021 GP L.L.C. GV 2021 GP L.P. GV 2021 L.P. Alphabet Inc. 10% Owner |
73,191 | $14.93 | $1,092,435 | 1,835,631 (Indirect) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-02-28 Option Award |
2025-03-04 4:15 pm |
N/A 2035-02-28 |
Prime Medicine Inc. | PRME | Gottesdiener Keith Michael See Remarks |
500,000 | $0 | 500,000 (Direct) |
View |
2025-02-27 Option Award |
2025-03-03 8:18 pm |
N/A 2035-02-27 |
Prime Medicine Inc. | PRME | Alenson Carman See Remarks |
90,500 | $0 | 90,500 (Direct) |
View |
2025-02-27 Option Award |
2025-03-03 8:16 pm |
N/A 2035-02-27 |
Prime Medicine Inc. | PRME | Goldwasser Meredith SVP, Strategy & Corporate Ops. |
90,500 | $0 | 90,500 (Direct) |
View |
2025-02-27 Option Award |
2025-03-03 8:15 pm |
N/A 2035-02-27 |
Prime Medicine Inc. | PRME | Duffield Jeremy Chief Scientific Officer |
275,000 | $0 | 275,000 (Direct) |
View |
2025-02-27 Option Award |
2025-03-03 8:14 pm |
N/A 2035-02-27 |
Prime Medicine Inc. | PRME | LEE ANN L. Chief Technical Officer |
275,000 | $0 | 275,000 (Direct) |
View |
2025-02-27 Option Award |
2025-03-03 8:12 pm |
N/A 2035-02-27 |
Prime Medicine Inc. | PRME | Brudnick Richard Chief Business Officer |
225,000 | $0 | 225,000 (Direct) |
View |
2025-02-27 Option Award |
2025-03-03 8:11 pm |
N/A 2035-02-27 |
Prime Medicine Inc. | PRME | Reine Allan Chief Financial Officer |
275,000 | $0 | 275,000 (Direct) |
View |
2024-12-05 Option Award |
2024-12-09 6:23 pm |
N/A 2034-02-25 |
Prime Medicine Inc. | PRME | Gottesdiener Keith Michael See Remarks |
100,000 | $0 | 200,000 (Direct) |
View |
2024-12-05 Option Award |
2024-12-09 6:22 pm |
N/A 2032-08-04 |
Prime Medicine Inc. | PRME | Brudnick Richard Chief Business Officer |
19,300 | $0 | 57,900 (Direct) |
View |
2024-12-05 Option Award |
2024-12-09 6:22 pm |
N/A 2034-01-17 |
Prime Medicine Inc. | PRME | Reine Allan Chief Financial Officer |
75,000 | $0 | 775,000 (Direct) |
View |
2024-10-08 Gift |
2024-10-10 4:29 pm |
N/A N/A |
Prime Medicine Inc. | PRME | Gottesdiener Keith Michael See Remarks |
226,925 | $0 | 4,310,837 (Indirect) |
View |
2024-06-12 Option Award |
2024-06-14 4:59 pm |
N/A 2034-06-12 |
Prime Medicine Inc. | PRME | Marrazzo Jeffrey D Director |
45,000 | $0 | 45,000 (Direct) |
View |
2024-06-12 Option Award |
2024-06-14 4:59 pm |
N/A 2034-06-12 |
Prime Medicine Inc. | PRME | Schenkein David P Director |
45,000 | $0 | 45,000 (Direct) |
View |
2024-06-12 Option Award |
2024-06-14 4:59 pm |
N/A 2034-06-12 |
Prime Medicine Inc. | PRME | NELSEN ROBERT Director 10% Owner |
45,000 | $0 | 45,000 (Direct) |
View |
2024-06-12 Option Award |
2024-06-14 4:59 pm |
N/A 2034-06-12 |
Prime Medicine Inc. | PRME | Kelly Michael Aaron Director |
45,000 | $0 | 45,000 (Direct) |
View |
2024-06-12 Option Award |
2024-06-14 4:58 pm |
N/A 2034-06-12 |
Prime Medicine Inc. | PRME | Foster-Cheek Kaye I Director |
45,000 | $0 | 45,000 (Direct) |
View |
2024-06-12 Option Award |
2024-06-14 4:58 pm |
N/A 2034-06-12 |
Prime Medicine Inc. | PRME | Chung Wendy Director |
45,000 | $0 | 45,000 (Direct) |
View |
2024-06-12 Option Award |
2024-06-14 4:58 pm |
N/A 2034-06-12 |
Prime Medicine Inc. | PRME | Cahill Thomas Director |
45,000 | $0 | 45,000 (Direct) |
View |
2024-06-05 Gift |
2024-06-07 4:18 pm |
N/A N/A |
Prime Medicine Inc. | PRME | Gottesdiener Keith Michael See Remarks |
250,000 | $0 | 4,361,078 (Direct) |
View |
2024-05-17 Option Award |
2024-05-21 4:11 pm |
N/A 2034-01-17 |
Prime Medicine Inc. | PRME | Reine Allan Chief Financial Officer |
100,000 | $0 | 100,000 (Direct) |
View |
2024-05-17 Option Award |
2024-05-21 4:11 pm |
N/A 2032-08-04 |
Prime Medicine Inc. | PRME | Brudnick Richard Chief Business Officer |
19,300 | $0 | 38,600 (Direct) |
View |
2024-05-17 Option Award |
2024-05-21 4:10 pm |
N/A 2031-10-27 |
Prime Medicine Inc. | PRME | LEE ANN L. Chief Technical Officer |
80,416 | $0 | 160,832 (Direct) |
View |
2024-02-29 Option Award |
2024-03-04 9:20 pm |
N/A 2034-02-28 |
Prime Medicine Inc. | PRME | Marrazzo Jeffrey D Director |
250,000 | $0 | 250,000 (Direct) |
View |
Ownership |
2024-02-29 4:21 pm |
N/A N/A |
Prime Medicine Inc. | PRME | GV 2023 GP L.L.C. GV 2023 GP L.P. GV 2023 L.P. Alphabet Inc. Member of 10% Group |
0 | $0 | 3,200,000 (Indirect) |
View |
2024-02-25 Option Award |
2024-02-27 09:35 am |
N/A 2034-02-25 |
Prime Medicine Inc. | PRME | Gottesdiener Keith Michael See Remarks |
100,000 | $0 | 100,000 (Direct) |
View |
2024-02-21 Option Award |
2024-02-23 5:04 pm |
N/A 2034-02-21 |
Prime Medicine Inc. | PRME | Brudnick Richard Chief Business Officer |
135,747 | $0 | 135,747 (Direct) |
View |
2024-02-21 Option Award |
2024-02-23 5:03 pm |
N/A 2034-02-21 |
Prime Medicine Inc. | PRME | Duffield Jeremy Chief Scientific Officer |
180,995 | $0 | 180,995 (Direct) |
View |
2024-02-21 Option Award |
2024-02-23 5:02 pm |
N/A 2034-02-21 |
Prime Medicine Inc. | PRME | LEE ANN L. Chief Technical Officer |
180,995 | $0 | 180,995 (Direct) |
View |
2024-02-21 Option Award |
2024-02-23 5:02 pm |
N/A 2034-02-21 |
Prime Medicine Inc. | PRME | Goldwasser Meredith SVP, Strategy & Corporate Ops. |
90,498 | $0 | 90,498 (Direct) |
View |
2024-02-21 Option Award |
2024-02-23 5:01 pm |
N/A 2034-02-21 |
Prime Medicine Inc. | PRME | Alenson Carman See Remarks |
90,498 | $0 | 90,498 (Direct) |
View |
2024-01-17 Option Award |
2024-01-19 4:19 pm |
N/A 2034-01-17 |
Prime Medicine Inc. | PRME | Reine Allan Chief Financial Officer |
600,000 | $0 | 600,000 (Direct) |
View |
2023-11-11 Gift |
2023-11-14 8:11 pm |
N/A N/A |
Prime Medicine Inc. | PRME | Gottesdiener Keith Michael See Remarks |
12,500 | $0 | 4,361,078 (Direct) |
View |
2023-07-21 Gift(A) |
2023-07-26 08:29 am |
N/A N/A |
Prime Medicine Inc. | PRME | Liu David R. 10% Owner |
1,000,000 | $0 | 20,156,945 (Direct) |
View |
2023-07-21 Gift |
2023-07-25 8:15 pm |
N/A N/A |
Prime Medicine Inc. | PRME | Liu David R. 10% Owner |
1,000,000 | $0 | 20,156,945 (Direct) |
View |
2023-06-20 Other |
2023-06-22 5:03 pm |
N/A N/A |
Prime Medicine Inc. | PRME | GV 2019 GP L.L.C. GV 2019 GP L.P. GV 2019 L.P. GV 2021 GP L.L.C. GV 2021 GP L.P. GV 2021 L.P. Alphabet Inc. 10% Owner |
56,408 | $0 | 1,818,848 (Indirect) |
View |
2023-06-15 Other |
2023-06-20 4:17 pm |
N/A N/A |
Prime Medicine Inc. | PRME | GV 2019 GP L.L.C. GV 2019 GP L.P. GV 2019 L.P. GV 2021 GP L.L.C. GV 2021 GP L.P. GV 2021 L.P. Alphabet Inc. 10% Owner |
73,191 | $0 | 1,835,631 (Indirect) |
View |