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 |
2023-06-13 Sale |
2023-06-15 4:22 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 |
57,060 | $15 | $855,787 | 1,819,500 (Indirect) |
View |
2023-06-09 Sale |
2023-06-13 4:20 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 |
31,703 | $14.73 | $467,135 | 1,794,143 (Indirect) |
View |
2023-06-07 Sale |
2023-06-09 4:24 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 |
20,000 | $16.63 | $332,557 | 1,782,440 (Indirect) |
View |
2023-06-05 Sale |
2023-06-07 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 |
52,409 | $16.88 | $884,777 | 1,814,849 (Indirect) |
View |
2023-05-31 Sale |
2023-06-02 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 |
61,856 | $14.17 | $876,198 | 1,824,296 (Indirect) |
View |
2023-05-26 Sale |
2023-05-31 4:15 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 |
29,407 | $13.7 | $402,844 | 1,791,847 (Indirect) |
View |
2023-05-24 Sale |
2023-05-26 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 |
31,061 | $13.45 | $417,893 | 1,793,501 (Indirect) |
View |
2023-05-22 Sale |
2023-05-24 5:07 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 |
131,861 | $14.33 | $1,889,739 | 1,894,301 (Indirect) |
View |
2023-05-18 Sale |
2023-05-22 4:21 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 |
90,310 | $13.62 | $1,230,338 | 1,839,674 (Indirect) |
View |
2023-05-16 Sale |
2023-05-18 4:16 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 |
65,649 | $12.63 | $829,275 | 12,497,764 (Indirect) |
View |
2023-05-12 Sale |
2023-05-16 4:16 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 |
185,242 | $12.74 | $2,359,309 | 12,563,413 (Indirect) |
View |
2023-05-10 Sale |
2023-05-12 4:16 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 |
114,023 | $13.82 | $1,575,337 | 12,748,655 (Indirect) |
View |
2023-05-08 Sale |
2023-05-10 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 |
422,010 | $14.09 | $5,946,340 | 12,862,678 (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 |
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 |
2023-06-14 Option Award |
2023-06-16 5:51 pm |
N/A 2033-06-14 |
Prime Medicine Inc. | PRME | Cahill Thomas Director |
39,062 | $0 | 39,062 (Direct) |
View |
2023-06-14 Option Award |
2023-06-16 5:50 pm |
N/A 2033-06-14 |
Prime Medicine Inc. | PRME | Schenkein David P Director |
39,062 | $0 | 39,062 (Direct) |
View |
2023-06-14 Option Award |
2023-06-16 5:49 pm |
N/A 2033-06-14 |
Prime Medicine Inc. | PRME | Foster-Cheek Kaye I Director |
39,062 | $0 | 39,062 (Direct) |
View |
2023-06-14 Option Award |
2023-06-16 5:49 pm |
N/A 2033-06-14 |
Prime Medicine Inc. | PRME | NELSEN ROBERT Director 10% Owner |
39,062 | $0 | 39,062 (Direct) |
View |
2023-06-14 Option Award |
2023-06-16 5:48 pm |
N/A 2033-06-14 |
Prime Medicine Inc. | PRME | Kelly Michael Aaron Director |
39,062 | $0 | 39,062 (Direct) |
View |
2023-06-14 Option Award |
2023-06-16 5:47 pm |
N/A 2033-06-14 |
Prime Medicine Inc. | PRME | Chung Wendy Director |
39,062 | $0 | 39,062 (Direct) |
View |
2023-06-13 Other |
2023-06-15 4:22 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 |
57,060 | $0 | 1,819,500 (Indirect) |
View |
2023-06-09 Other |
2023-06-13 4:20 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 |
31,703 | $0 | 1,794,143 (Indirect) |
View |
2023-06-07 Other |
2023-06-09 4:24 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 |
20,000 | $0 | 1,782,440 (Indirect) |
View |
2023-06-05 Other |
2023-06-07 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 |
52,409 | $0 | 1,814,849 (Indirect) |
View |
2023-05-31 Other |
2023-06-02 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 |
61,856 | $0 | 1,824,296 (Indirect) |
View |
2023-05-26 Other |
2023-05-31 4:15 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 |
29,407 | $0 | 1,791,847 (Indirect) |
View |
2023-05-24 Other |
2023-05-26 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 |
31,061 | $0 | 1,793,501 (Indirect) |
View |
2023-05-22 Other |
2023-05-24 5:07 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 |
131,861 | $0 | 1,894,301 (Indirect) |
View |
2023-05-18 Other |
2023-05-22 4:21 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 |
77,234 | $0 | 1,839,674 (Indirect) |
View |
2023-05-10 Option Award |
2023-05-12 4:30 pm |
N/A 2033-05-10 |
Prime Medicine Inc. | PRME | Marrazzo Jeffrey D Director |
92,000 | $0 | 92,000 (Direct) |
View |
2023-04-18 Option Award |
2023-04-20 4:28 pm |
N/A 2033-04-18 |
Prime Medicine Inc. | PRME | Alenson Carman See Remarks |
6,254 | $0 | 6,254 (Direct) |
View |
2023-04-18 Option Award |
2023-04-20 4:25 pm |
N/A 2033-04-18 |
Prime Medicine Inc. | PRME | Goldwasser Meredith SVP, Strategy & Corporate Ops. |
4,690 | $0 | 4,690 (Direct) |
View |
2023-03-31 Option Award |
2023-04-04 8:23 pm |
N/A 2033-03-31 |
Prime Medicine Inc. | PRME | Goldwasser Meredith SVP, Strategy & Corporate Ops. |
90,498 | $0 | 90,498 (Direct) |
View |