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 |
2020-10-06 Purchase |
2020-10-06 9:28 pm |
C4 Therapeutics Inc. | CCCC | COHEN MARC A Director 10% Owner |
5,030 | $19 | $95,570 | 2,489,455 (Indirect 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 |
2022-06-21 Option Award |
2022-06-23 4:19 pm |
N/A 2032-06-20 |
Frequency Therapeutics Inc. | FREQ | COHEN MARC A Director |
14,846 | $0 | 14,846 (Direct) |
View |
2022-06-22 Option Award |
2022-06-23 4:15 pm |
N/A 2032-06-21 |
C4 Therapeutics Inc. | CCCC | COHEN MARC A Director |
23,500 | $0 | 23,500 (Direct) |
View |
2022-01-04 Option Award |
2022-01-18 4:30 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | COHEN MARC A Director |
657 | $31.58 | 1,975,381 (Direct) |
View |
2021-10-04 Option Award |
2021-10-05 4:55 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | COHEN MARC A Director |
461 | $44.99 | 1,974,724 (Direct) |
View |
2021-07-02 Option Award |
2021-07-07 4:30 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | COHEN MARC A Director |
522 | $39.72 | 1,974,263 (Direct) |
View |
2021-06-17 Option Award |
2021-06-21 4:26 pm |
N/A 2031-06-16 |
Frequency Therapeutics Inc. | FREQ | COHEN MARC A Director |
14,846 | $0 | 14,846 (Direct) |
View |
2021-06-15 Option Award |
2021-06-17 4:15 pm |
N/A 2031-06-14 |
C4 Therapeutics Inc. | CCCC | COHEN MARC A Director |
23,500 | $0 | 23,500 (Direct) |
View |
2021-06-14 Other |
2021-06-14 5:16 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | COHEN MARC A Director |
115,415 | $0 | 2,089,156 (Direct) |
View |
2021-04-05 Option Award |
2021-04-06 4:30 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | COHEN MARC A Director 10% Owner |
553 | $37.51 | 4,342,751 (Direct) |
View |
2021-02-18 Exercise |
2021-02-19 4:15 pm |
N/A 2026-07-12 |
C4 Therapeutics Inc. | CCCC | COHEN MARC A Director 10% Owner |
536 | $0 | 4,345,407 (Direct) |
View |
2021-02-18 Exercise |
2021-02-19 4:15 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | COHEN MARC A Director 10% Owner |
536 | $2.11 | 4,345,407 (Direct) |
View |
2020-10-06 Conversion |
2020-10-06 9:28 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | COHEN MARC A Director 10% Owner |
39,656,160 | $0 | 2,489,455 (Indirect) |
View |
2020-10-01 Option Award |
2020-10-05 9:00 pm |
N/A 2030-09-30 |
C4 Therapeutics Inc. | CCCC | COHEN MARC A Director 10% Owner |
742,788 | $0 | 742,788 (Direct) |
View |
Ownership |
2020-10-01 9:12 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | COHEN MARC A Chief Executive Officer 10% Owner |
0 | $0 | 4,340,377 (Indirect) |
View |
2020-06-11 Option Award |
2020-06-12 07:19 am |
N/A 2030-06-10 |
Frequency Therapeutics Inc. | FREQ | COHEN MARC A Director |
14,846 | $0 | 14,846 (Direct) |
View |