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>>

Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-02-14 Tax Withholding |
2025-02-18 4:55 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Mossler Mark Chief Accounting Officer |
1,586 | $3.18 | 18,204 (Direct) |
View |
2024-02-14 Option Award |
2024-04-10 4:16 pm |
N/A 2034-02-13 |
C4 Therapeutics Inc. | CCCC | Mossler Mark Chief Accounting Officer |
45,720 | $0 | 47,220 (Direct) |
View |
Ownership |
2023-09-19 7:20 pm |
N/A 2033-07-02 |
C4 Therapeutics Inc. | CCCC | Mossler Mark Chief Accounting Officer |
0 | $0 | 50,210 (Direct) |
View |