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 |
2021-08-03 Sale |
2021-08-05 7:34 pm |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
17,057 | $45.01 | $767,812 | 22,744 (Direct) |
View |
2021-07-29 Sale |
2021-08-02 6:46 pm |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
68,315 | $45 | $3,074,387 | 39,801 (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 |
2024-09-16 Tax Withholding |
2024-09-17 5:12 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
661 | $6.36 | 144,960 (Direct) |
View |
2024-09-16 Exercise |
2024-09-17 5:12 pm |
N/A 2025-02-28 |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
2,250 | $0 | 144,960 (Direct) |
View |
2024-03-07 Option Award |
2024-03-08 7:26 pm |
N/A 2031-02-10 |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
212,950 | $0 | 212,950 (Direct) |
View |
2024-02-13 Tax Withholding |
2024-02-15 5:04 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
2,255 | $6.53 | 251,921 (Direct) |
View |
2024-02-14 Option Award |
2024-02-15 5:04 pm |
N/A 2034-02-13 |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
150,100 | $0 | 251,921 (Direct) |
View |
2023-09-18 Option Award |
2023-09-19 7:23 pm |
N/A 2033-09-17 |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
120,000 | $0 | 120,000 (Direct) |
View |
2023-08-30 Tax Withholding |
2023-08-31 4:10 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
661 | $2.93 | 120,576 (Direct) |
View |
2023-08-30 Exercise |
2023-08-31 4:10 pm |
N/A 2025-02-28 |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
2,250 | $0 | 120,576 (Direct) |
View |
2023-02-13 Option Award |
2023-02-15 4:46 pm |
N/A 2033-02-12 |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
151,000 | $0 | 227,487 (Direct) |
View |
2023-01-30 Tax Withholding |
2023-02-01 4:08 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
1,301 | $7.78 | 95,237 (Direct) |
View |
2023-01-30 Exercise |
2023-02-01 4:08 pm |
N/A 2025-02-28 |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
3,750 | $0 | 95,237 (Direct) |
View |
2022-05-26 Tax Withholding(A) |
2022-06-14 4:45 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
1,102 | $7.01 | 74,038 (Direct) |
View |
2022-05-25 Exercise |
2022-05-27 4:15 pm |
N/A 2025-02-28 |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
3,750 | $0 | 97,640 (Direct) |
View |
2022-04-12 Exercise |
2022-04-12 8:41 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
2,156 | $3.71 | 155,114 (Direct) |
View |
2022-04-12 Exercise |
2022-04-12 8:41 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
25,928 | $4.98 | 155,114 (Direct) |
View |
2022-04-12 Exercise |
2022-04-12 8:41 pm |
N/A 2028-04-23 |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
28,084 | $0 | 155,114 (Direct) |
View |
2022-02-14 Option Award |
2022-02-16 4:30 pm |
N/A 2032-02-13 |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
144,250 | $0 | 144,250 (Direct) |
View |
2021-12-08 Exercise |
2021-12-10 4:30 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
17,786 | $3.71 | 285,028 (Direct) |
View |
2021-12-08 Exercise |
2021-12-10 4:30 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
2,373 | $2.11 | 285,028 (Direct) |
View |
2021-12-08 Exercise |
2021-12-10 4:30 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
403 | $4.98 | 285,028 (Direct) |
View |
2021-12-08 Exercise |
2021-12-10 4:30 pm |
N/A 2026-07-12 |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
20,562 | $0 | 285,028 (Direct) |
View |
2021-02-11 Option Award |
2021-02-16 4:15 pm |
N/A 2031-02-10 |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
94,950 | $0 | 94,950 (Direct) |
View |
2020-12-11 Exercise |
2021-02-04 4:35 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
15,630 | $3.71 | 232,186 (Direct) |
View |
2020-12-11 Exercise |
2021-02-04 4:35 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
7,114 | $2.11 | 232,186 (Direct) |
View |
2020-12-11 Exercise |
2021-02-04 4:35 pm |
N/A 2026-07-12 |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
22,744 | $0 | 232,186 (Direct) |
View |
Ownership |
2020-10-01 9:10 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
0 | $0 | 444,478 (Direct) |
View |