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 6:49 pm |
C4 Therapeutics Inc. | CCCC | Siegel Jolie Chief Legal Officer |
12,500 | $45 | $562,500 | 283,821 (Direct) |
View |
2021-07-29 Sale |
2021-08-02 6:47 pm |
C4 Therapeutics Inc. | CCCC | Prokupets Elena Director |
15,593 | $45.01 | $701,774 | 695,854 (Indirect) |
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 |
2021-07-29 Sale |
2021-08-02 6:44 pm |
C4 Therapeutics Inc. | CCCC | Crystal Adam Chief Medical Officer |
15,000 | $45 | $675,000 | 183,108 (Direct) |
View |
2021-07-16 Sale |
2021-07-19 4:30 pm |
C4 Therapeutics Inc. | CCCC | Salter Malcolm Director |
755 | $37.37 | $28,214 | 14,427 (Direct) |
View |
2021-07-01 Sale |
2021-07-06 8:00 pm |
C4 Therapeutics Inc. | CCCC | Crystal Adam Chief Medical Officer |
15,000 | $37.98 | $569,666 | 142,292 (Direct) |
View |
2021-06-18 Sale |
2021-06-21 8:23 pm |
C4 Therapeutics Inc. | CCCC | Salter Malcolm Director |
755 | $37.19 | $28,078 | 14,843 (Direct) |
View |
2021-05-21 Sale |
2021-05-24 6:42 pm |
C4 Therapeutics Inc. | CCCC | Salter Malcolm Director |
755 | $37.12 | $28,026 | 15,598 (Direct) |
View |
2021-04-05 Sale |
2021-04-06 4:30 pm |
C4 Therapeutics Inc. | CCCC | Crystal Adam Chief Medical Officer |
15,000 | $37.77 | $566,536 | 157,292 (Direct) |
View |
2020-10-06 Purchase |
2020-10-06 9:30 pm |
C4 Therapeutics Inc. | CCCC | MCKEE WILLIAM Chief Financial Officer |
5,263 | $19 | $99,997 | 5,263 (Direct) |
View |
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 |
2021-07-29 Exercise |
2021-08-02 6:49 pm |
N/A 2030-07-02 |
C4 Therapeutics Inc. | CCCC | Siegel Jolie Chief Legal Officer |
12,500 | $0 | 283,821 (Direct) |
View |
2021-07-29 Exercise |
2021-08-02 6:49 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Siegel Jolie Chief Legal Officer |
12,500 | $4.98 | 283,821 (Direct) |
View |
2021-07-29 Exercise |
2021-08-02 6:44 pm |
N/A 2030-07-02 |
C4 Therapeutics Inc. | CCCC | Crystal Adam Chief Medical Officer |
15,000 | $0 | 183,108 (Direct) |
View |
2021-07-29 Exercise |
2021-08-02 6:44 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Crystal Adam Chief Medical Officer |
15,000 | $4.98 | 183,108 (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 |
2021-07-02 Option Award |
2021-07-07 4:30 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | COHEN ALAIN J Director |
251 | $39.72 | 1,804,324 (Direct) |
View |
2021-07-02 Option Award |
2021-07-07 4:30 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Anderson Kenneth Carl Director |
220 | $39.72 | 289,090 (Direct) |
View |
2021-07-02 Option Award |
2021-07-07 4:30 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Salter Malcolm Director |
339 | $39.72 | 15,182 (Direct) |
View |
2021-07-01 Exercise |
2021-07-06 8:00 pm |
N/A 2029-04-08 |
C4 Therapeutics Inc. | CCCC | Crystal Adam Chief Medical Officer |
15,000 | $0 | 142,292 (Direct) |
View |
2021-07-01 Exercise |
2021-07-06 8:00 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Crystal Adam Chief Medical Officer |
15,000 | $6.5 | 142,292 (Direct) |
View |
2021-06-21 Option Award |
2021-06-21 8:22 pm |
N/A 2031-06-20 |
C4 Therapeutics Inc. | CCCC | White Lauren Chief Financial Officer |
136,000 | $0 | 136,000 (Direct) |
View |
2021-06-15 Option Award |
2021-06-17 4:16 pm |
N/A 2031-06-14 |
C4 Therapeutics Inc. | CCCC | DOWNEY BRUCE Director |
23,500 | $0 | 23,500 (Direct) |
View |
2021-06-15 Option Award |
2021-06-17 4:16 pm |
N/A 2031-06-14 |
C4 Therapeutics Inc. | CCCC | Prokupets Elena Director |
23,500 | $0 | 23,500 (Direct) |
View |
2021-06-15 Option Award |
2021-06-17 4:15 pm |
N/A 2031-06-14 |
C4 Therapeutics Inc. | CCCC | Anderson Kenneth Carl Director |
23,500 | $0 | 23,500 (Direct) |
View |
2021-06-15 Option Award |
2021-06-17 4:15 pm |
N/A 2031-06-14 |
C4 Therapeutics Inc. | CCCC | Salter Malcolm Director |
23,500 | $0 | 23,500 (Direct) |
View |
2021-06-15 Option Award |
2021-06-17 4:15 pm |
N/A 2031-06-14 |
C4 Therapeutics Inc. | CCCC | COHEN ALAIN J Director |
23,500 | $0 | 23,500 (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 |
2021-06-14 Other |
2021-06-14 5:16 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | COHEN ALAIN J Director |
84,475 | $0 | 1,888,548 (Direct) |
View |
2021-04-13 Gift |
2021-04-14 4:39 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Anderson Kenneth Carl Director |
2,278 | $0 | 295,812 (Direct) |
View |
2021-04-14 Exercise |
2021-04-14 4:39 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Anderson Kenneth Carl Director |
267 | $2.11 | 295,812 (Direct) |
View |
2021-04-14 Exercise |
2021-04-14 4:39 pm |
N/A 2026-07-12 |
C4 Therapeutics Inc. | CCCC | Anderson Kenneth Carl Director |
711 | $0 | 295,812 (Direct) |
View |
2021-04-14 Exercise |
2021-04-14 4:39 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Anderson Kenneth Carl Director |
444 | $4.98 | 295,812 (Direct) |
View |
2021-04-05 Option Award |
2021-04-06 4:31 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Anderson Kenneth Carl Director |
233 | $37.51 | 288,159 (Direct) |
View |
2021-04-05 Exercise |
2021-04-06 4:30 pm |
N/A 2029-04-08 |
C4 Therapeutics Inc. | CCCC | Crystal Adam Chief Medical Officer |
15,000 | $0 | 157,292 (Direct) |
View |
2021-04-05 Exercise |
2021-04-06 4:30 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Crystal Adam Chief Medical Officer |
15,000 | $6.5 | 157,292 (Direct) |
View |
2021-04-05 Option Award |
2021-04-06 4:30 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Salter Malcolm Director |
359 | $37.51 | 16,353 (Direct) |
View |
2021-04-05 Option Award |
2021-04-06 4:30 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | COHEN ALAIN J Director 10% Owner |
266 | $37.51 | 4,204,023 (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 |
2021-03-12 Option Award |
2021-03-16 4:17 pm |
N/A 2031-03-11 |
C4 Therapeutics Inc. | CCCC | Dubin Glenn Director |
41,200 | $0 | 41,200 (Direct) |
View |
Ownership |
2021-03-16 4:15 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Dubin Glenn Director |
0 | $0 | 790,607 (Indirect) |
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 |
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 |
2021-02-11 Option Award |
2021-02-16 4:16 pm |
N/A 2031-02-10 |
C4 Therapeutics Inc. | CCCC | Wahlberg Laura Jean VP of Finance Corp Controller |
23,100 | $0 | 23,100 (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 |
2021-02-11 Option Award |
2021-02-16 4:15 pm |
N/A 2031-02-10 |
C4 Therapeutics Inc. | CCCC | Crystal Adam Chief Medical Officer |
87,850 | $0 | 87,850 (Direct) |
View |
2021-02-11 Option Award |
2021-02-16 4:15 pm |
N/A 2031-02-10 |
C4 Therapeutics Inc. | CCCC | Siegel Jolie Chief Legal Officer |
84,850 | $0 | 84,850 (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 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 2026-07-12 |
C4 Therapeutics Inc. | CCCC | Fisher Stewart Chief Scientific Officer |
22,744 | $0 | 232,186 (Direct) |
View |
2021-01-22 Exercise |
2021-01-26 4:34 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Anderson Kenneth Carl Director |
659 | $2.11 | 295,579 (Direct) |
View |
2021-01-22 Exercise |
2021-01-26 4:34 pm |
N/A 2026-07-12 |
C4 Therapeutics Inc. | CCCC | Anderson Kenneth Carl Director |
1,548 | $0 | 295,579 (Direct) |
View |
2021-01-22 Exercise |
2021-01-26 4:34 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Anderson Kenneth Carl Director |
889 | $4.98 | 295,579 (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 |