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 |
2021-09-27 Sale |
2021-09-29 6:33 pm |
C4 Therapeutics Inc. | CCCC | Prokupets Elena Director |
1,850 | $50.04 | $92,573 | 503,126 (Indirect) |
View |
2021-09-22 Sale |
2021-09-24 4:51 pm |
C4 Therapeutics Inc. | CCCC | Prokupets Elena Director |
32,743 | $50.28 | $1,646,251 | 504,437 (Indirect) |
View |
2021-09-17 Sale |
2021-09-21 7:26 pm |
C4 Therapeutics Inc. | CCCC | Prokupets Elena Director |
21,161 | $50.09 | $1,059,956 | 526,364 (Indirect) |
View |
2021-09-14 Sale |
2021-09-16 7:31 pm |
C4 Therapeutics Inc. | CCCC | Prokupets Elena Director |
81,676 | $48.78 | $3,984,396 | 510,385 (Indirect) |
View |
2021-09-10 Sale |
2021-09-14 4:10 pm |
C4 Therapeutics Inc. | CCCC | Prokupets Elena Director |
9,210 | $50.05 | $460,985 | 588,223 (Indirect) |
View |
2021-08-03 Sale |
2021-08-05 7:35 pm |
C4 Therapeutics Inc. | CCCC | Prokupets Elena Director |
14,407 | $45.16 | $650,587 | 681,447 (Indirect) |
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 |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
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 |
2020-10-06 Conversion |
2020-10-06 9:23 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Prokupets Elena Director |
6,711,447 | $0 | 592,873 (Indirect) |
View |
2020-10-01 Option Award |
2020-10-05 9:00 pm |
N/A 2030-09-30 |
C4 Therapeutics Inc. | CCCC | Prokupets Elena Director |
17,786 | $0 | 17,786 (Direct) |
View |
Ownership |
2020-10-01 9:18 pm |
N/A N/A |
C4 Therapeutics Inc. | CCCC | Prokupets Elena Director |
0 | $0 | 720,008 (Indirect) |
View |