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 |
2023-03-28 Sale |
2023-03-30 5:13 pm |
Codiak BioSciences Inc. | CDAK | Konstantinov Konstantin Chief Technology Officer |
9,364 | $0.20008 | $1,874 | 0 (Direct) |
View |
2022-08-17 Sale |
2023-02-21 4:32 pm |
Codiak BioSciences Inc. | CDAK | Konstantinov Konstantin Chief Technology Officer |
2,699 | $1.3776 | $3,718 | 28,432 (Direct) |
View |
2023-01-20 Sale |
2023-01-23 4:36 pm |
Codiak BioSciences Inc. | CDAK | Konstantinov Konstantin Chief Technology Officer |
1,069 | $0.5752 | $615 | 7,331 (Direct) |
View |
2021-06-08 Sale |
2021-09-28 4:05 pm |
Codiak BioSciences Inc. | CDAK | Konstantinov Konstantin Chief Technology Officer |
7,276 | $25.6 | $186,276 | 92,978 (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 |
2024-05-16 Option Award |
2024-05-20 7:27 pm |
2025-05-16 2034-05-16 |
REPLIGEN CORP | RGEN | Konstantinov Konstantin Director |
2,077 | $0 | 3,297 (Direct) |
View |
2023-05-18 Option Award |
2023-05-22 9:19 pm |
2024-05-18 2033-05-18 |
REPLIGEN CORP | RGEN | Konstantinov Konstantin Director |
2,173 | $0 | 2,707 (Direct) |
View |
2022-08-16 Exercise |
2023-02-21 4:32 pm |
N/A N/A |
Codiak BioSciences Inc. | CDAK | Konstantinov Konstantin Chief Technology Officer |
8,400 | $0 | 28,432 (Direct) |
View |
2023-01-24 Option Award |
2023-01-26 4:15 pm |
N/A 2033-01-23 |
Codiak BioSciences Inc. | CDAK | Konstantinov Konstantin Chief Technology Officer |
145,000 | $0 | 145,000 (Direct) |
View |
2023-01-19 Exercise |
2023-01-23 4:36 pm |
N/A N/A |
Codiak BioSciences Inc. | CDAK | Konstantinov Konstantin Chief Technology Officer |
2,800 | $0 | 7,331 (Direct) |
View |
2022-09-16 Option Award |
2022-09-20 4:15 pm |
N/A N/A |
Codiak BioSciences Inc. | CDAK | Konstantinov Konstantin Chief Technology Officer |
80,000 | $0 | 80,000 (Direct) |
View |
2022-05-26 Option Award |
2022-05-31 8:23 pm |
2023-05-26 2032-05-26 |
REPLIGEN CORP | RGEN | Konstantinov Konstantin Director |
4,330 | $0 | 4,330 (Direct) |
View |
2022-02-16 Option Award |
2022-02-18 4:05 pm |
N/A 2032-02-15 |
Codiak BioSciences Inc. | CDAK | Konstantinov Konstantin Chief Technology Officer |
28,000 | $0 | 28,000 (Direct) |
View |
2022-01-19 Option Award |
2022-01-21 4:05 pm |
N/A 2032-01-18 |
Codiak BioSciences Inc. | CDAK | Konstantinov Konstantin Chief Technology Officer |
50,400 | $0 | 50,400 (Direct) |
View |
2021-06-08 Exercise |
2021-09-28 4:05 pm |
N/A N/A |
Codiak BioSciences Inc. | CDAK | Konstantinov Konstantin Chief Technology Officer |
7,276 | $3.29 | 92,978 (Direct) |
View |
2021-06-08 Exercise |
2021-09-28 4:05 pm |
N/A 2026-02-18 |
Codiak BioSciences Inc. | CDAK | Konstantinov Konstantin Chief Technology Officer |
7,276 | $0 | 92,978 (Direct) |
View |
2021-01-22 Option Award |
2021-01-26 4:52 pm |
N/A 2031-01-21 |
Codiak BioSciences Inc. | CDAK | Konstantinov Konstantin See Remarks |
32,000 | $0 | 32,000 (Direct) |
View |
Ownership |
2020-10-13 9:37 pm |
N/A 2026-02-18 |
Codiak BioSciences Inc. | CDAK | Konstantinov Konstantin See Remarks |
0 | $0 | 191,888 (Direct) |
View |