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 |
2023-01-04 Purchase(A) |
2023-02-14 5:21 pm |
Comera Life Sciences Holdings Inc. | CMRA | Banerjee Sirshendu Roopom Director |
20,270 | $1.23 | $24,932 | 49,226 (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 |
2023-11-09 Option Award |
2023-11-14 4:31 pm |
2023-11-09 2033-11-09 |
Comera Life Sciences Holdings Inc. | CMRA | Banerjee Sirshendu Roopom Director |
122,487 | $0 | 122,487 (Direct) |
View |
2023-08-31 Option Award |
2023-09-01 4:42 pm |
2023-08-31 2033-08-10 |
Comera Life Sciences Holdings Inc. | CMRA | Banerjee Sirshendu Roopom Director |
75,934 | $0 | 75,934 (Direct) |
View |
2023-05-12 Option Award |
2023-05-16 5:47 pm |
2023-05-12 2033-05-12 |
Comera Life Sciences Holdings Inc. | CMRA | Banerjee Sirshendu Roopom Director |
44,642 | $0 | 44,642 (Direct) |
View |
2023-02-14 Option Award |
2023-02-16 6:30 pm |
N/A 2033-02-14 |
Comera Life Sciences Holdings Inc. | CMRA | Banerjee Sirshendu Roopom Director |
7,100 | $0 | 7,100 (Direct) |
View |
2022-05-19 Ownership |
2023-02-14 6:02 pm |
N/A 2031-09-16 |
Comera Life Sciences Holdings Inc. | CMRA | Banerjee Sirshendu Roopom Director |
44,981 | $0 | 44,981 (Direct) |
View |
2023-01-04 Option Award |
2023-01-06 4:16 pm |
2023-01-04 2028-01-04 |
Comera Life Sciences Holdings Inc. | CMRA | Banerjee Sirshendu Roopom Director |
20,270 | $0.25 | 49,226 (Direct) |
View |
2023-01-04 Option Award |
2023-01-06 4:16 pm |
N/A N/A |
Comera Life Sciences Holdings Inc. | CMRA | Banerjee Sirshendu Roopom Director |
20,270 | $1.23 | 49,226 (Direct) |
View |
Ownership |
2022-05-20 6:59 pm |
N/A N/A |
Comera Life Sciences Holdings Inc. | CMRA | Banerjee Sirshendu Roopom Director |
0 | $0 | 10,899 (Direct) |
View |