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 |
2020-09-14 Sale |
2020-09-16 6:31 pm |
Mersana Therapeutics Inc. | MRSN | Jack Eva M. Chief Bus. Officer, Tres, Sec. |
35,248 | $22 | $775,456 | 35,248 (Direct) |
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Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2020-09-14 Exercise |
2020-09-16 6:31 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Jack Eva M. Chief Bus. Officer, Tres, Sec. |
35,248 | $1.53 | 35,248 (Direct) |
View |
2020-09-14 Exercise |
2020-09-16 6:31 pm |
N/A 2025-11-06 |
Mersana Therapeutics Inc. | MRSN | Jack Eva M. Chief Bus. Officer, Tres, Sec. |
35,248 | $0 | 35,248 (Direct) |
View |