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 |
| 2023-01-17 Sale | 2023-01-18 8:29 pm | Mersana Therapeutics Inc. | MRSN | Yang Arvin SVP, Chief Medical Officer | 2,209 | $5.74 | $12,680 | 317,903 (Direct) | View |
| 2022-12-01 Sale | 2022-12-02 4:01 pm | Mersana Therapeutics Inc. | MRSN | Yang Arvin Chief Medical Officer | 5,527 | $6.59 | $36,423 | 25,946 (Direct) | View |
| 2021-12-01 Sale | 2021-12-02 5:00 pm | Mersana Therapeutics Inc. | MRSN | Yang Arvin Chief Medical Officer | 5,527 | $6.81 | $37,639 | 31,473 (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 |
| 2023-01-14 Exercise | 2023-01-18 8:29 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Yang Arvin SVP, Chief Medical Officer | 7,084 | $0 | 317,903 (Direct) | View |
| 2023-01-13 Option Award | 2023-01-18 8:29 pm | N/A 2033-01-12 | Mersana Therapeutics Inc. | MRSN | Yang Arvin SVP, Chief Medical Officer | 265,833 | $0 | 317,903 (Direct) | View |
| 2022-11-30 Exercise | 2022-12-02 4:01 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Yang Arvin Chief Medical Officer | 18,500 | $0 | 25,946 (Direct) | View |
| 2022-01-14 Option Award | 2022-01-19 5:59 pm | N/A 2032-01-13 | Mersana Therapeutics Inc. | MRSN | Yang Arvin Chief Medical Officer | 155,833 | $0 | 168,806 (Direct) | View |
| 2021-11-30 Exercise | 2021-12-02 5:00 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Yang Arvin Chief Medical Officer | 18,500 | $0 | 31,473 (Direct) | View |
| 2020-11-30 Option Award | 2020-12-02 4:30 pm | N/A 2030-11-29 | Mersana Therapeutics Inc. | MRSN | Yang Arvin Chief Medical Officer | 237,000 | $0 | 237,000 (Direct) | View |