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 |
| 2024-01-16 Sale | 2024-01-17 5:21 pm | Mersana Therapeutics Inc. | MRSN | Protopapas Anna Director | 29,399 | $2.71 | $79,671 | 586,160 (Indirect Direct) | View |
| 2024-01-16 Sale | 2024-01-17 5:21 pm | Mersana Therapeutics Inc. | MRSN | MISRA TUSHAR SVP, Chief Manuf. Officer | 3,357 | $2.71 | $9,097 | 271,299 (Direct) | View |
| 2024-01-16 Sale | 2024-01-17 5:20 pm | Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Chief Accounting Officer | 5,025 | $2.71 | $13,618 | 137,018 (Direct) | View |
| 2024-01-16 Sale | 2024-01-17 5:19 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Officer | 10,409 | $2.71 | $28,208 | 519,328 (Direct) | View |
| 2024-01-16 Sale | 2024-01-17 5:18 pm | Mersana Therapeutics Inc. | MRSN | Carvajal Alejandra SVP, Chief Legal Officer | 4,381 | $2.71 | $11,873 | 334,278 (Direct) | View |
| 2024-01-16 Sale | 2024-01-17 5:18 pm | Mersana Therapeutics Inc. | MRSN | DeSchuytner Brian SVP, COO & CFO | 9,327 | $2.71 | $25,276 | 424,094 (Direct) | View |
| 2024-01-16 Sale | 2024-01-17 5:16 pm | Mersana Therapeutics Inc. | MRSN | Bala Mohan SVP, Chief Development Officer | 3,431 | $2.71 | $9,298 | 361,135 (Direct) | View |
| 2023-10-26 Sale | 2023-10-27 4:07 pm | Mersana Therapeutics Inc. | MRSN | Bala Mohan SVP, Chief Development Officer | 1,912 | $1.13 | $2,161 | 21,233 (Direct) | View |
| 2023-08-17 Sale | 2023-08-18 4:01 pm | Mersana Therapeutics Inc. | MRSN | MISRA TUSHAR SVP, Chief Manuf. Officer | 1,908 | $1.18 | $2,251 | 24,007 (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 |
| 2024-04-01 Option Award | 2024-04-03 8:14 pm | N/A 2034-03-31 | Mersana Therapeutics Inc. | MRSN | Alleva Lawrence M Director | 3,996 | $0 | 3,996 (Direct) | View |
| 2024-01-13 Exercise | 2024-01-17 5:21 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Protopapas Anna Director | 86,958 | $0 | 586,160 (Direct) | View |
| 2024-01-15 Option Award | 2024-01-17 5:21 pm | N/A 2034-01-14 | Mersana Therapeutics Inc. | MRSN | MISRA TUSHAR SVP, Chief Manuf. Officer | 229,167 | $0 | 271,299 (Direct) | View |
| 2024-01-13 Exercise | 2024-01-17 5:21 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | MISRA TUSHAR SVP, Chief Manuf. Officer | 8,541 | $0 | 271,299 (Direct) | View |
| 2024-01-15 Option Award | 2024-01-17 5:20 pm | N/A 2034-01-14 | Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Chief Accounting Officer | 91,667 | $0 | 137,018 (Direct) | View |
| 2024-01-13 Exercise | 2024-01-17 5:20 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Chief Accounting Officer | 12,780 | $0 | 137,018 (Direct) | View |
| 2024-01-15 Option Award | 2024-01-17 5:19 pm | N/A 2034-01-14 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Officer | 275,000 | $0 | 519,328 (Direct) | View |
| 2024-01-13 Exercise | 2024-01-17 5:19 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Officer | 29,375 | $0 | 519,328 (Direct) | View |
| 2024-01-15 Option Award | 2024-01-17 5:19 pm | N/A 2034-01-14 | Mersana Therapeutics Inc. | MRSN | Huber Martin H. Jr. President, CEO | 243,375 | $0 | 243,375 (Direct) | View |
| 2024-01-15 Option Award | 2024-01-17 5:18 pm | N/A 2034-01-14 | Mersana Therapeutics Inc. | MRSN | Carvajal Alejandra SVP, Chief Legal Officer | 275,000 | $0 | 334,278 (Direct) | View |
| 2024-01-13 Exercise | 2024-01-17 5:18 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Carvajal Alejandra SVP, Chief Legal Officer | 11,458 | $0 | 334,278 (Direct) | View |
| 2024-01-15 Option Award | 2024-01-17 5:18 pm | N/A 2034-01-14 | Mersana Therapeutics Inc. | MRSN | DeSchuytner Brian SVP, COO & CFO | 320,833 | $0 | 424,094 (Direct) | View |
| 2024-01-13 Exercise | 2024-01-17 5:18 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | DeSchuytner Brian SVP, COO & CFO | 26,458 | $0 | 424,094 (Direct) | View |
| 2024-01-15 Option Award | 2024-01-17 5:16 pm | N/A 2034-01-14 | Mersana Therapeutics Inc. | MRSN | Bala Mohan SVP, Chief Development Officer | 320,833 | $0 | 361,135 (Direct) | View |
| 2024-01-13 Exercise | 2024-01-17 5:16 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Bala Mohan SVP, Chief Development Officer | 8,750 | $0 | 361,135 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 4:15 pm | N/A 2034-01-01 | Mersana Therapeutics Inc. | MRSN | Alleva Lawrence M Director | 7,763 | $0 | 7,763 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 4:14 pm | N/A 2034-01-01 | Mersana Therapeutics Inc. | MRSN | Hege Kristen Director | 6,447 | $0 | 6,447 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 4:11 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Dere Willard H Director | 6,112 | $0 | 39,182 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 4:11 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | MOTT DAVID M Director | 8,810 | $0 | 598,289 (Direct) | View |
| 2023-10-25 Exercise | 2023-10-27 4:07 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Bala Mohan SVP, Chief Development Officer | 6,250 | $0 | 21,233 (Direct) | View |
| 2023-10-02 Option Award | 2023-10-04 4:31 pm | N/A 2033-10-01 | Mersana Therapeutics Inc. | MRSN | Huber Martin H. Jr. President, CEO | 9,102 | $0 | 9,102 (Direct) | View |
| 2023-10-02 Option Award | 2023-10-04 4:30 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Dere Willard H Director | 11,011 | $0 | 33,070 (Direct) | View |
| 2023-10-02 Option Award | 2023-10-04 4:29 pm | N/A 2033-10-01 | Mersana Therapeutics Inc. | MRSN | Hege Kristen Director | 9,523 | $0 | 9,523 (Direct) | View |
| 2023-10-02 Option Award | 2023-10-04 4:27 pm | N/A 2033-10-01 | Mersana Therapeutics Inc. | MRSN | Alleva Lawrence M Director | 14,047 | $0 | 14,047 (Direct) | View |
| 2023-10-02 Option Award | 2023-10-04 4:26 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | MOTT DAVID M Director | 15,873 | $0 | 589,479 (Direct) | View |
| 2023-09-11 Option Award | 2023-09-13 4:02 pm | N/A 2033-09-10 | Mersana Therapeutics Inc. | MRSN | Protopapas Anna Director | 16,643 | $0 | 396,744 (Direct) | View |
| 2023-09-11 Option Award | 2023-09-13 4:01 pm | N/A 2033-09-10 | Mersana Therapeutics Inc. | MRSN | Huber Martin H. Jr. President, CEO | 1,667,000 | $0 | 1,667,000 (Direct) | View |
| 2023-09-05 Option Award | 2023-09-07 5:59 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Carvajal Alejandra SVP, Chief Legal Officer | 50,000 | $0 | 50,000 (Direct) | View |
| 2023-09-05 Option Award | 2023-09-07 5:57 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Off. | 50,000 | $0 | 50,000 (Direct) | View |
| 2023-09-05 Option Award | 2023-09-07 5:55 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Chief Accounting Officer | 30,000 | $0 | 30,000 (Direct) | View |
| 2023-09-05 Option Award | 2023-09-07 5:53 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | MISRA TUSHAR SVP, Chief Manuf. Officer | 50,000 | $0 | 50,000 (Direct) | View |
| 2023-09-05 Option Award | 2023-09-07 5:51 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | DeSchuytner Brian SVP, COO and CFO | 50,000 | $0 | 50,000 (Direct) | View |
Ownership | 2023-09-07 5:46 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Bala Mohan SVP, Chief Development Officer | 0 | $0 | 378,145 (Direct) | View |
| 2023-08-16 Exercise | 2023-08-18 4:01 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | MISRA TUSHAR SVP, Chief Manuf. Officer | 6,250 | $0 | 24,007 (Direct) | View |
Ownership | 2023-07-31 1:55 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | EcoR1 Capital LLC 10% Owner | 0 | $0 | 19,364,688 (Indirect) | View |
| 2023-07-03 Option Award | 2023-07-06 4:24 pm | N/A 2033-07-02 | Mersana Therapeutics Inc. | MRSN | Alleva Lawrence M Director | 5,391 | $0 | 5,391 (Direct) | View |
| 2023-07-03 Option Award | 2023-07-06 4:23 pm | N/A 2033-07-02 | Mersana Therapeutics Inc. | MRSN | Huber Martin H. Jr. Director | 4,477 | $0 | 4,477 (Direct) | View |
| 2023-07-03 Option Award | 2023-07-06 4:21 pm | N/A 2033-07-02 | Mersana Therapeutics Inc. | MRSN | Hege Kristen Director | 3,654 | $0 | 3,654 (Direct) | View |
| 2023-07-03 Option Award | 2023-07-06 4:19 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Dere Willard H Director | 4,217 | $0 | 22,059 (Direct) | View |
| 2023-07-03 Option Award | 2023-07-06 4:18 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | MOTT DAVID M Director | 6,079 | $0 | 573,606 (Direct) | View |
| 2023-06-08 Option Award | 2023-06-12 5:25 pm | N/A 2033-06-07 | Mersana Therapeutics Inc. | MRSN | Hack Andrew A. F. Director | 32,822 | $0 | 8,696,495 (Direct) | View |
| 2023-06-08 Option Award | 2023-06-12 4:19 pm | N/A 2033-06-07 | Mersana Therapeutics Inc. | MRSN | Diaz Allene M. Director | 32,822 | $0 | 32,822 (Direct) | View |
| 2023-06-08 Option Award | 2023-06-12 4:17 pm | N/A 2033-06-07 | Mersana Therapeutics Inc. | MRSN | Hege Kristen Director | 32,822 | $0 | 32,822 (Direct) | View |
| 2023-06-08 Option Award | 2023-06-12 4:16 pm | N/A 2033-06-07 | Mersana Therapeutics Inc. | MRSN | Huber Martin H. Jr. Director | 32,822 | $0 | 32,822 (Direct) | View |
| 2023-06-08 Option Award | 2023-06-12 4:15 pm | N/A 2033-06-07 | Mersana Therapeutics Inc. | MRSN | MOTT DAVID M Director | 32,822 | $0 | 585,882 (Direct) | View |