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 |
| 2025-01-16 Sale |
2025-01-17 7:27 pm |
Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Chief Accounting Officer |
3,554 | $0.58 | $2,061 | 161,687 (Direct) |
View |
| 2025-01-16 Sale |
2025-01-17 7:26 pm |
Mersana Therapeutics Inc. | MRSN | Protopapas Anna Director |
8,637 | $0.58 | $5,009 | 480,548 (Indirect Direct) |
View |
| 2025-01-16 Sale |
2025-01-17 7:25 pm |
Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Officer |
8,048 | $0.58 | $4,668 | 593,090 (Direct) |
View |
| 2025-01-16 Sale |
2025-01-17 7:21 pm |
Mersana Therapeutics Inc. | MRSN | Huber Martin H. Jr. President, CEO |
4,514 | $0.58 | $2,618 | 1,153,763 (Direct) |
View |
| 2025-01-16 Sale |
2025-01-17 7:20 pm |
Mersana Therapeutics Inc. | MRSN | DeSchuytner Brian SVP, COO & CFO |
8,470 | $0.58 | $4,913 | 508,893 (Direct) |
View |
| 2025-01-16 Sale |
2025-01-17 7:18 pm |
Mersana Therapeutics Inc. | MRSN | Carvajal Alejandra SVP, Chief Legal Officer |
5,096 | $0.58 | $2,956 | 413,713 (Direct) |
View |
| 2025-01-16 Sale |
2025-01-17 7:18 pm |
Mersana Therapeutics Inc. | MRSN | Bala Mohan SVP, Chief Development Officer |
5,939 | $0.58 | $3,445 | 456,372 (Direct) |
View |
| 2025-01-15 Sale |
2025-01-16 5:25 pm |
Mersana Therapeutics Inc. | MRSN | Protopapas Anna Director |
6,191 | $0.63 | $3,900 | 484,685 (Indirect Direct) |
View |
| 2025-01-15 Sale |
2025-01-16 5:25 pm |
Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Chief Accounting Officer |
1,791 | $0.63 | $1,128 | 57,171 (Direct) |
View |
| 2025-01-15 Sale |
2025-01-16 5:24 pm |
Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Officer |
1,794 | $0.63 | $1,130 | 250,721 (Direct) |
View |
| 2025-01-15 Sale |
2025-01-16 5:23 pm |
Mersana Therapeutics Inc. | MRSN | DeSchuytner Brian SVP, COO & CFO |
2,331 | $0.63 | $1,469 | 115,280 (Direct) |
View |
| 2025-01-15 Sale |
2025-01-16 5:23 pm |
Mersana Therapeutics Inc. | MRSN | Carvajal Alejandra SVP, Chief Legal Officer |
952 | $0.63 | $600 | 73,392 (Direct) |
View |
| 2025-01-14 Sale |
2025-01-15 9:20 pm |
Mersana Therapeutics Inc. | MRSN | Protopapas Anna Director |
11,534 | $0.66 | $7,612 | 519,876 (Indirect Direct) |
View |
| 2025-01-14 Sale |
2025-01-15 9:19 pm |
Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Chief Accounting Officer |
1,007 | $0.66 | $665 | 54,688 (Direct) |
View |
| 2025-01-14 Sale |
2025-01-15 9:18 pm |
Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Officer |
3,483 | $0.66 | $2,299 | 261,682 (Direct) |
View |
| 2025-01-14 Sale |
2025-01-15 9:17 pm |
Mersana Therapeutics Inc. | MRSN | DeSchuytner Brian SVP, COO & CFO |
3,713 | $0.66 | $2,451 | 125,111 (Direct) |
View |
| 2025-01-14 Sale |
2025-01-15 9:17 pm |
Mersana Therapeutics Inc. | MRSN | Carvajal Alejandra SVP, Chief Legal Officer |
3,330 | $0.66 | $2,198 | 87,261 (Direct) |
View |
| 2025-01-14 Sale |
2025-01-15 9:16 pm |
Mersana Therapeutics Inc. | MRSN | Bala Mohan SVP, Chief Development Officer |
3,253 | $0.66 | $2,147 | 77,728 (Direct) |
View |
| 2024-10-28 Sale |
2024-10-29 4:43 pm |
Mersana Therapeutics Inc. | MRSN | Bala Mohan SVP, Chief Development Officer |
1,884 | $1.9 | $3,580 | 60,981 (Direct) |
View |
| 2024-10-02 Sale |
2024-10-07 5:48 pm |
Mersana Therapeutics Inc. | MRSN | DeSchuytner Brian SVP, COO & CFO |
13,687 | $1.9836 | $27,150 | 94,824 (Direct) |
View |
| 2024-10-02 Sale |
2024-10-07 5:48 pm |
Mersana Therapeutics Inc. | MRSN | Carvajal Alejandra SVP, Chief Legal Officer |
13,687 | $1.9836 | $27,150 | 63,716 (Direct) |
View |
| 2024-10-02 Sale |
2024-10-07 5:47 pm |
Mersana Therapeutics Inc. | MRSN | Bala Mohan SVP, Chief Development Officer |
13,687 | $1.9836 | $27,150 | 50,365 (Direct) |
View |
| 2024-10-02 Sale |
2024-10-07 5:47 pm |
Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Chief Accounting Officer |
8,216 | $1.9836 | $16,298 | 47,757 (Direct) |
View |
| 2024-10-02 Sale |
2024-10-07 5:46 pm |
Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Officer |
13,687 | $1.9836 | $27,150 | 235,642 (Direct) |
View |
| 2024-09-12 Sale |
2024-09-13 5:08 pm |
Mersana Therapeutics Inc. | MRSN | Huber Martin H. Jr. President, CEO |
50,423 | $1.76 | $88,744 | 616,577 (Direct) |
View |
| 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 |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
| 2025-01-15 Exercise |
2025-01-17 7:27 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Chief Accounting Officer |
8,685 | $0 | 161,687 (Direct) |
View |
| 2025-01-15 Option Award |
2025-01-17 7:27 pm |
N/A 2035-01-14 |
Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Chief Accounting Officer |
91,667 | $0 | 161,687 (Direct) |
View |
| 2025-01-15 Exercise |
2025-01-17 7:26 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Protopapas Anna Director |
21,250 | $0 | 480,548 (Direct) |
View |
| 2025-01-15 Exercise |
2025-01-17 7:25 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Officer |
19,791 | $0 | 593,090 (Direct) |
View |
| 2025-01-15 Option Award |
2025-01-17 7:25 pm |
N/A 2035-01-14 |
Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Officer |
297,917 | $0 | 593,090 (Direct) |
View |
| 2025-01-15 Exercise |
2025-01-17 7:21 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Huber Martin H. Jr. President, CEO |
11,062 | $0 | 1,153,763 (Direct) |
View |
| 2025-01-15 Option Award |
2025-01-17 7:21 pm |
N/A 2035-01-14 |
Mersana Therapeutics Inc. | MRSN | Huber Martin H. Jr. President, CEO |
997,700 | $0 | 1,153,763 (Direct) |
View |
| 2025-01-15 Exercise |
2025-01-17 7:20 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | DeSchuytner Brian SVP, COO & CFO |
20,833 | $0 | 508,893 (Direct) |
View |
| 2025-01-15 Option Award |
2025-01-17 7:20 pm |
N/A 2035-01-14 |
Mersana Therapeutics Inc. | MRSN | DeSchuytner Brian SVP, COO & CFO |
343,750 | $0 | 508,893 (Direct) |
View |
| 2025-01-15 Exercise |
2025-01-17 7:18 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Carvajal Alejandra SVP, Chief Legal Officer |
12,500 | $0 | 413,713 (Direct) |
View |
| 2025-01-15 Option Award |
2025-01-17 7:18 pm |
N/A 2035-01-14 |
Mersana Therapeutics Inc. | MRSN | Carvajal Alejandra SVP, Chief Legal Officer |
297,917 | $0 | 413,713 (Direct) |
View |
| 2025-01-15 Exercise |
2025-01-17 7:18 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Bala Mohan SVP, Chief Development Officer |
14,583 | $0 | 456,372 (Direct) |
View |
| 2025-01-15 Option Award |
2025-01-17 7:18 pm |
N/A 2035-01-14 |
Mersana Therapeutics Inc. | MRSN | Bala Mohan SVP, Chief Development Officer |
343,750 | $0 | 456,372 (Direct) |
View |
| 2025-01-14 Exercise |
2025-01-16 5:25 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Protopapas Anna Director |
16,750 | $0 | 484,685 (Direct) |
View |
| 2025-01-14 Exercise |
2025-01-16 5:25 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Chief Accounting Officer |
4,783 | $0 | 57,171 (Direct) |
View |
| 2025-01-14 Exercise |
2025-01-16 5:24 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Officer |
4,792 | $0 | 250,721 (Direct) |
View |
| 2025-01-14 Exercise |
2025-01-16 5:23 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | DeSchuytner Brian SVP, COO & CFO |
6,250 | $0 | 115,280 (Direct) |
View |
| 2025-01-14 Exercise |
2025-01-16 5:23 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Carvajal Alejandra SVP, Chief Legal Officer |
2,500 | $0 | 73,392 (Direct) |
View |
| 2025-01-13 Exercise |
2025-01-15 9:20 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Protopapas Anna Director |
31,250 | $0 | 519,876 (Direct) |
View |
| 2025-01-13 Exercise |
2025-01-15 9:19 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Chief Accounting Officer |
2,646 | $0 | 54,688 (Direct) |
View |
| 2025-01-13 Exercise |
2025-01-15 9:18 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Officer |
9,375 | $0 | 261,682 (Direct) |
View |
| 2025-01-13 Exercise |
2025-01-15 9:17 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | DeSchuytner Brian SVP, COO & CFO |
10,000 | $0 | 125,111 (Direct) |
View |
| 2025-01-13 Exercise |
2025-01-15 9:17 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Carvajal Alejandra SVP, Chief Legal Officer |
8,958 | $0 | 87,261 (Direct) |
View |
| 2025-01-13 Exercise |
2025-01-15 9:16 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Bala Mohan SVP, Chief Development Officer |
8,750 | $0 | 77,728 (Direct) |
View |
| 2025-01-02 Option Award |
2025-01-03 4:39 pm |
N/A 2035-01-01 |
Mersana Therapeutics Inc. | MRSN | Alleva Lawrence M Director |
12,521 | $0 | 12,521 (Direct) |
View |
Ownership |
2024-12-30 4:12 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | NEXTECH CROSSOVER I SCSP Nextech Crossover I GP S.a r.l. Charoub Ian Constantinides Costas Sgobbo Rocco 10% Owner |
0 | $0 | 12,067,246 (Direct) |
View |
| 2024-12-19 Other |
2024-12-23 7:42 pm |
2024-12-20 N/A |
Mersana Therapeutics Inc. | MRSN | EcoR1 Capital LLC 10% Owner |
8,036,688 | $0 | 27,401,376 (Indirect) |
View |
| 2024-10-25 Exercise |
2024-10-29 4:43 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Bala Mohan SVP, Chief Development Officer |
6,250 | $0 | 60,981 (Direct) |
View |
| 2024-10-01 Exercise |
2024-10-07 5:48 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | DeSchuytner Brian SVP, COO & CFO |
50,000 | $0 | 94,824 (Direct) |
View |
| 2024-10-01 Exercise |
2024-10-07 5:48 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Carvajal Alejandra SVP, Chief Legal Officer |
50,000 | $0 | 63,716 (Direct) |
View |
| 2024-10-01 Exercise |
2024-10-07 5:47 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Bala Mohan SVP, Chief Development Officer |
50,000 | $0 | 50,365 (Direct) |
View |
| 2024-10-01 Exercise |
2024-10-07 5:47 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Chief Accounting Officer |
30,000 | $0 | 47,757 (Direct) |
View |
| 2024-10-01 Exercise |
2024-10-07 5:46 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Officer |
50,000 | $0 | 235,642 (Direct) |
View |
| 2024-10-01 Option Award |
2024-10-03 8:08 pm |
N/A 2034-09-30 |
Mersana Therapeutics Inc. | MRSN | Alleva Lawrence M Director |
9,615 | $0 | 9,615 (Direct) |
View |
| 2024-09-11 Exercise |
2024-09-13 5:08 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Huber Martin H. Jr. President, CEO |
166,750 | $0 | 616,577 (Direct) |
View |
| 2024-07-01 Option Award |
2024-07-02 4:25 pm |
N/A 2034-06-30 |
Mersana Therapeutics Inc. | MRSN | Alleva Lawrence M Director |
8,972 | $0 | 8,972 (Direct) |
View |
| 2024-06-11 Option Award |
2024-06-12 5:31 pm |
N/A 2034-06-10 |
Mersana Therapeutics Inc. | MRSN | Hack Andrew A. F. Director |
55,000 | $0 | 55,000 (Direct) |
View |
| 2024-06-11 Option Award |
2024-06-12 4:54 pm |
N/A 2034-06-10 |
Mersana Therapeutics Inc. | MRSN | Protopapas Anna Director |
55,000 | $0 | 55,000 (Direct) |
View |
| 2024-06-11 Option Award |
2024-06-12 4:53 pm |
N/A 2034-06-10 |
Mersana Therapeutics Inc. | MRSN | MOTT DAVID M Director |
55,000 | $0 | 55,000 (Direct) |
View |
| 2024-06-11 Option Award |
2024-06-12 4:52 pm |
N/A 2034-06-10 |
Mersana Therapeutics Inc. | MRSN | Hege Kristen Director |
55,000 | $0 | 55,000 (Direct) |
View |
| 2024-06-11 Option Award |
2024-06-12 4:51 pm |
N/A 2034-06-10 |
Mersana Therapeutics Inc. | MRSN | Diaz Allene M. Director |
55,000 | $0 | 55,000 (Direct) |
View |
| 2024-06-11 Option Award |
2024-06-12 4:51 pm |
N/A 2034-06-10 |
Mersana Therapeutics Inc. | MRSN | Dere Willard H Director |
55,000 | $0 | 55,000 (Direct) |
View |
| 2024-06-11 Option Award |
2024-06-12 4:49 pm |
N/A 2034-06-10 |
Mersana Therapeutics Inc. | MRSN | Alleva Lawrence M Director |
55,000 | $0 | 55,000 (Direct) |
View |
| 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 |