| Lastest Insider Transactions Of Mersana Therapeutics, Inc. ( MRSN ) |
| Symbol | Company Name | Insider Name | Title | Date | Transation | Share | Price | Amount | File Date |
| MRSN | Mersana Therapeutics, Inc. | Bala Mohan | SVP, Chief Development Officer | 2025-10-25 | Sell | 77 | 9.90 | 762 | 2025-10-28 16:10:09 |
| MRSN | Mersana Therapeutics, Inc. | Bala Mohan | SVP, Chief Development Officer | 2025-10-25 | Option Exercise | 250 | 0.00 | 0 | 2025-10-28 16:10:09 |
| MRSN | Mersana Therapeutics, Inc. | Mandelia Ashish | VP, Chief Accounting Officer | 2025-01-15 | Sell | 3,554 | 0.58 | 2,061 | 2025-01-17 19:27:39 |
| MRSN | Mersana Therapeutics, Inc. | Mandelia Ashish | VP, Chief Accounting Officer | 2025-01-15 | Option Exercise | 8,685 | 0.00 | 0 | 2025-01-17 19:27:39 |
| MRSN | Mersana Therapeutics, Inc. | Protopapas Anna | Directior | 2025-01-15 | Sell | 8,637 | 0.58 | 5,009 | 2025-01-17 19:26:45 |
| MRSN | Mersana Therapeutics, Inc. | Protopapas Anna | Directior | 2025-01-15 | Option Exercise | 21,250 | 0.00 | 0 | 2025-01-17 19:26:45 |
| MRSN | Mersana Therapeutics, Inc. | Lowinger Timothy B | SVP, Chief Sci.&Tech. Officer | 2025-01-15 | Sell | 8,048 | 0.58 | 4,668 | 2025-01-17 19:25:05 |
| MRSN | Mersana Therapeutics, Inc. | Lowinger Timothy B | SVP, Chief Sci.&Tech. Officer | 2025-01-15 | Option Exercise | 19,791 | 0.00 | 0 | 2025-01-17 19:25:05 |
| MRSN | Mersana Therapeutics, Inc. | Huber Martin H. Jr. | President, CEO | 2025-01-15 | Sell | 4,514 | 0.58 | 2,618 | 2025-01-17 19:21:15 |
| MRSN | Mersana Therapeutics, Inc. | Huber Martin H. Jr. | President, CEO | 2025-01-15 | Option Exercise | 11,062 | 0.00 | 0 | 2025-01-17 19:21:15 |
| MRSN | Mersana Therapeutics, Inc. | DeSchuytner Brian | SVP, COO & CFO | 2025-01-15 | Sell | 8,470 | 0.58 | 4,913 | 2025-01-17 19:20:02 |
| MRSN | Mersana Therapeutics, Inc. | DeSchuytner Brian | SVP, COO & CFO | 2025-01-15 | Option Exercise | 20,833 | 0.00 | 0 | 2025-01-17 19:20:02 |
| MRSN | Mersana Therapeutics, Inc. | Carvajal Alejandra | SVP, Chief Legal Officer | 2025-01-15 | Sell | 5,096 | 0.58 | 2,956 | 2025-01-17 19:18:50 |
| MRSN | Mersana Therapeutics, Inc. | Carvajal Alejandra | SVP, Chief Legal Officer | 2025-01-15 | Option Exercise | 12,500 | 0.00 | 0 | 2025-01-17 19:18:50 |
| MRSN | Mersana Therapeutics, Inc. | Bala Mohan | SVP, Chief Development Officer | 2025-01-15 | Sell | 5,939 | 0.58 | 3,445 | 2025-01-17 19:18:07 |
| MRSN | Mersana Therapeutics, Inc. | Bala Mohan | SVP, Chief Development Officer | 2025-01-15 | Option Exercise | 14,583 | 0.00 | 0 | 2025-01-17 19:18:07 |
| MRSN | Mersana Therapeutics, Inc. | Protopapas Anna | Directior | 2025-01-14 | Sell | 6,191 | 0.63 | 3,900 | 2025-01-16 17:25:34 |
| MRSN | Mersana Therapeutics, Inc. | Protopapas Anna | Directior | 2025-01-14 | Option Exercise | 16,750 | 0.00 | 0 | 2025-01-16 17:25:34 |
| MRSN | Mersana Therapeutics, Inc. | Mandelia Ashish | VP, Chief Accounting Officer | 2025-01-14 | Sell | 1,791 | 0.63 | 1,128 | 2025-01-16 17:25:10 |
| MRSN | Mersana Therapeutics, Inc. | Mandelia Ashish | VP, Chief Accounting Officer | 2025-01-14 | Option Exercise | 4,783 | 0.00 | 0 | 2025-01-16 17:25:10 |
| MRSN | Mersana Therapeutics, Inc. | Lowinger Timothy B | SVP, Chief Sci.&Tech. Officer | 2025-01-14 | Sell | 1,794 | 0.63 | 1,130 | 2025-01-16 17:24:40 |
| MRSN | Mersana Therapeutics, Inc. | Lowinger Timothy B | SVP, Chief Sci.&Tech. Officer | 2025-01-14 | Option Exercise | 4,792 | 0.00 | 0 | 2025-01-16 17:24:40 |
| MRSN | Mersana Therapeutics, Inc. | DeSchuytner Brian | SVP, COO & CFO | 2025-01-14 | Sell | 2,331 | 0.63 | 1,469 | 2025-01-16 17:23:58 |
| MRSN | Mersana Therapeutics, Inc. | DeSchuytner Brian | SVP, COO & CFO | 2025-01-14 | Option Exercise | 6,250 | 0.00 | 0 | 2025-01-16 17:23:58 |
| MRSN | Mersana Therapeutics, Inc. | Carvajal Alejandra | SVP, Chief Legal Officer | 2025-01-14 | Sell | 952 | 0.63 | 600 | 2025-01-16 17:23:27 |
| MRSN | Mersana Therapeutics, Inc. | Carvajal Alejandra | SVP, Chief Legal Officer | 2025-01-14 | Option Exercise | 2,500 | 0.00 | 0 | 2025-01-16 17:23:27 |
| MRSN | Mersana Therapeutics, Inc. | Protopapas Anna | Directior | 2025-01-13 | Sell | 11,534 | 0.66 | 7,612 | 2025-01-15 21:20:28 |
| MRSN | Mersana Therapeutics, Inc. | Protopapas Anna | Directior | 2025-01-13 | Option Exercise | 31,250 | 0.00 | 0 | 2025-01-15 21:20:28 |
| MRSN | Mersana Therapeutics, Inc. | Mandelia Ashish | VP, Chief Accounting Officer | 2025-01-13 | Sell | 1,007 | 0.66 | 665 | 2025-01-15 21:19:25 |
| MRSN | Mersana Therapeutics, Inc. | Mandelia Ashish | VP, Chief Accounting Officer | 2025-01-13 | Option Exercise | 2,646 | 0.00 | 0 | 2025-01-15 21:19:25 |
| MRSN | Mersana Therapeutics, Inc. | Lowinger Timothy B | SVP, Chief Sci.&Tech. Officer | 2025-01-13 | Sell | 3,483 | 0.66 | 2,299 | 2025-01-15 21:18:49 |
| MRSN | Mersana Therapeutics, Inc. | Lowinger Timothy B | SVP, Chief Sci.&Tech. Officer | 2025-01-13 | Option Exercise | 9,375 | 0.00 | 0 | 2025-01-15 21:18:49 |
| MRSN | Mersana Therapeutics, Inc. | DeSchuytner Brian | SVP, COO & CFO | 2025-01-13 | Sell | 3,713 | 0.66 | 2,451 | 2025-01-15 21:17:42 |
| MRSN | Mersana Therapeutics, Inc. | DeSchuytner Brian | SVP, COO & CFO | 2025-01-13 | Option Exercise | 10,000 | 0.00 | 0 | 2025-01-15 21:17:42 |
| MRSN | Mersana Therapeutics, Inc. | Carvajal Alejandra | SVP, Chief Legal Officer | 2025-01-13 | Sell | 3,330 | 0.66 | 2,198 | 2025-01-15 21:17:06 |
| MRSN | Mersana Therapeutics, Inc. | Carvajal Alejandra | SVP, Chief Legal Officer | 2025-01-13 | Option Exercise | 8,958 | 0.00 | 0 | 2025-01-15 21:17:06 |
| MRSN | Mersana Therapeutics, Inc. | Bala Mohan | SVP, Chief Development Officer | 2025-01-13 | Sell | 3,253 | 0.66 | 2,147 | 2025-01-15 21:16:15 |
| MRSN | Mersana Therapeutics, Inc. | Bala Mohan | SVP, Chief Development Officer | 2025-01-13 | Option Exercise | 8,750 | 0.00 | 0 | 2025-01-15 21:16:15 |
| MRSN | Mersana Therapeutics, Inc. | Bala Mohan | SVP, Chief Development Officer | 2024-10-25 | Sell | 1,884 | 1.90 | 3,580 | 2024-10-29 16:43:42 |
| MRSN | Mersana Therapeutics, Inc. | Bala Mohan | SVP, Chief Development Officer | 2024-10-25 | Option Exercise | 6,250 | 0.00 | 0 | 2024-10-29 16:43:42 |
| MRSN | Mersana Therapeutics, Inc. | DeSchuytner Brian | SVP, COO & CFO | 2024-10-01 | Sell | 13,687 | 1.98 | 27,150 | 2024-10-07 17:48:47 |
| MRSN | Mersana Therapeutics, Inc. | DeSchuytner Brian | SVP, COO & CFO | 2024-10-01 | Option Exercise | 50,000 | 0.00 | 0 | 2024-10-07 17:48:47 |
| MRSN | Mersana Therapeutics, Inc. | Carvajal Alejandra | SVP, Chief Legal Officer | 2024-10-01 | Sell | 13,687 | 1.98 | 27,150 | 2024-10-07 17:48:21 |
| MRSN | Mersana Therapeutics, Inc. | Carvajal Alejandra | SVP, Chief Legal Officer | 2024-10-01 | Option Exercise | 50,000 | 0.00 | 0 | 2024-10-07 17:48:21 |
| MRSN | Mersana Therapeutics, Inc. | Bala Mohan | SVP, Chief Development Officer | 2024-10-01 | Sell | 13,687 | 1.98 | 27,150 | 2024-10-07 17:47:51 |
| MRSN | Mersana Therapeutics, Inc. | Bala Mohan | SVP, Chief Development Officer | 2024-10-01 | Option Exercise | 50,000 | 0.00 | 0 | 2024-10-07 17:47:51 |
| MRSN | Mersana Therapeutics, Inc. | Mandelia Ashish | VP, Chief Accounting Officer | 2024-10-01 | Sell | 8,216 | 1.98 | 16,298 | 2024-10-07 17:47:18 |
| MRSN | Mersana Therapeutics, Inc. | Mandelia Ashish | VP, Chief Accounting Officer | 2024-10-01 | Option Exercise | 30,000 | 0.00 | 0 | 2024-10-07 17:47:18 |
| MRSN | Mersana Therapeutics, Inc. | Lowinger Timothy B | SVP, Chief Sci.&Tech. Officer | 2024-10-01 | Sell | 13,687 | 1.98 | 27,150 | 2024-10-07 17:46:19 |
| MRSN | Mersana Therapeutics, Inc. | Lowinger Timothy B | SVP, Chief Sci.&Tech. Officer | 2024-10-01 | Option Exercise | 50,000 | 0.00 | 0 | 2024-10-07 17:46:19 |
| MRSN | Mersana Therapeutics, Inc. | Huber Martin H. Jr. | President, CEO | 2024-09-11 | Sell | 50,423 | 1.76 | 88,744 | 2024-09-13 17:08:39 |
| MRSN | Mersana Therapeutics, Inc. | Huber Martin H. Jr. | President, CEO | 2024-09-11 | Option Exercise | 166,750 | 0.00 | 0 | 2024-09-13 17:08:39 |
| MRSN | Mersana Therapeutics, Inc. | Protopapas Anna | Directior | 2024-01-13 | Sell | 29,399 | 2.71 | 79,671 | 2024-01-17 17:21:52 |
| MRSN | Mersana Therapeutics, Inc. | Protopapas Anna | Directior | 2024-01-13 | Option Exercise | 86,958 | 0.00 | 0 | 2024-01-17 17:21:52 |
| MRSN | Mersana Therapeutics, Inc. | MISRA TUSHAR | SVP, Chief Manuf. Officer | 2024-01-13 | Sell | 3,357 | 2.71 | 9,097 | 2024-01-17 17:21:21 |
| MRSN | Mersana Therapeutics, Inc. | MISRA TUSHAR | SVP, Chief Manuf. Officer | 2024-01-13 | Option Exercise | 8,541 | 0.00 | 0 | 2024-01-17 17:21:21 |
| MRSN | Mersana Therapeutics, Inc. | Mandelia Ashish | VP, Chief Accounting Officer | 2024-01-13 | Sell | 5,025 | 2.71 | 13,618 | 2024-01-17 17:20:51 |
| MRSN | Mersana Therapeutics, Inc. | Mandelia Ashish | VP, Chief Accounting Officer | 2024-01-13 | Option Exercise | 12,780 | 0.00 | 0 | 2024-01-17 17:20:51 |
| MRSN | Mersana Therapeutics, Inc. | Lowinger Timothy B | SVP, Chief Sci.&Tech. Officer | 2024-01-13 | Sell | 10,409 | 2.71 | 28,208 | 2024-01-17 17:19:56 |
| MRSN | Mersana Therapeutics, Inc. | Lowinger Timothy B | SVP, Chief Sci.&Tech. Officer | 2024-01-13 | Option Exercise | 29,375 | 0.00 | 0 | 2024-01-17 17:19:56 |
| MRSN | Mersana Therapeutics, Inc. | Carvajal Alejandra | SVP, Chief Legal Officer | 2024-01-13 | Sell | 4,381 | 2.71 | 11,873 | 2024-01-17 17:18:46 |
| MRSN | Mersana Therapeutics, Inc. | Carvajal Alejandra | SVP, Chief Legal Officer | 2024-01-13 | Option Exercise | 11,458 | 0.00 | 0 | 2024-01-17 17:18:46 |
| MRSN | Mersana Therapeutics, Inc. | DeSchuytner Brian | SVP, COO & CFO | 2024-01-13 | Sell | 9,327 | 2.71 | 25,276 | 2024-01-17 17:18:01 |
| MRSN | Mersana Therapeutics, Inc. | DeSchuytner Brian | SVP, COO & CFO | 2024-01-13 | Option Exercise | 26,458 | 0.00 | 0 | 2024-01-17 17:18:01 |
| MRSN | Mersana Therapeutics, Inc. | Bala Mohan | SVP, Chief Development Officer | 2024-01-13 | Sell | 3,431 | 2.71 | 9,298 | 2024-01-17 17:16:56 |
| MRSN | Mersana Therapeutics, Inc. | Bala Mohan | SVP, Chief Development Officer | 2024-01-13 | Option Exercise | 8,750 | 0.00 | 0 | 2024-01-17 17:16:56 |
| MRSN | Mersana Therapeutics, Inc. | Bala Mohan | SVP, Chief Development Officer | 2023-10-25 | Sell | 1,912 | 1.13 | 2,161 | 2023-10-27 16:07:06 |
| MRSN | Mersana Therapeutics, Inc. | Bala Mohan | SVP, Chief Development Officer | 2023-10-25 | Option Exercise | 6,250 | 0.00 | 0 | 2023-10-27 16:07:06 |
| MRSN | Mersana Therapeutics, Inc. | MISRA TUSHAR | SVP, Chief Manuf. Officer | 2023-08-16 | Sell | 1,908 | 1.18 | 2,251 | 2023-08-18 16:01:45 |
| MRSN | Mersana Therapeutics, Inc. | MISRA TUSHAR | SVP, Chief Manuf. Officer | 2023-08-16 | Option Exercise | 6,250 | 0.00 | 0 | 2023-08-18 16:01:45 |
| MRSN | Mersana Therapeutics, Inc. | Carvajal Alejandra | SVP, Chief Legal Officer | 2023-04-26 | Sell | 3,944 | 3.89 | 15,342 | 2023-04-28 16:15:55 |
| MRSN | Mersana Therapeutics, Inc. | Carvajal Alejandra | SVP, Chief Legal Officer | 2023-04-26 | Option Exercise | 13,250 | 0.00 | 0 | 2023-04-28 16:15:55 |
| MRSN | Mersana Therapeutics, Inc. | Yang Arvin | SVP, Chief Medical Officer | 2023-01-13 | Sell | 2,209 | 5.74 | 12,680 | 2023-01-18 20:29:00 |
| MRSN | Mersana Therapeutics, Inc. | Yang Arvin | SVP, Chief Medical Officer | 2023-01-13 | Option Exercise | 7,084 | 0.00 | 0 | 2023-01-18 20:29:00 |
| MRSN | Mersana Therapeutics, Inc. | Protopapas Anna | President & CEO | 2023-01-13 | Sell | 17,346 | 5.74 | 99,566 | 2023-01-18 20:24:37 |
| MRSN | Mersana Therapeutics, Inc. | Protopapas Anna | President & CEO | 2023-01-13 | Option Exercise | 55,708 | 0.00 | 0 | 2023-01-18 20:24:37 |
| MRSN | Mersana Therapeutics, Inc. | Mandelia Ashish | VP, Controller | 2023-01-13 | Sell | 3,575 | 5.74 | 20,521 | 2023-01-18 20:20:02 |
| MRSN | Mersana Therapeutics, Inc. | Mandelia Ashish | VP, Controller | 2023-01-13 | Option Exercise | 10,136 | 0.00 | 0 | 2023-01-18 20:20:02 |
| MRSN | Mersana Therapeutics, Inc. | MISRA TUSHAR | SVP, CMO | 2023-01-13 | Sell | 458 | 5.74 | 2,629 | 2023-01-18 20:18:46 |
| MRSN | Mersana Therapeutics, Inc. | MISRA TUSHAR | SVP, CMO | 2023-01-13 | Option Exercise | 1,459 | 0.00 | 0 | 2023-01-18 20:18:46 |
| MRSN | Mersana Therapeutics, Inc. | Lowinger Timothy B | SVP, Chief Sci.&Tech. Off. | 2023-01-13 | Sell | 6,233 | 5.74 | 35,777 | 2023-01-18 20:14:59 |
| MRSN | Mersana Therapeutics, Inc. | Lowinger Timothy B | SVP, Chief Sci.&Tech. Off. | 2023-01-13 | Option Exercise | 20,001 | 0.00 | 0 | 2023-01-18 20:14:59 |
| MRSN | Mersana Therapeutics, Inc. | DeSchuytner Brian | SVP, Chief Financial Officer | 2023-01-13 | Sell | 5,131 | 5.74 | 29,452 | 2023-01-18 20:12:26 |
| MRSN | Mersana Therapeutics, Inc. | DeSchuytner Brian | SVP, Chief Financial Officer | 2023-01-13 | Option Exercise | 16,458 | 0.00 | 0 | 2023-01-18 20:12:26 |
| MRSN | Mersana Therapeutics, Inc. | Carvajal Alejandra | SVP, Chief Legal Officer | 2023-01-13 | Sell | 782 | 5.74 | 4,489 | 2023-01-18 20:09:39 |
| MRSN | Mersana Therapeutics, Inc. | Carvajal Alejandra | SVP, Chief Legal Officer | 2023-01-13 | Option Exercise | 2,500 | 0.00 | 0 | 2023-01-18 20:09:39 |
| MRSN | Mersana Therapeutics, Inc. | Lowinger Timothy B | SVP, Chief Sci.&Tech. Off. | 2022-12-14 | Option Exercise | 35,361 | 1.49 | 52,658 | 2022-12-16 16:46:33 |
