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 5:19 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Officer | 10,409 | $2.71 | $28,208 | 519,328 (Direct) | View |
| 2023-01-17 Sale | 2023-01-18 8:14 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Off. | 6,233 | $5.74 | $35,777 | 423,487 (Direct) | View |
| 2022-01-18 Sale | 2022-01-19 6:25 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech Off. | 4,741 | $5.92 | $28,067 | 274,359 (Direct) | View |
| 2021-08-20 Sale | 2021-08-24 4:31 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2,216 | $11.01 | $24,398 | 152,368 (Direct) | View |
| 2021-07-20 Sale | 2021-07-22 4:32 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2,227 | $12.11 | $26,969 | 154,584 (Direct) | View |
| 2021-07-16 Sale | 2021-07-19 8:50 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 16,271 | $12.24 | $199,076 | 75,173 (Direct) | View |
| 2021-07-01 Sale | 2021-07-02 4:32 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B CS & Technology Officer | 1,886 | $13.6 | $25,650 | 123,385 (Direct) | View |
| 2021-06-21 Sale | 2021-06-23 4:30 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2,220 | $13.78 | $30,592 | 125,271 (Direct) | View |
| 2021-05-20 Sale | 2021-05-24 4:30 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 4,102 | $14.1 | $57,838 | 127,491 (Direct) | View |
| 2021-04-20 Sale | 2021-04-22 4:16 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 4,102 | $15.91 | $65,263 | 131,593 (Direct) | View |
| 2021-03-22 Sale | 2021-03-24 5:00 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 8,203 | $17.5 | $143,553 | 244,048 (Direct) | View |
| 2021-02-22 Sale | 2021-02-24 5:00 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 8,203 | $20.01 | $164,142 | 260,454 (Direct) | View |
| 2021-01-20 Sale | 2021-01-22 5:00 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 8,203 | $21.54 | $176,693 | 276,860 (Direct) | View |
| 2020-12-21 Sale | 2020-12-22 4:34 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 8,203 | $25.6 | $209,956 | 261,822 (Direct) | View |
| 2020-11-20 Sale | 2020-11-24 4:31 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 8,203 | $23.05 | $189,079 | 278,228 (Direct) | View |
| 2020-10-20 Sale | 2020-10-22 4:31 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 8,203 | $17.12 | $140,435 | 386,077 (Direct) | View |
| 2020-09-21 Sale | 2020-09-23 4:30 pm | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science, Tech. Officer | 20,614 | $20.66 | $425,832 | 153,469 (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 |
| 2024-01-15 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 |
| 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 |
| 2023-01-13 Option Award | 2023-01-18 8:14 pm | N/A 2033-01-12 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Off. | 206,250 | $0 | 423,487 (Direct) | View |
| 2023-01-14 Exercise | 2023-01-18 8:14 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Off. | 20,001 | $0 | 423,487 (Direct) | View |
| 2022-12-14 Exercise | 2022-12-16 4:46 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Off. | 11,111 | $1.4 | 270,463 (Direct) | View |
| 2022-12-14 Exercise | 2022-12-16 4:46 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Off. | 24,250 | $1.53 | 270,463 (Direct) | View |
| 2022-12-14 Exercise | 2022-12-16 4:46 pm | N/A 2024-01-09 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Off. | 35,361 | $0 | 270,463 (Direct) | View |
| 2022-01-14 Option Award | 2022-01-19 6:25 pm | N/A 2032-01-13 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech Off. | 105,417 | $0 | 274,359 (Direct) | View |
| 2022-01-14 Exercise | 2022-01-19 6:25 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech Off. | 30,418 | $0 | 274,359 (Direct) | View |
| 2021-12-20 Exercise | 2021-12-20 5:01 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 45,593 | $1.4 | 120,766 (Direct) | View |
| 2021-12-20 Exercise | 2021-12-20 5:01 pm | N/A 2022-10-02 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 45,593 | $0 | 120,766 (Direct) | View |
| 2021-08-20 Exercise | 2021-08-24 4:31 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2,216 | $6.16 | 152,368 (Direct) | View |
| 2021-08-20 Exercise | 2021-08-24 4:31 pm | N/A 2030-01-14 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2,216 | $0 | 152,368 (Direct) | View |
| 2021-07-20 Exercise | 2021-07-22 4:32 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2,227 | $6.16 | 154,584 (Direct) | View |
| 2021-07-20 Exercise | 2021-07-22 4:32 pm | N/A 2030-01-14 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2,227 | $0 | 154,584 (Direct) | View |
| 2021-07-15 Exercise | 2021-07-19 8:50 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 40,000 | $0 | 75,173 (Direct) | View |
| 2021-07-08 Exercise | 2021-07-09 5:25 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B CS & Technology Officer | 20,000 | $1.4 | 97,037 (Direct) | View |
| 2021-07-08 Exercise | 2021-07-09 5:25 pm | N/A 2022-10-01 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B CS & Technology Officer | 20,000 | $0 | 97,037 (Direct) | View |
| 2021-07-01 Exercise | 2021-07-02 4:32 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B CS & Technology Officer | 9 | $6.16 | 123,385 (Direct) | View |
| 2021-07-01 Exercise | 2021-07-02 4:32 pm | N/A 2029-01-22 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B CS & Technology Officer | 1,886 | $0 | 123,385 (Direct) | View |
| 2021-07-01 Exercise | 2021-07-02 4:32 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B CS & Technology Officer | 1,877 | $3.51 | 123,385 (Direct) | View |
| 2021-06-21 Exercise | 2021-06-23 4:30 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2,218 | $6.16 | 125,271 (Direct) | View |
| 2021-06-21 Exercise | 2021-06-23 4:30 pm | N/A 2029-01-22 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2,220 | $0 | 125,271 (Direct) | View |
| 2021-06-21 Exercise | 2021-06-23 4:30 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2 | $3.51 | 125,271 (Direct) | View |
| 2021-05-20 Exercise | 2021-05-24 4:30 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2,227 | $6.16 | 127,491 (Direct) | View |
| 2021-05-20 Exercise | 2021-05-24 4:30 pm | N/A 2029-01-22 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 4,102 | $0 | 127,491 (Direct) | View |
| 2021-05-20 Exercise | 2021-05-24 4:30 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 1,875 | $3.51 | 127,491 (Direct) | View |
| 2021-04-20 Exercise | 2021-04-22 4:16 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2,227 | $6.16 | 131,593 (Direct) | View |
| 2021-04-20 Exercise | 2021-04-22 4:16 pm | N/A 2029-01-22 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 4,102 | $0 | 131,593 (Direct) | View |
| 2021-04-20 Exercise | 2021-04-22 4:16 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 1,875 | $3.51 | 131,593 (Direct) | View |
| 2021-03-22 Exercise | 2021-03-24 5:00 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2,227 | $6.16 | 244,048 (Direct) | View |
| 2021-03-22 Exercise | 2021-03-24 5:00 pm | N/A 2029-01-22 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 8,203 | $0 | 244,048 (Direct) | View |
| 2021-03-22 Exercise | 2021-03-24 5:00 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 3,749 | $3.51 | 244,048 (Direct) | View |
| 2021-02-22 Exercise | 2021-02-24 5:00 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2,227 | $6.16 | 260,454 (Direct) | View |
| 2021-02-22 Exercise | 2021-02-24 5:00 pm | N/A 2029-01-22 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 8,203 | $0 | 260,454 (Direct) | View |
| 2021-02-22 Exercise | 2021-02-24 5:00 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 3,749 | $3.51 | 260,454 (Direct) | View |
| 2021-01-20 Exercise | 2021-01-22 5:00 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2,227 | $6.16 | 276,860 (Direct) | View |
| 2021-01-20 Exercise | 2021-01-22 5:00 pm | N/A 2029-01-22 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 8,203 | $0 | 276,860 (Direct) | View |
| 2021-01-20 Exercise | 2021-01-22 5:00 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 3,749 | $3.51 | 276,860 (Direct) | View |
| 2021-01-15 Option Award | 2021-01-20 7:05 pm | N/A 2031-01-15 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 160,417 | $0 | 215,611 (Direct) | View |
| 2021-01-15 Exercise | 2021-01-20 7:05 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 7,917 | $0 | 215,611 (Direct) | View |
| 2021-01-15 Tax Withholding | 2021-01-20 7:05 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2,324 | $21.09 | 215,611 (Direct) | View |
| 2020-12-28 Exercise | 2020-12-30 5:00 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 9,000 | $1.4 | 91,444 (Direct) | View |
| 2020-12-28 Exercise | 2020-12-30 5:00 pm | N/A 2022-10-01 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 9,000 | $0 | 91,444 (Direct) | View |
| 2020-12-21 Exercise | 2020-12-22 4:34 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2,227 | $6.16 | 261,822 (Direct) | View |
| 2020-12-21 Exercise | 2020-12-22 4:34 pm | N/A 2029-01-22 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 8,203 | $0 | 261,822 (Direct) | View |
| 2020-12-21 Exercise | 2020-12-22 4:34 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 3,749 | $3.51 | 261,822 (Direct) | View |
| 2020-11-20 Exercise | 2020-11-24 4:31 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 2,227 | $6.16 | 278,228 (Direct) | View |
| 2020-11-20 Exercise | 2020-11-24 4:31 pm | N/A 2029-01-22 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 8,203 | $0 | 278,228 (Direct) | View |
| 2020-11-20 Exercise | 2020-11-24 4:31 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 3,749 | $3.51 | 278,228 (Direct) | View |
| 2020-10-20 Exercise | 2020-10-22 4:31 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 15,240 | $1.4 | 386,077 (Direct) | View |
| 2020-10-20 Exercise | 2020-10-22 4:31 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 1,611 | $7.43 | 386,077 (Direct) | View |
| 2020-10-20 Exercise | 2020-10-22 4:31 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 4,454 | $6.16 | 386,077 (Direct) | View |
| 2020-10-20 Exercise | 2020-10-22 4:31 pm | N/A 2029-01-22 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 25,054 | $0 | 386,077 (Direct) | View |
| 2020-10-20 Exercise | 2020-10-22 4:31 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer | 3,749 | $3.51 | 386,077 (Direct) | View |
| 2020-09-21 Exercise | 2020-09-23 4:30 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science, Tech. Officer | 4,454 | $6.16 | 153,469 (Direct) | View |
| 2020-09-21 Exercise | 2020-09-23 4:30 pm | N/A 2029-01-23 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science, Tech. Officer | 8,203 | $0 | 153,469 (Direct) | View |
| 2020-09-21 Exercise | 2020-09-23 4:30 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science, Tech. Officer | 3,749 | $3.51 | 153,469 (Direct) | View |
| 2020-01-15 Option Award | 2020-01-16 4:32 pm | N/A 2030-01-15 | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science, Tech. Officer | 174,167 | $0 | 174,167 (Direct) | View |
| 2019-07-17 Option Award | 2019-07-19 4:03 pm | N/A N/A | Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Scientific Officer | 40,000 | $0 | 40,000 (Direct) | View |