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 7:25 pm |
Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Officer |
8,048 | $0.58 | $4,668 | 593,090 (Direct) |
View |
| 2025-01-15 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 |
| 2025-01-14 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 |
| 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 |
| 2024-01-16 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 |
| 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 7:25 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B SVP, Chief Sci.&Tech. Officer |
19,791 | $0 | 593,090 (Direct) |
View |
| 2025-01-14 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 |
| 2025-01-13 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 |
| 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 |
| 2024-01-15 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. |
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 |
| 2022-12-14 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 |
| 2022-01-14 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 2022-10-02 |
Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B Chief Science & Tech. Officer |
45,593 | $0 | 120,766 (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 |
| 2021-08-20 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 |
| 2021-08-20 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 |
| 2021-07-20 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 |
| 2021-07-20 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 |
| 2021-07-15 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 2022-10-01 |
Mersana Therapeutics Inc. | MRSN | Lowinger Timothy B CS & Technology Officer |
20,000 | $0 | 97,037 (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 |
| 2021-07-01 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 |
9 | $6.16 | 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 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 |
2,218 | $6.16 | 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 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 |
2,227 | $6.16 | 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 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 |
2,227 | $6.16 | 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 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 |
2,227 | $6.16 | 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 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 |
2,227 | $6.16 | 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 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 |
2,227 | $6.16 | 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 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 |
| 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 |
| 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 |
| 2020-12-28 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 |
| 2020-12-21 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 |
2,227 | $6.16 | 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 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 |
2,227 | $6.16 | 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 |
1,611 | $7.43 | 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 |
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 |
4,454 | $6.16 | 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 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 |
4,454 | $6.16 | 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 |