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 |
| 2021-01-19 Sale |
2021-01-20 7:03 pm |
Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Controller |
545 | $21.28 | $11,598 | 47,691 (Direct) |
View |
| 2021-01-08 Purchase |
2021-01-12 7:29 pm |
Mersana Therapeutics Inc. | MRSN | Hack Andrew A. F. Director |
250,000 | $18.36 | $4,590,000 | 3,695,667 (Indirect) |
View |
| 2021-01-04 Sale |
2021-01-06 7:00 pm |
Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Controller |
247 | $26.76 | $6,610 | 0 (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 |
| 2020-09-14 Sale |
2020-09-16 6:31 pm |
Mersana Therapeutics Inc. | MRSN | Jack Eva M. Chief Bus. Officer, Tres, Sec. |
35,248 | $22 | $775,456 | 35,248 (Direct) |
View |
| 2020-06-30 Purchase |
2020-07-06 4:15 pm |
Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Controller |
3,383 | $4.87 | $16,475 | 0 (Direct) |
View |
| 2020-07-02 Sale |
2020-07-06 4:15 pm |
Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Controller |
3,383 | $22.49 | $76,084 | 0 (Direct) |
View |
| 2020-06-01 Purchase |
2020-06-03 5:30 pm |
Mersana Therapeutics Inc. | MRSN | Alleva Lawrence M Director |
1,085 | $22.95 | $24,901 | 1,085 (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 |
| 2021-01-15 Exercise |
2021-01-20 7:03 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Controller |
834 | $0 | 47,691 (Direct) |
View |
| 2021-01-15 Tax Withholding |
2021-01-20 7:03 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Controller |
289 | $21.09 | 47,691 (Direct) |
View |
| 2021-01-15 Option Award |
2021-01-20 7:03 pm |
N/A 2031-01-15 |
Mersana Therapeutics Inc. | MRSN | Mandelia Ashish VP, Controller |
45,192 | $0 | 47,691 (Direct) |
View |
| 2021-01-15 Option Award |
2021-01-20 7:03 pm |
N/A 2031-01-15 |
Mersana Therapeutics Inc. | MRSN | MOTT DAVID M Director |
4,528 | $0 | 4,528 (Direct) |
View |
| 2021-01-15 Option Award |
2021-01-20 7:02 pm |
N/A 2031-01-15 |
Mersana Therapeutics Inc. | MRSN | Huber Martin H. Jr. Director |
2,490 | $0 | 2,490 (Direct) |
View |
| 2021-01-15 Option Award |
2021-01-20 7:02 pm |
N/A 2031-01-15 |
Mersana Therapeutics Inc. | MRSN | Hege Kristen Director |
2,547 | $0 | 2,547 (Direct) |
View |
| 2021-01-15 Option Award |
2021-01-20 7:01 pm |
N/A 2031-01-15 |
Mersana Therapeutics Inc. | MRSN | Dere Willard H Director |
3,141 | $0 | 3,141 (Direct) |
View |
| 2021-01-15 Option Award |
2021-01-20 7:00 pm |
N/A 2031-01-15 |
Mersana Therapeutics Inc. | MRSN | Alleva Lawrence M Director |
3,339 | $0 | 3,339 (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 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 |
| 2020-12-14 Other |
2020-12-15 4:15 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | MOTT DAVID M Director |
1,582 | $0 | 549,776 (Indirect) |
View |
| 2020-12-01 Other |
2020-12-03 07:01 am |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | MOTT DAVID M Director |
1,613 | $0 | 548,225 (Indirect) |
View |
| 2020-11-30 Option Award |
2020-12-02 4:30 pm |
N/A 2030-11-29 |
Mersana Therapeutics Inc. | MRSN | Yang Arvin Chief Medical Officer |
237,000 | $0 | 237,000 (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 |
| 2020-09-14 Other |
2020-11-12 4:30 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | MOTT DAVID M Director |
3,210 | $0 | 548,209 (Indirect) |
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 |
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 |
3,749 | $3.51 | 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 |
| 2020-09-21 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 |
| 2020-09-14 Exercise |
2020-09-16 6:31 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Jack Eva M. Chief Bus. Officer, Tres, Sec. |
35,248 | $1.53 | 35,248 (Direct) |
View |
| 2020-09-14 Exercise |
2020-09-16 6:31 pm |
N/A 2025-11-06 |
Mersana Therapeutics Inc. | MRSN | Jack Eva M. Chief Bus. Officer, Tres, Sec. |
35,248 | $0 | 35,248 (Direct) |
View |
| 2020-05-06 Gift |
2020-09-16 4:48 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Sonsini Peter W. 10% Owner |
1,146 | $0 | 2,062,185 (Indirect) |
View |
| 2020-09-14 Other |
2020-09-16 4:48 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Sonsini Peter W. 10% Owner |
2,030,844 | $0 | 2,062,185 (Indirect) |
View |
| 2020-09-14 Other |
2020-09-16 4:47 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | SANDELL SCOTT D 10% Owner |
2,041,227 | $0 | 2,072,194 (Indirect) |
View |
| 2020-09-14 Other |
2020-09-16 4:46 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | KERINS PATRICK J 10% Owner |
2,031,202 | $0 | 2,064,796 (Indirect) |
View |
| 2020-09-14 Other |
2020-09-16 4:45 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | Florence Anthony A. Jr. 10% Owner |
2,041,335 | $0 | 2,084,805 (Indirect) |
View |
| 2020-09-14 Other |
2020-09-16 4:44 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | BASKETT FOREST 10% Owner |
2,041,862 | $0 | 2,073,464 (Indirect) |
View |
| 2020-09-14 Other |
2020-09-16 4:43 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | NEA Partners 14 L.P. NEA 14 GP LTD 10% Owner |
2,020,000 | $0 | 7,999,520 (Indirect) |
View |
| 2020-09-14 Other |
2020-09-16 4:41 pm |
N/A N/A |
Mersana Therapeutics Inc. | MRSN | New Enterprise Associates 14 L.P. 10% Owner |
2,000,000 | $0 | 7,959,520 (Direct) |
View |
| 2020-06-25 Option Award |
2020-06-29 8:36 pm |
N/A 2030-06-25 |
Mersana Therapeutics Inc. | MRSN | Hack Andrew A. F. Director |
9,200 | $0 | 9,200 (Direct) |
View |
| 2020-06-25 Option Award |
2020-06-29 8:11 pm |
N/A 2030-06-25 |
Mersana Therapeutics Inc. | MRSN | Alleva Lawrence M Director |
9,200 | $0 | 9,200 (Direct) |
View |
| 2020-06-25 Option Award |
2020-06-29 8:11 pm |
N/A 2030-06-25 |
Mersana Therapeutics Inc. | MRSN | MOTT DAVID M Director |
9,200 | $0 | 9,200 (Direct) |
View |
| 2020-06-25 Option Award |
2020-06-29 8:11 pm |
N/A 2030-06-25 |
Mersana Therapeutics Inc. | MRSN | Hege Kristen Director |
9,200 | $0 | 9,200 (Direct) |
View |
| 2020-06-25 Option Award |
2020-06-29 8:09 pm |
N/A 2030-06-25 |
Mersana Therapeutics Inc. | MRSN | Dere Willard H Director |
9,200 | $0 | 9,200 (Direct) |
View |