Mersana Therapeutics, Inc. Insider Trading for September 2020
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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview
Overview of insider trading in Mersana Therapeutics, Inc. for September 2020.
| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 23 2020 | MRSN | Mersana Therapeuti ... | Lowinger Timothy B | Chief Science, Tech ... | Option Exercise | M | 6.16 | 4,454 | 27,437 | 115,043 | |
| Sep 23 2020 | MRSN | Mersana Therapeuti ... | Lowinger Timothy B | Chief Science, Tech ... | Option Exercise | M | 3.51 | 3,749 | 13,159 | 38,426 | |
| Sep 23 2020 | MRSN | Mersana Therapeuti ... | Lowinger Timothy B | Chief Science, Tech ... | Sell | S | 20.66 | 12,411 | 256,379 | 0 | 12.4 K to 0 (-100.00 %) |
| Sep 23 2020 | MRSN | Mersana Therapeuti ... | Lowinger Timothy B | Chief Science, Tech ... | Sell | S | 20.66 | 4,454 | 92,008 | 12,411 | 16.9 K to 12.4 K (-26.41 %) |
| Sep 23 2020 | MRSN | Mersana Therapeuti ... | Lowinger Timothy B | Chief Science, Tech ... | Buy | M | 6.16 | 4,454 | 27,437 | 16,865 | 12.4 K to 16.9 K (+35.89 %) |
| Sep 23 2020 | MRSN | Mersana Therapeuti ... | Lowinger Timothy B | Chief Science, Tech ... | Sell | S | 20.66 | 3,749 | 77,445 | 12,411 | 16.2 K to 12.4 K (-23.20 %) |
| Sep 23 2020 | MRSN | Mersana Therapeuti ... | Lowinger Timothy B | Chief Science, Tech ... | Buy | M | 3.51 | 3,749 | 13,159 | 16,160 | 12.4 K to 16.2 K (+30.21 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Jack Eva M. | Chief Bus. Officer, ... | Option Exercise | M | 1.53 | 35,248 | 53,929 | 35,248 | |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Jack Eva M. | Chief Bus. Officer, ... | Sell | S | 22.00 | 35,248 | 775,456 | 0 | 35.2 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Jack Eva M. | Chief Bus. Officer, ... | Buy | M | 1.53 | 35,248 | 53,929 | 35,248 | 0 to 35.2 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Sonsini Peter W. | 10% Owner | Buy | J | 0.00 | 248 | 0 | 745 | 497 to 745 (+49.90 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Sonsini Peter W. | 10% Owner | Buy | J | 0.00 | 248 | 0 | 745 | 497 to 745 (+49.90 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Sonsini Peter W. | 10% Owner | Buy | J | 0.00 | 596 | 0 | 596 | 0 to 596 |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Sonsini Peter W. | 10% Owner | Buy | J | 0.00 | 596 | 0 | 596 | 0 to 596 |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Sonsini Peter W. | 10% Owner | Sell | J | 0.00 | 10,000 | 0 | 0 | 10 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Sonsini Peter W. | 10% Owner | Sell | J | 0.00 | 10,000 | 0 | 0 | 10 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Sonsini Peter W. | 10% Owner | Buy | J | 0.00 | 10,000 | 0 | 10,000 | 0 to 10 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Sonsini Peter W. | 10% Owner | Buy | J | 0.00 | 10,000 | 0 | 10,000 | 0 to 10 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Sonsini Peter W. | 10% Owner | Sell | J | 0.00 | 20,000 | 0 | 0 | 20 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Sonsini Peter W. | 10% Owner | Sell | J | 0.00 | 20,000 | 0 | 0 | 20 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Sonsini Peter W. | 10% Owner | Buy | J | 0.00 | 20,000 | 0 | 20,000 | 0 to 20 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Sonsini Peter W. | 10% Owner | Buy | J | 0.00 | 20,000 | 0 | 20,000 | 0 to 20 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Sonsini Peter W. | 10% Owner | Sell | J | 0.00 | 2,000,000 | 0 | 5,959,520 | 8 M to 6 M (-25.13 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Sonsini Peter W. | 10% Owner | Sell | J | 0.00 | 2,000,000 | 0 | 5,959,520 | 8 M to 6 M (-25.13 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Sonsini Peter W. | 10% Owner | Gift | G | 0.00 | 1,146 | 0 | 0 | 1.1 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Sonsini Peter W. | 10% Owner | Gift | G | 0.00 | 1,146 | 0 | 0 | 1.1 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 343 | 0 | 829 | 486 to 829 (+70.58 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 343 | 0 | 829 | 486 to 829 (+70.58 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 486 | 0 | 486 | 0 to 486 |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 486 | 0 | 486 | 0 to 486 |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 138 | 0 | 138 | 0 to 138 |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 138 | 0 | 138 | 0 to 138 |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 138 | 0 | 138 | 0 to 138 |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 138 | 0 | 138 | 0 to 138 |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 4,391 | 0 | 10,260 | 5.9 K to 10.3 K (+74.82 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 4,391 | 0 | 10,260 | 5.9 K to 10.3 K (+74.82 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 5,830 | 0 | 5,869 | 39 to 5.9 K (+14,948.72 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 5,830 | 0 | 5,869 | 39 to 5.9 K (+14,948.72 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 39 | 0 | 39 | 0 to 39 |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 39 | 0 | 39 | 0 to 39 |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Sell | J | 0.00 | 10,000 | 0 | 0 | 10 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Sell | J | 0.00 | 10,000 | 0 | 0 | 10 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 10,000 | 0 | 10,000 | 0 to 10 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 10,000 | 0 | 10,000 | 0 to 10 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Sell | J | 0.00 | 20,000 | 0 | 0 | 20 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Sell | J | 0.00 | 20,000 | 0 | 0 | 20 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 20,000 | 0 | 20,000 | 0 to 20 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Buy | J | 0.00 | 20,000 | 0 | 20,000 | 0 to 20 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Sell | J | 0.00 | 2,000,000 | 0 | 5,959,520 | 8 M to 6 M (-25.13 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | SANDELL SCOTT D | 10% Owner | Sell | J | 0.00 | 2,000,000 | 0 | 5,959,520 | 8 M to 6 M (-25.13 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | KERINS PATRICK J | 10% Owner | Buy | J | 0.00 | 372 | 0 | 3,594 | 3.2 K to 3.6 K (+11.55 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | KERINS PATRICK J | 10% Owner | Buy | J | 0.00 | 372 | 0 | 3,594 | 3.2 K to 3.6 K (+11.55 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | KERINS PATRICK J | 10% Owner | Buy | J | 0.00 | 830 | 0 | 3,222 | 2.4 K to 3.2 K (+34.70 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | KERINS PATRICK J | 10% Owner | Buy | J | 0.00 | 830 | 0 | 3,222 | 2.4 K to 3.2 K (+34.70 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | KERINS PATRICK J | 10% Owner | Sell | J | 0.00 | 10,000 | 0 | 0 | 10 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | KERINS PATRICK J | 10% Owner | Sell | J | 0.00 | 10,000 | 0 | 0 | 10 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | KERINS PATRICK J | 10% Owner | Buy | J | 0.00 | 10,000 | 0 | 10,000 | 0 to 10 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | KERINS PATRICK J | 10% Owner | Buy | J | 0.00 | 10,000 | 0 | 10,000 | 0 to 10 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | KERINS PATRICK J | 10% Owner | Sell | J | 0.00 | 20,000 | 0 | 0 | 20 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | KERINS PATRICK J | 10% Owner | Sell | J | 0.00 | 20,000 | 0 | 0 | 20 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | KERINS PATRICK J | 10% Owner | Buy | J | 0.00 | 20,000 | 0 | 20,000 | 0 to 20 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | KERINS PATRICK J | 10% Owner | Buy | J | 0.00 | 20,000 | 0 | 20,000 | 0 to 20 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | KERINS PATRICK J | 10% Owner | Sell | J | 0.00 | 2,000,000 | 0 | 5,959,520 | 8 M to 6 M (-25.13 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | KERINS PATRICK J | 10% Owner | Sell | J | 0.00 | 2,000,000 | 0 | 5,959,520 | 8 M to 6 M (-25.13 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Buy | J | 0.00 | 1,075 | 0 | 3,210 | 2.1 K to 3.2 K (+50.35 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Buy | J | 0.00 | 1,075 | 0 | 3,210 | 2.1 K to 3.2 K (+50.35 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Buy | J | 0.00 | 4,391 | 0 | 10,260 | 5.9 K to 10.3 K (+74.82 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Buy | J | 0.00 | 4,391 | 0 | 10,260 | 5.9 K to 10.3 K (+74.82 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Buy | J | 0.00 | 5,830 | 0 | 5,869 | 39 to 5.9 K (+14,948.72 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Buy | J | 0.00 | 5,830 | 0 | 5,869 | 39 to 5.9 K (+14,948.72 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Buy | J | 0.00 | 39 | 0 | 39 | 0 to 39 |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Buy | J | 0.00 | 39 | 0 | 39 | 0 to 39 |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Sell | J | 0.00 | 10,000 | 0 | 0 | 10 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Sell | J | 0.00 | 10,000 | 0 | 0 | 10 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Buy | J | 0.00 | 10,000 | 0 | 10,000 | 0 to 10 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Buy | J | 0.00 | 10,000 | 0 | 10,000 | 0 to 10 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Sell | J | 0.00 | 20,000 | 0 | 0 | 20 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Sell | J | 0.00 | 20,000 | 0 | 0 | 20 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Buy | J | 0.00 | 20,000 | 0 | 20,000 | 0 to 20 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Buy | J | 0.00 | 20,000 | 0 | 20,000 | 0 to 20 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Sell | J | 0.00 | 2,000,000 | 0 | 5,959,520 | 8 M to 6 M (-25.13 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | Florence Anthony A. Jr. | 10% Owner | Sell | J | 0.00 | 2,000,000 | 0 | 5,959,520 | 8 M to 6 M (-25.13 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Buy | J | 0.00 | 496 | 0 | 1,602 | 1.1 K to 1.6 K (+44.85 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Buy | J | 0.00 | 496 | 0 | 1,602 | 1.1 K to 1.6 K (+44.85 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Buy | J | 0.00 | 1,106 | 0 | 1,106 | 0 to 1.1 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Buy | J | 0.00 | 1,106 | 0 | 1,106 | 0 to 1.1 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Buy | J | 0.00 | 4,391 | 0 | 10,260 | 5.9 K to 10.3 K (+74.82 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Buy | J | 0.00 | 4,391 | 0 | 10,260 | 5.9 K to 10.3 K (+74.82 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Buy | J | 0.00 | 5,830 | 0 | 5,869 | 39 to 5.9 K (+14,948.72 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Buy | J | 0.00 | 5,830 | 0 | 5,869 | 39 to 5.9 K (+14,948.72 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Buy | J | 0.00 | 39 | 0 | 39 | 0 to 39 |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Buy | J | 0.00 | 39 | 0 | 39 | 0 to 39 |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Sell | J | 0.00 | 10,000 | 0 | 0 | 10 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Sell | J | 0.00 | 10,000 | 0 | 0 | 10 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Buy | J | 0.00 | 10,000 | 0 | 10,000 | 0 to 10 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Buy | J | 0.00 | 10,000 | 0 | 10,000 | 0 to 10 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Sell | J | 0.00 | 20,000 | 0 | 0 | 20 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Sell | J | 0.00 | 20,000 | 0 | 0 | 20 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Buy | J | 0.00 | 20,000 | 0 | 20,000 | 0 to 20 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Buy | J | 0.00 | 20,000 | 0 | 20,000 | 0 to 20 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Sell | J | 0.00 | 2,000,000 | 0 | 5,959,520 | 8 M to 6 M (-25.13 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | BASKETT FOREST | 10% Owner | Sell | J | 0.00 | 2,000,000 | 0 | 5,959,520 | 8 M to 6 M (-25.13 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | NEA Partners 14, L.P. | 10% Owner | Sell | J | 0.00 | 20,000 | 0 | 0 | 20 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | NEA Partners 14, L.P. | 10% Owner | Sell | J | 0.00 | 20,000 | 0 | 0 | 20 K to 0 (-100.00 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | NEA Partners 14, L.P. | 10% Owner | Buy | J | 0.00 | 20,000 | 0 | 20,000 | 0 to 20 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | NEA Partners 14, L.P. | 10% Owner | Buy | J | 0.00 | 20,000 | 0 | 20,000 | 0 to 20 K |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | NEA Partners 14, L.P. | 10% Owner | Sell | J | 0.00 | 2,000,000 | 0 | 5,959,520 | 8 M to 6 M (-25.13 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | NEA Partners 14, L.P. | 10% Owner | Sell | J | 0.00 | 2,000,000 | 0 | 5,959,520 | 8 M to 6 M (-25.13 %) |
| Sep 16 2020 | MRSN | Mersana Therapeuti ... | New Enterprise Associates 14, ... | 10% Owner | Sell | J | 0.00 | 2,000,000 | 0 | 5,959,520 | 8 M to 6 M (-25.13 %) |