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MRSN - As of  01/21/25, 01:03:06 AM:   24 Insider Transactions.

Sector: Unknown    Industry: Unknown
Prev Close:$0.00  Avg Vol(3m): 0  P/E: 0.00  EPS: 0.00

Email this page to a friend.    Insider Transactions for MRSN

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
S 2020-11-19 13:29:25.0 Mersana Therapeutics MRSN New Enterprise Associates 14 5.8% view
S 2020-09-21 19:02:07.0 Mersana Therapeutics MRSN New Enterprise Associates 14 8.7% view
B 2020-07-10 10:39:45.0 Mersana Therapeutics MRSN BlackRock Inc 10.7% view
B 2020-04-24 14:17:36.0 Mersana Therapeutics MRSN New Enterprise Associates 14 12.9% view
B 2020-04-17 17:26:06.0 Mersana Therapeutics MRSN Bain Capital Life Sciences Fund II 5.2% view
S 2020-02-14 14:41:33.0 Mersana Therapeutics MRSN BIOTECHNOLOGY VALUE FUND L P 7.4% view
B 2020-02-07 08:45:10.0 Mersana Therapeutics MRSN BlackRock Inc 5.1% view
B 2019-12-20 20:22:25.0 Mersana Therapeutics MRSN Venrock Healthcare Capital Partners II 5.2% view
B 2019-10-09 17:30:31.0 Mersana Therapeutics MRSN BIOTECHNOLOGY VALUE FUND L P 10.3% view
B 2019-03-13 18:17:38.0 Mersana Therapeutics MRSN New Enterprise Associates 14 2.59% view
B 2019-03-11 17:21:55.0 Mersana Therapeutics MRSN BIOTECHNOLOGY VALUE FUND L P 5.2% view
B 2019-03-11 16:18:22.0 Mersana Therapeutics MRSN Sarissa Capital Management LP 7.9% view
B 2019-02-14 07:53:43.0 Mersana Therapeutics MRSN ArrowMark Colorado Holdings LLC 8.75% view
S 2019-01-10 09:37:00.0 Mersana Therapeutics MRSN WELLINGTON MANAGEMENT GROUP LLP 4.17% view
S 2018-02-14 12:03:19.0 Mersana Therapeutics MRSN Rock Springs Capital Management LP 5.8% view
B 2018-02-13 17:16:03.0 Mersana Therapeutics MRSN PFIZER INC 9.71% view
S 2018-02-13 09:40:30.0 Mersana Therapeutics MRSN FMR LLC 3.885% view
B 2018-02-09 14:30:32.0 Mersana Therapeutics MRSN Rho Ventures V 5.9% view
B 2018-02-08 11:45:59.0 Mersana Therapeutics MRSN WELLINGTON MANAGEMENT GROUP LLP 10.63% view
B 2017-08-10 10:33:49.0 Mersana Therapeutics MRSN WELLINGTON MANAGEMENT GROUP LLP 10.46% view
B 2017-07-13 16:03:57.0 Mersana Therapeutics MRSN PFIZER INC n/a view
B 2017-07-11 14:02:16.0 Mersana Therapeutics MRSN New Enterprise Associates 14 2.59% view
B 2017-07-07 16:32:38.0 Mersana Therapeutics MRSN Rock Springs Capital Management LP 6.8% view
B 2017-07-06 11:10:17.0 Mersana Therapeutics n/a FMR LLC 7.661% view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.