13D Filings

Mersana Therapeutics, Inc.

CIK

1442836

Latest Filing

Jan 8, 2026, 04:30 PM

13D Filings
Filer
Latest Filing
% Owned
Type
Filed

Bain Capital Life Sciences Fund II, L.P.

0001193125-26-007752

0.00%

-4.00%

Amendment

Jan 8, 2026, 04:30 PM

BCLS II Investco, LP

0001193125-25-280672

4.00%

Amendment

Nov 13, 2025, 06:45 PM

Rows:

12 of 2

1