Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001104659-25-004593
Filing Date
2025-01-17
Accepted
2025-01-17 19:21:15
Documents
1
Period of Report
2025-01-15

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT tm253733-4_4seq1.html 4  
1 OWNERSHIP DOCUMENT tm253733-4_4seq1.xml 4 12895
  Complete submission text file 0001104659-25-004593.txt   14438
Mailing Address 840 MEMORIAL DRIVE CAMBRIDGE MA 02139
Business Address 840 MEMORIAL DRIVE CAMBRIDGE MA 02139 617-498-0020
Mersana Therapeutics, Inc. (Issuer) CIK: 0001442836 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)

Mailing Address C/O TESARO, INC. 1000 WINTER STREET, SUITE 3300 WALTHAM MA 02451
Business Address
Huber Martin H. Jr. (Reporting) CIK: 0001653276 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-38129 | Film No.: 25540063