Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000935836-24-000771
Filing Date
2024-12-23
Accepted
2024-12-23 19:42:08
Documents
1
Period of Report
2024-12-19

Document Format Files

Seq Description Document Type Size
1 ownership.html 4  
1 ownership.xml 4 8538
  Complete submission text file 0000935836-24-000771.txt   10205
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 357 TEHAMA STREET #3 SAN FRANCISCO CA 94103
Business Address 357 TEHAMA STREET #3 SAN FRANCISCO CA 94103 415-448-6534
EcoR1 Capital, LLC (Reporting) CIK: 0001587114 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38129 | Film No.: 241575344