Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001104659-25-003881
Filing Date
2025-01-15
Accepted
2025-01-15 21:20:28
Documents
1
Period of Report
2025-01-13

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT tm253488-7_4seq1.html 4  
1 OWNERSHIP DOCUMENT tm253488-7_4seq1.xml 4 9970
  Complete submission text file 0001104659-25-003881.txt   11517
Mailing Address MILLENNIUM PHARMACEUTICALS, INC. 40 LANDSDOWNE STREET CAMBRIDGE MA 02139
Business Address
Protopapas Anna (Reporting) CIK: 0001347582 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-38129 | Film No.: 25534150

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)