Schedule 13G ownership disclosure
MERSANA THERAPEUTICS INC
Common Stock · CUSIP: 59045L106
Event date: 2025-06-30
- Filing-level shares
- 3,761,876
- Percent of class
- 3.0%
- BlackRock, Inc.
Shares: 3,761,876 · Class: 3.0%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0002052113-25-003092
- Form type
- SCHEDULE 13G/A
- Filer
- BlackRock, Inc.
- CIK
- CIK 2012383
- Filed
- Jul 17, 2025
- Reporting period
- Jun 30, 2025
- Description
- Schedule 13G beneficial ownership