Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000950170-25-113013
Filing Date
2025-09-04
Accepted
2025-09-04 14:58:55
Documents
1
Period of Report
2025-09-02

Document Format Files

Seq Description Document Type Size
1 4 ownership.html 4  
1 4 ownership.xml 4 16002
  Complete submission text file 0000950170-25-113013.txt   17684
Mailing Address 245 SUMMER STREET BOSTON MA 02210
Business Address 245 SUMMER STREET BOSTON MA 02210 6175706339
FMR LLC (Reporting) CIK: 0000315066 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42489 | Film No.: 251292973

Mailing Address 3 WORLD TRADE CENTER 175 GREENWICH STREET NEW YORK NY 10007
Business Address 3 WORLD TRADE CENTER 175 GREENWICH STREET NEW YORK NY 10007 (212) 784-6595
Metsera, Inc. (Issuer) CIK: 0002040807 (see all company filings)

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