Metsera, Inc. — Director's Dealing 2025

Jan 30, 2025

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: Metsera, Inc. (MTSR)
CIK: 0002040807
Period of Report: 2025-01-30

Reporting Person: FMR LLC (N/A)

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Series Seed Preferred Stock	$		Common Stock (1418606)		Indirect
Series A Preferred Stock	$		Common Stock (3120934)		Indirect

Footnotes

F1: The Series Seed Preferred Stock and Series A Preferred Stock are convertible on a 1-for-1 basis into the number of shares of Common Stock as shown in column 3 at any time at the holder's election, and automatically upon the closing of the Issuer's initial public offering without payment or further consideration, and have no expiration date.