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: Bernard Christopher Whitten (N/A)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	12767462	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$4.33	2034-09-26	Common Stock (1702328)		Direct

Footnotes

F1: Shares are held directly by Validae Health, L.P. Population Health GP LLC ("PHP GP LLC"), as the sole general partner of Validae Health, L.P., may be deemed to beneficially own the shares of common stock held by Validae Health, L.P. (the "Validae Shares"). As a member of PHP GP LLC, the Reporting Person may be deemed to share the power to direct the disposition and vote of the Validae Shares. The Reporting Person disclaims beneficial ownership except to any pecuniary interest therein.

F2: The options were granted on September 27, 2024. The options vest and become exercisable in 48 substantially equal monthly installments following the grant date.