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: Visioli Christopher (N/A)

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$4.33	2034-09-26	Common Stock (255349)		Direct
Stock Option (Right to Buy)	$8.18	2034-11-11	Common Stock (340465)		Direct

Footnotes

F1: The options were granted on September 27, 2024. The options vest and become exercisable in 48 substantially equal monthly installments following the grant date.

F2: The options were granted on November 12, 2024. The options vest and become exercisable in 48 substantially equal monthly installments following October 28, 2024.