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: Hubbard Brian (N/A)

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$0.26	2033-05-25	Common Stock (319186)		Direct
Stock Option (Right to Buy)	$8.18	2034-11-27	Common Stock (106395)		Direct

Footnotes

F1: The options were granted on May 26, 2023. The options vest and become exercisable in four substantially equal annual installments following the grant date.

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