Christopher Whitten Bernard - May 20, 2025 Form 4 Insider Report for Metsera, Inc. (MTSR)

Signature
/s/ Matthew Lang, Attorney-in-fact for Christopher Whitten Bernard
Stock symbol
MTSR
Transactions as of
May 20, 2025
Transactions value $
$0
Form type
4
Date filed
5/22/2025, 07:36 PM
Previous filing
Jan 30, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Bernard Christopher Whitten President and CEO, Director C/O METSERA, INC. 3 WORLD TRADE CENTER, 175 GREENWICH STREET, NEW YORK /s/ Matthew Lang, Attorney-in-fact for Christopher Whitten Bernard 2025-05-22 0002043354

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MTSR Stock Option (Right to Buy) Award $0 +349K $0.00 349K May 20, 2025 Common Stock 349K $29.25 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The options will vest and become exercisable in 48 substantially equal monthly installments after the date of grant, such that the option will be vested in full on the fourth anniversary of the date of grant, subject to the Reporting Person's continued service through each such vesting date.

Remarks:

Exhibit List - Exhibit 24 - Power of Attorney