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

Role
President and CEO, Director
Signature
/s/ Matthew Lang, Attorney-in-fact for Christopher Whitten Bernard
Issuer symbol
MTSR
Transactions as of
20 May 2025
Net transactions value
$0
Form type
4
Filing time
22 May 2025, 19:36:40 UTC
Previous filing
30 Jan 2025
Next filing
13 Nov 2025
SEC
View on sec.gov

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 22 May 2025 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 +348,750 $0.000000 348,750 20 May 2025 Common Stock 348,750 $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