Joshua Pinto - 20 May 2025 Form 4 Insider Report for Metsera, Inc. (MTSR)

Role
Director
Signature
/s/ Matthew Lang, Attorney-in-fact for Joshua Pinto
Issuer symbol
MTSR
Transactions as of
20 May 2025
Net transactions value
$0
Form type
4
Filing time
22 May 2025, 19:42:42 UTC
Previous filing
20 Feb 2025
Next filing
23 May 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Pinto Joshua Director C/O METSERA, INC. 3 WORLD TRADE CENTER, 175 GREENWICH STREET, NEW YORK /s/ Matthew Lang, Attorney-in-fact for Joshua Pinto 22 May 2025 0001992595

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 +16,125 $0.000000 16,125 20 May 2025 Common Stock 16,125 $29.25 Direct F1
transaction MTSR Stock Option (Right to Buy) Gift $0 -148,953 -100% $0.000000 0 22 May 2025 Common Stock 148,953 $4.33 Direct F2, F3
transaction MTSR Stock Option (Right to Buy) Gift $0 +148,953 $0.000000 148,953 22 May 2025 Common Stock 148,953 $4.33 By LLC F2, F3
* 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 12 substantially equal monthly installments after the date of grant, such that the option will be vested in full on the first anniversary of the date of grant, subject to the Reporting Person's continued service through each such vesting date.
F2 Reflects securities transferred by the Reporting Person to Maple DE Holdings LLC (the "LLC"). The units of the LLC are held by a trust for which the Reporting Person exercises investment control and is a beneficiary.
F3 The options were granted on September 27, 2024. The options vest and become exercisable in 36 substantially equal monthly installments following the grant date.

Remarks:

Exhibit List - Exhibit 24 - Power of Attorney