Sarah J. Barkema - 21 Oct 2025 Form 3 Insider Report for Marqeta, Inc. (MQ)

Role: Principal Accounting Officer
Signature: /s/ Sarah J. Barkema
Issuer symbol: MQ
Transactions as of: 21 Oct 2025
Net transactions value: $0
Form type: 3
Filing time: 24 Oct 2025, 18:04:42 UTC
Previous filing: 13 Sep 2024
Next filing: 03 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Barkema Sarah	Principal Accounting Officer	180 GRAND AVENUE, 6TH FLOOR, OAKLAND	/s/ Sarah J. Barkema	24 Oct 2025	0001895086

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	MQ	Class A Common Stock						82,618	21 Oct 2025	Direct	F1

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
holding	MQ	Restricted Stock Units							21 Oct 2025	Class A Common Stock	201,329	$0.000000	Direct	F2, F3
holding	MQ	Restricted Stock Units							21 Oct 2025	Class A Common Stock	16,891	$0.000000	Direct	F2, F4
holding	MQ	Restricted Stock Units							21 Oct 2025	Class A Common Stock	54,153	$0.000000	Direct	F2, F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The securities reported herein were acquired by the Reporting Person prior to the Reporting Person becoming a Section 16 officer of the Issuer. The Reporting Person became subject to Section 16 reporting on October 21, 2025, following her designation as Principal Accounting Officer by the Issuer's Board of Directors.
F2	Each restricted stock unit is convertible into one share of Class A Common Stock.
F3	One-third (1/3rd) of the grant of restricted stock units vested on September 1, 2025 and are included in the shares reported in Table I (minus shares withheld by the Issuer to satisfy tax withholding and remittance obligations). An additional one-twelfth (1/12th) of the remaining restricted stock units vest on each December 1, March 1, June 1, and September 1 thereafter, with the final one-twelfth (1/12th) vesting on September 1, 2027, subject to the Reporting Person's continued service with the Issuer as of each vesting date.
F4	One-twelfth (1/12th) of the grant of restricted stock units vested on each of June 1, 2025 and September 1, 2025 and are included in the shares reported on Table I (minus shares withheld by the Issuer to satisfy tax withholding and remittance obligations). One-twelfth (1/12th) of the remaining restricted stock units vest on each December 1, March 1, June 1, and September 1 thereafter, with the final one-twelfth (1/12th) vesting on March 1, 2028, subject to the Reporting Person's continued service with the Issuer as of each vesting date.
F5	10% of the grant of restricted stock units vested on September 1, 2025 and are included in the shares reported on Table I (minus shares withheld by the Issuer to satisfy tax withholding and remittance obligations). 20% of the remaining restricted stock units vest on December 1, 2025, 20% vests on March 1, 2026, and 50% vests on June 1, 2026 , subject to the Reporting Person's continued service to the Issuer as of each vesting date.