Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Sumner Crystal 2. Issuer Name and Ticker or Trading Symbol Marqeta, Inc. [MQ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) See Remarks (Last) (First) (Middle) 180 GRAND AVENUE, 6TH FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 06/30/2026 (Street) OAKLAND, CA 94612 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 148,731(1) D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Underlying Securities (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Performance Stock Units (Adjusted EBITDA)	(2)							(3)	(3)	Class A Common Stock	18,612(4)		18,612(4)	D
Performance Stock Units (Adjusted EBITDA)	(2)							(5)	(5)	Class A Common Stock	8,784(4)		8,784(4)	D
Performance Stock Units (Gross Profit)	(2)							(6)	(6)	Class A Common Stock	43,429(4)		43,429(4)	D
Performance Stock Units (Gross Profit)	(2)							(7)	(7)	Class A Common Stock	20,496(4)		20,496(4)	D
Performance Stock Units (Rule of 40)	(2)							(8)	(8)	Class A Common Stock	74,331(4)		74,331(4)	D
Restricted Stock Units	(9)							(10)	(10)	Class A Common Stock	20,489(11)		20,489(11)	D
Restricted Stock Units	(9)							(12)	(12)	Class A Common Stock	27,644(11)		27,644(11)	D
Restricted Stock Units	(9)							(13)	(13)	Class A Common Stock	68,321(11)		68,321(11)	D
Restricted Stock Units	(9)							(14)	(14)	Class A Common Stock	158,985(11)		158,985(11)	D
Stock Option (Right to Buy)	$16.28(15)							(16)	03/14/2033	Class A Common Stock	189,542(15)		189,542(15)	D
Stock Option (Right to Buy)	$16.28(15)							(17)	03/14/2033	Class A Common Stock	24,570(15)		24,570(15)	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Sumner Crystal 180 GRAND AVENUE 6TH FLOOR OAKLAND, CA 94612			See Remarks

Signatures

/s/ Tracy Foard, Attorney-in-Fact		07/02/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The number of shares beneficially owned reflects the 1-for-4 reverse stock split effected June 30, 2026 (the "Reverse Stock Split"). Cash was paid in lieu of any fractional shares resulting from the Reverse Stock Split.
(2)	Each performance stock unit ("PSU") is convertible into one share of Class A Common Stock.
(3)	Represents the number of shares which may be issued at target under the PSU, granted March 15, 2024, over a period of time following achievement of certain EBITDA targets as set forth in the applicable PSU agreement, subject to the Reporting Person's continued service to the Issuer as of each vesting date.
(4)	The number of shares subject to PSUs reflects the Reverse Stock Split.
(5)	Represents the number of shares which may be issued at target under the PSU, granted March 15, 2026, over a period of time following achievement of certain EBITDA targets as set forth in the applicable PSU agreement, subject to the Reporting Person's continued service to the Issuer as of each vesting date.
(6)	Represents the number of shares which may be issued at target under the PSU, granted March 15, 2024, over a period of time following achievement of certain profit targets as set forth in the applicable PSU agreement, subject to the Reporting Person's continued service to the Issuer as of each vesting date.
(7)	Represents the number of shares which may be issued at target under the PSU, granted March 15, 2025, over a period of time following achievement of certain profit targets as set forth in the applicable PSU agreement, subject to the Reporting Person's continued service to the Issuer as of each vesting date.
(8)	Represents the number of shares which may be issued at target under the PSU, granted March 16, 2026, over a period of time following achievement of certain gross profit and adjusted EBITDA targets as set forth in the applicable PSU agreement, subject to the Reporting Person's continued service to the Issuer as of each vesting date. At maximum achievement, 200% of the shares would vest.
(9)	Each restricted stock unit ("RSU") is convertible into one share of Class A Common Stock.
(10)	This RSU grant, originally granted March 15, 2023 for 109,274 RSUs (post Reverse Stock Split), of which 88,785 RSUs have vested, vested as to one-sixteenth (1/16th) of the RSUs on March 1, 2024 and one-sixteenth (1/16th) of the remaining RSUs vest quarterly on each June 1, September 1, December 1 and March 1 thereafter, subject to the Reporting Person's continued service to the Issuer as of each vesting date.
(11)	The number of shares subject to RSUs reflects the Reverse Stock Split.
(12)	This RSU grant, originally granted March 15, 2024 for 110,676 RSUs (post Reverse Stock Split), of which 82,932 RSUs have vested, vested as to one-twelfth (1/12th) of the RSUs on June 1, 2024 and one-twelfth (1/12th) of the remaining RSUs vest quarterly on each September 1, December 1, March 1 and June 1 thereafter, subject to the Reporting Person's continued service to the Issuer as of each vesting date.
(13)	This RSU grant, originally granted March 15, 2025 for 117121 RSUs (post Reverse Stock Split), of which 48,800 RSUs (post Reverse Stock Split) have vested, vested as to one-twelfth (1/12th) of the RSUs on June 1, 2025 and one-twelfth (1/12th) of the remaining restricted stock units vest quarterly on each September 1, December 1, March 1 and June 1 thereafter, subject to the Reporting Person's continued service to the Issuer as of each vesting date.
(14)	One-twelfth (1/12th) of the restricted stock units vest on June 1, 2026 and one-twelfth (1/12th) of the remaining restricted stock units vest quarterly on each June 1, September 1, December 1, and March 1 thereafter, subject to the Reporting Person's continued service to the Issuer as of each vesting date.
(15)	The per share exercise price and number of shares subject to the option reflect the Reverse Stock Split.
(16)	With regard to this option grant, originally granted March 15, 2023, 159,999 options (post Reverse Stock Split) have vested, and an additional one-forty-eighth (1/48th) of the stock option vests each month until fully vested and exercisable, subject to the Reporting Person's continued service with the Issuer as of each vesting date.
(17)	With regard to this option grant, originally granted March 15, 2023, 18,428 options (post Reverse Stock Split) have vested, and an additional 25% vests annually until fully vested and exercisable, subject to the Reporting Person's continued service with the Issuer as of each vesting date.
Remarks: Chief Administrative Officer and Corporate Secretary

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