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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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) 03/16/2026 (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 03/16/2026 S 5,055 D $3.9814(1) 517,320 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

Restricted Stock Units

(2)

03/16/2026

A

693,756

(3)

(3)

Class A Common Stock

693,756

$ 0

693,756

D

Performance Stock Units (Rule of 40)

(4)

03/16/2026

A

297,324

(5)

(5)

Class A Common Stock

297,324

$ 0

297,324

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		03/18/2026
**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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.96 to $4.02, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.
(2)	Each restricted stock unit is convertible into one share of Class A Common Stock.
(3)	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 September 1, December 1, March 1, and June 1 thereafter until fully vested, subject to the Reporting Person's continued service to the Issuer as of each vesting date.
(4)	Each performance stock unit is convertible into one share of Class A Common Stock.
(5)	Represents the number of shares which may be issued at target under the performance stock unit ("PSU") over a period of time following achievement of certain gross profit and adjusted EBITDA targets as set forth in the 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.
Remarks: Chief Administrative Officer and Corporate Secretary

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