SEC FORM 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person ^*

Sumner Crystal

(Last)

(First)

(Middle)

180 GRAND AVENUE

6TH FLOOR

(Street)

OAKLAND

94612

(City)

(State)

(Zip)

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

3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026

4. If Amendment, Date of 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

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

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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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

Explanation of Responses:

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

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