[Form 4] Marqeta, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Marqeta, Inc. filed an insider report showing updated equity holdings for Chief Technology Officer Lukasz Strozek after a 1-for-4 reverse stock split effective June 30, 2026, with cash paid in lieu of fractional shares. Following the update, he reports no directly held Class A Common Stock.

The filing shows 482,539 Restricted Stock Units (RSUs), each convertible into one share of Class A Common Stock. This RSU grant was made on June 15, 2026 and is scheduled to vest one-third on June 1, 2027, with the remaining units vesting in equal quarterly installments, subject to continued service.

Strozek also holds 120,634 Performance Stock Units (Rule of 40), each convertible into one share of Class A Common Stock. These PSUs may be issued over time upon achievement of specified gross profit and adjusted EBITDA targets and continued service, with up to 200% of the target shares vesting at maximum performance.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Strozek Lukasz

Role Chief Technology Officer

Type	Security	Shares	Price	Value
holding	Performance Stock Units (Rule of 40)	--	--	--
holding	Restricted Stock Units	--	--	--
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Performance Stock Units (Rule of 40) — 120,634 shares (Direct, null); Restricted Stock Units — 482,539 shares (Direct, null); Class A Common Stock — 0 shares (Direct, null)

Footnotes (1)

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. Each performance stock unit ("PSU") is convertible into one share of Class A Common Stock. Represents the number of shares which may be issued at target under the PSU, granted June 15, 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. The number of shares subject to PSUs reflects the Reverse Stock Split. Each restricted stock unit ("RSU") is convertible into one share of Class A Common Stock. This RSU grant, originally granted June 15, 2026 for 482,539 RSUs (post Reverse Stock Split), of which no RSUs (post Reverse Stock Split) have vested, vests as to one-third (1/3rd) of the RSUs on June 1, 2027 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. The number of shares subject to RSUs reflects the Reverse Stock Split.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/02/2026 - 05:34 PM Accepted by SEC EDGAR 07/02/2026 - 05:34 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Strozek Lukasz

(Last) (First) (Middle)

180 GRAND AVENUE

6TH FLOOR

(Street)

OAKLAND CALIFORNIA 94612

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	Chief Technology Officer

2a. Foreign Trading Symbol

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

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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								0(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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Performance Stock Units (Rule of 40)	(2)							(3)	(3)	Class A Common Stock	120,634(4)		120,634(4)	D
Restricted Stock Units	(5)							(6)	(6)	Class A Common Stock	482,539(7)		482,539(7)	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 June 15, 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.

4. The number of shares subject to PSUs reflects the Reverse Stock Split.

5. Each restricted stock unit ("RSU") is convertible into one share of Class A Common Stock.

6. This RSU grant, originally granted June 15, 2026 for 482,539 RSUs (post Reverse Stock Split), of which no RSUs (post Reverse Stock Split) have vested, vests as to one-third (1/3rd) of the RSUs on June 1, 2027 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.

7. The number of shares subject to RSUs reflects the Reverse Stock Split.

Remarks:

	/s/ Tracy Foard, Attorney-in-Fact	07/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)