X0609 4 2026-06-30 0 0001522540 Marqeta, Inc. MQ 0001405459 Linville Judson C false 180 GRAND AVENUE 6TH FLOOR OAKLAND CA 94612 1 0 0 0 0 Class A Common Stock 26055 D Class A Common Stock 41257 D Restricted Stock Units Class A Common Stock 16318 16318 D Stock Option (Right to Buy) 9 2030-05-13 Class B Common Stock 125000 125000 D Stock Option (Right to Buy) 85.96 2031-04-06 Class B Common Stock 25000 25000 D 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. Held jointly with spouse. Each restricted stock unit is convertible into one share of Class A Common Stock. This RSU grant, originally granted June 10, 2026 for 16,318 RSUs (post Reverse Stock Split), will vest in full on the earlier of (i) June 10, 2027 or (ii) the Issuer's next annual meeting of stockholders; provided, however, that all vesting will cease if the Reporting Person ceases to provide services to the Issuer, unless the Issuer's Board of Directors determines otherwise prior to the cessation of such services. The number of shares subject to RSUs reflects the Reverse Stock Split. The per share exercise price and number of shares subject to the option reflect the Reverse Stock Split. All of the shares subject to this option are fully vested and exercisable as of the date hereof. Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation. /s/ Tracy Foard, Attorney-in-Fact 2026-07-02