X0609 4 2026-08-19 0 0001522540 Marqeta, Inc. MQ 0001864306 Gardner Jason M. false 180 GRAND AVENUE 6TH FLOOR OAKLAND CA 94612 1 0 1 0 0 Class B Common Stock 2026-08-19 4 G 0 310148 0 D Class A Common Stock 310148 181986 I See Footnote Class B Common Stock 2026-08-19 4 G 0 310148 0 D Class A Common Stock 310148 181986 I See Footnote Class B Common Stock 2026-08-19 4 G 0 310148 0 A Class A Common Stock 310148 310148 D Class B Common Stock 2026-08-19 4 G 0 310148 0 A Class A Common Stock 310148 310148 I See Footnote Class B Common Stock Class A Common Stock 4856369 4856369 I See Footnote Class B Common Stock Class A Common Stock 1920000 1920000 I See Footnote 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. The shares are held directly by the Jason Gardner 2025 GRAT dated May 14, 2025 for which the Reporting Person is a trustee. The shares are held directly by the Jocelyne Gardner 2025 GRAT dated May 14, 2025 for which the Reporting Person is a trustee. The shares are held by the spouse of the Reporting Person. The shares are held directly by The Gardner 2008 Living Trust dated March 22, 2008 for which the Reporting Person and his spouse are trustees. The shares are held of record by trusts for the benefit of the Reporting Person's children and of which the trustee is an independent institution. The Reporting Person disclaims beneficial ownership of the shares held in the trusts for the benefit of the Reporting Person's children. /s/ Tracy Foard, Attorney-in-Fact 2026-08-21