X0508 4 2025-07-15 0 0001820302 Bakkt Holdings, Inc. BKKT 0001871559 D'Annunzio Marc C/O BAKKT HOLDINGS, INC. 10000 AVALON BOULEVARD, SUITE 1000 ALPHARETTA GA 30009 0 1 0 0 General Counsel & Secretary 0 Class A Common Stock 2025-07-15 4 S 0 559 18.21 D 69248 D Bakkt Opco Units Class A Common Stock 48188 48188 D Represents sale to cover tax obligations associated with the vesting of performance stock units ("PSUs"). Includes 50,229 shares of Class A Common Stock subject to restricted stock units and PSU awards that remain subject to vesting. Represents incentive units of Bakkt Management LLC, which units are, subject to certain limitations, redeemable at the request of the reporting person in exchange for the indicated number of common units of Bakkt Opco Holdings, LLC "(Bakkt Opco Units") and an equal number of shares of the issuer's Class V Common Stock. Pursuant to the terms of an Amended and Restated Exchange Agreement dated as of May 3, 2022, subject to certain conditions, Bakkt Opco Units together with an equal number of shares of the issuer's Class V Common Stock, are exchangeable by the reporting person for shares of the issuer's Class A Common Stock on a one-for-one basis. /s/ Marc D'Annunzio 2025-07-16