X0508 4 2025-04-28 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 2025-04-28 4 F 0 3501 8.93 D 79807 D Bakkt Opco Units Class A Common Stock 48188 48188 D In connection with the vesting of restricted stock units ("RSUs") on April 22, 2025, the issuer withheld Class A Common Stock that would otherwise have been issued to the reporting person to satisfy such person's tax withholding obligations. The number of shares withheld was determined based on the closing price per share of Class A Common Stock on April 22, 2025. Includes 51,976 shares of Class A Common Stock subject to RSUs and PSUs 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 2025-04-30