X0508 4 2024-02-22 0 0001820302 Bakkt Holdings, Inc. BKKT 0001871512 Michael Gavin Constantine C/O BAKKT HOLDINGS, INC. 10000 AVALON BOULEVARD, SUITE 1000 ALPHARETTA GA 30009 1 1 0 0 CEO and President 0 Class A Common Stock 2024-02-22 4 F 0 93591 0.955 D 2271290 D In connection with the vesting of restricted stock units on February 13, 2024, 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 February 13, 2024. Includes 1,131,800 shares of Class A Common Stock subject to restricted stock units awards that remain subject to vesting. /s/ Marc D'Annunzio Attorney-in-Fact for Gavin Constantine Michael 2024-02-26