X0508 4 2025-03-27 0 0001820302 Bakkt Holdings, Inc. BKKT 0001886731 Main Andrew A C/O BAKKT HOLDINGS, INC. 10000 AVALON BOULEVARD, SUITE 1000 ALPHARETTA GA 30009 1 1 0 0 Co-CEO & President 0 Class A Common Stock 2025-03-27 4 F 0 51147 10.94 D 388138 D In connection with the vesting of restricted stock units ("RSUs") on March 26, 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 March 26, 2025. Includes 280,479 shares of Class A Common Stock subject to RSUs and performance stock units awards that remain subject to vesting. /s/ Marc D'Annunzio Attorney-in-Fact for Andrew A. Main 2025-03-31