Sec Form 4 Filing - Naheta Akshay Sudhir @ Bakkt Holdings, Inc. - 2025-04-21

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Naheta Akshay Sudhir 2. Issuer Name and Ticker or Trading Symbol Bakkt Holdings, Inc. [ BKKT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Co-CEO (Last) (First) (Middle) C/O BAKKT HOLDINGS, INC., 10000 AVALON BOULEVARD, SUITE 1000 3. Date of Earliest Transaction (MM/DD/YY) 04/21/2025 (Street) ALPHARETTA, GA30009 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 04/21/2025 A 11,426 ( 1 ) A $ 0 11,426 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Performance Units ( 2 ) 04/21/2025 A 1,607,717 ( 3 )( 4 ) 03/21/2028 Class A Common Stock 1,607,717 $ 0 1,607,717 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Naheta Akshay Sudhir C/O BAKKT HOLDINGS, INC. 10000 AVALON BOULEVARD, SUITE 1000 ALPHARETTA, GA30009 X Co-CEO Signatures /s/ Marc D'Annunzio Attorney-in-Fact for Akshay Naheta 04/22/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These securities are an inducement grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the issuer's Class A Common Stock. The RSUs will vest on March 21, 2026, subject to the reporting person's continued employment with the issuer as of the vesting date. ( 2 )These securities are an inducement grant of performance stock units ("PSUs"). Each PSU represents a contingent right to receive one share of the issuer's Class A Common Stock. ( 3 )The PSUs shall be eligible to vest over a three-year performance period following March 21, 2025 (the "Vesting Commencement Date") based on attainment of certain stock price metrics as provided below (the "Performance Period"). A total of 535,909 of the total PSUswill vest, subject to the reporting person's continued employment with the issuer through such vesting date, if the issuer's stock price (measured based on a rolling 90-day volume-weighted average price "VWAP") appreciates at any point during the Performance Period by100% above $9.33 per share (the "Reference Price"). [Continued to footnote 4] ( 4 )[Continued from footnote 3] For each additional 25% of stock price appreciation (measured based on a rolling 90-day VWAP) above the Reference Price during the Performance Period, limited to a maximum of eight (8) additional vesting tranches, an additional 133,976PSUs will vest, subject to the reporting person's continued employment with the issuer through such vesting date. No PSUs will vest in the event that the issuer's stock price (measured based on a rolling 90-day VWAP) does not appreciate above the Reference Price by atleast 100% during the Performance Period. Any PSUs that satisfy the above vesting conditions prior to the first anniversary of the Vesting Commencement Date will not vest unless and until the first anniversary of the Vesting Commencement Date.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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