ACP Holdings Acquisition Corp. (Form: 4, Received: 04/10/2026 16:45:41)

FORM 4 ☐ Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). ☐ Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^* Mallozzi Andrew Emilio	2. Issuer Name and Ticker or Trading Symbol ACP Holdings Acquisition Corp. [ACGCU]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner __X__ Officer (give title below) _____ Other (specify below) CEO and Chairman of the Board
(Last) (First) (Middle) C/O ACP HOLDINGS ACQUISITION CORP. 3131 EASTSIDE STREET	3. Date of Earliest Transaction (MM/DD/YYYY) 4/8/2026
(Street) HOUSTON TEXAS 77098	4. If Amendment, Date Original Filed (MM/DD/YYYY)	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/Postal Code)
UNITED STATES
(Country)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A ordinary shares	4/8/2026		P		435,000	A	⁽¹⁾	435,000 ⁽²⁾	I	See footnote ⁽³⁾

*Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)*
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		7. Title and Amount of Securities Underlying Derivative Security (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)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:
(1)	Simultaneously with the consummation of ACP Holdings Acquisition Corp.'s (the "Issuer") initial public offering, Union Street Sponsor, LLC (the "Sponsor") purchased 435,000 private placement units ("Private Placement Units"), each consisting of (i) one Class A ordinary share and (ii) one-half of one redeemable warrant, at a price of $10.00 per unit, or $4,350,000 in the aggregate.
(2)	Reflects the 435,000 Class A ordinary shares comprising part of the Private Placement Units.
(3)	The Sponsor is the record holder of such shares. Union Street Management Sponsor, LLC is the managing member of the Sponsor. Andrew Mallozzi is the managing member of Union Street Management Sponsor, LLC, and has voting and investment discretion with respect to the securities held of record by the Sponsor. Mr. Mallozzi disclaims any beneficial ownership of the securities held by the Sponsor other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Mallozzi Andrew Emilio C/O ACP HOLDINGS ACQUISITION CORP. 3131 EASTSIDE STREET HOUSTON TEXAS 77098 UNITED STATES	X	X	CEO and Chairman of the Board

Signatures
/s/ Andrew Mallozzi		4/10/2026
^**Signature of Reporting Person		Date

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* Form 4: SEC 1474 (03-26).