Statement of Changes in Beneficial Ownership (Form 4)

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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Whittenburg Mark G 2. Issuer Name and Ticker or Trading Symbol Core & Main, Inc. [CNM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) General Counsel and Secretary (Last) (First) (Middle) C/O CORE & MAIN, INC., 1830 CRAIG PARK COURT 3. Date of Earliest Transaction (Month/Day/Year) 06/06/2025 (Street) ST. LOUIS, MO 63146 4. If Amendment, Date Original Filed (Month/Day/Year) 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 06/06/2025 C(1) 900(2) A $ 0 10,591 D Class A Common Stock 06/06/2025 S(3) 900 D $60.0252(4) 9,691 D Class A Common Stock 06/09/2025 C(5) 49,100(6) A $ 0 58,791 D Class A Common Stock 06/09/2025 S(3) 49,100 D $60.0251(7) 9,691 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		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
Class B Common Stock and Limited Partnership Interests	(8)(9)	06/06/2025(8)(9)		J	V		900(2)	(8)(9)	(8)(9)	Class A Common Stock	900	$ 0	301,912	I(9)	By LLC
Class B Common Stock and Limited Partnership Interests	(8)	06/06/2025(8)		J	V	900(2)		(8)	(8)	Class A Common Stock	900	$ 0	900	D
Class B Common Stock and Limited Partnership Interests	(8)	06/06/2025(8)		C(1)			900(1)	(8)	(8)	Class A Common Stock	900	$ 0	0	D
Class B Common Stock and Limited Partnership Interests	(8)(9)	06/09/2025(8)(9)		J	V		49,100(6)	(8)(9)	(8)(9)	Class A Common Stock	49,100	$ 0	252,812	I(9)	By LLC
Class B Common Stock and Limited Partnership Interests	(8)	06/09/2025(8)		J	V	49,100(6)		(8)	(8)	Class A Common Stock	49,100	$ 0	49,100	D
Class B Common Stock and Limited Partnership Interests	(8)	06/09/2025(8)		C(5)			49,100(5)	(8)	(8)	Class A Common Stock	49,100	$ 0	0	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Whittenburg Mark G C/O CORE & MAIN, INC. 1830 CRAIG PARK COURT ST. LOUIS, MO 63146			General Counsel and Secretary

Signatures

/s/ Mark Whittenburg		06/10/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	On June 6, 2025, pursuant to the terms of an exchange agreement, dated as of July 22, 2021 (as amended, the "Exchange Agreement"), 900 shares of Class B common stock of the Issuer ("Class B common stock") and limited partnership interests of Core & Main Holdings, LP (together, a "Paired Interest") were exchanged for shares of Class A common stock of the Issuer ("Class A common stock"), on a one-for-one basis.
(2)	On June 6, 2025, pursuant to the terms of the Fourth Amended and Restated LLC Agreement of Core & Main Management Feeder, LLC ("Management Feeder"), dated as of February 13, 2024 (as amended, the "LLC Agreement"), 900 vested common units ("Units") held directly by the reporting person were redeemed at the discretion of the reporting person for 900 Paired Interests.
(3)	The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on October 11, 2024.
(4)	The price reported represents the weighted average price of shares of Class A common stock sold in multiple transactions at prices ranging from $60.0000 to $60.0550 per share. The reporting person will provide to the Issuer, or the Securities and Exchange Commission staff, upon request, information regarding the number of shares sold at each price within the range.
(5)	On June 9, 2025, pursuant to the terms of the Exchange Agreement, 49,100 shares of Class B common stock and a Paired Interest were exchanged for shares of Class A common stock, on a one-for-one basis.
(6)	On June 9, 2025, pursuant to the terms of the LLC Agreement, 49,100 vested Units held directly by the reporting person were redeemed at the discretion of the reporting person for 49,100 Paired Interests.
(7)	The price reported represents the weighted average price of shares of Class A common stock sold in multiple transactions at prices ranging from $60.0000 to $60.1000 per share. The reporting person will provide to the Issuer, or the Securities and Exchange Commission staff, upon request, information regarding the number of shares sold at each price within the range.
(8)	Pursuant to the terms of the Exchange Agreement, Paired Interests are exchangeable at the discretion of the reporting person for shares of Class A common stock on a one-for-one basis or, at the election of a majority of the disinterested members of the Issuer's board of directors, for cash from a substantially concurrent public offering or private sale (based on the price of Class A common stock sold in such public offering or private sale, net of any underwriting discounts and commissions, for each limited partnership interest exchanged, subject to certain exceptions, conditions and adjustments). The Class B common stock and limited partnership interests have no expiration date.
(9)	Represents securities held by Management Feeder in respect of Units directly held by the reporting person. Pursuant to the LLC Agreement, such vested Units held by the reporting person are redeemable at the discretion of the reporting person for Paired Interests, on a one-for-one basis.

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