SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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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1. Name and Address of Reporting Person^*

Castellano James G

(Last)

(First)

(Middle)

C/O CORE & MAIN, INC.

1830 CRAIG PARK COURT

(Street)

ST. LOUIS

63146

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
07/23/2021

3. Issuer Name and Ticker or Trading Symbol
Core & Main, Inc. [ CNM ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

5. If Amendment, Date of 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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A Common Stock	142	I⁽¹⁾	By LLC

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Class B Common Stock and Limited Partnership Interests	⁽¹⁾⁽²⁾	⁽¹⁾⁽²⁾	Class A Common Stock	243,478	⁽¹⁾⁽²⁾	I⁽¹⁾⁽²⁾	By LLC

Explanation of Responses:

1. Represents securities held by Core & Main Management Feeder, LLC ("Management Feeder") in respect of common units of Management Feeder (the "Common Units") held by the reporting person. Pursuant to the terms of the Third Amended and Restated LLC Agreement of Management Feeder, dated as of July 22, 2021 (as amended, the "LLC Agreement"), vested Common Units held by the reporting person are redeemable at the discretion of the reporting person for shares of Class B common stock of the Issuer and limited partnership interests of Core & Main Holdings, LP, on a one-for-one basis (together, a "Paired Interest"). Upon a redemption of Common Units, the reporting person will also receive a distribution of the Class A common stock allocated to those Common Units. 229,608 of the Common Units are currently vested; half of the remaining Common Units will vest on August 1, 2021; and the other half will vest on August 1, 2022.

2. Pursuant to the terms of the Exchange Agreement, dated as of July 22, 2021 (the "Exchange Agreement"), Paired Interests are exchangeable at the discretion of the reporting person for shares of the Issuer's 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 the Issuer's Class A common stock sold in such public offering or private sale), net of any underwriting discounts and commissions, for each partnership interest exchanged, subject to certain exceptions, condition and adjustments. The Class B common stock and limited partnership interests have no expiration date.

Remarks:

Exhibit List: Ex.24 - Power of Attorney

	/s/ Mark Whittenburg, as Attorney-in-Fact for James G. Castellano	07/23/2021
	** Signature of Reporting Person	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 5 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.