Kathleen M. Mazzarella - 24 Jun 2025 Form 4 Insider Report for Core & Main, Inc. (CNM)

Role: Director
Signature: /s/ Mark Whittenburg, as Attorney-in-Fact for Kathleen M. Mazzarella
Issuer symbol: CNM
Transactions as of: 24 Jun 2025
Net transactions value: $0
Form type: 4
Filing time: 26 Jun 2025, 16:27:33 UTC
Previous filing: 25 Apr 2025
Next filing: 16 Jul 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
MAZZARELLA KATHLEEN M	Director	C/O CORE & MAIN, INC., 1830 CRAIG PARK COURT, ST. LOUIS	/s/ Mark Whittenburg, as Attorney-in-Fact for Kathleen M. Mazzarella	26 Jun 2025	0001273233

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CNM	Class A Common Stock	Award	$0	+2,189	+19%	$0.000000	13,958	24 Jun 2025	Direct	F1
holding	CNM	Class A Common Stock						82	24 Jun 2025	By LLC	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents restricted stock units granted as director compensation. The restricted stock units will vest upon the earlier to occur of the one year anniversary of the grant date or the Issuer's next annual meeting of shareholders to be held in 2026 and be settled in shares of Class A common stock, subject to the reporting person's continued service as a director of the Issuer.
F2	Represents securities held by Core & Main Management Feeder, LLC ("Management Feeder") in respect of common units ("Units") of Management Feeder held directly by the reporting person. Pursuant to the Fourth Amended and Restated LLC Agreement of Management Feeder, dated as of February 13, 2024, such vested Units held by the reporting person are redeemable at the discretion of the reporting person for shares of Class A common stock, on a one-for-one basis.

Content

Represents restricted stock units granted as director compensation. The restricted stock units will vest upon the earlier to occur of the one year anniversary of the grant date or the Issuer's next annual meeting of shareholders to be held in 2026 and be settled in shares of Class A common stock, subject to the reporting person's continued service as a director of the Issuer.

Represents securities held by Core & Main Management Feeder, LLC ("Management Feeder") in respect of common units ("Units") of Management Feeder held directly by the reporting person. Pursuant to the Fourth Amended and Restated LLC Agreement of Management Feeder, dated as of February 13, 2024, such vested Units held by the reporting person are redeemable at the discretion of the reporting person for shares of Class A common stock, on a one-for-one basis.