Core & Main, Inc. — Director's Dealing 2026

Jan 28, 2026

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: Core & Main, Inc. (CNM)
CIK: 0001856525
Period of Report: 2026-01-26

Reporting Person: Giles Jeffrey D (EVP, Corporate Development)

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	2283	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Class B Common Stock and Limited Partnership Interests	$		Class A Common Stock (150177)		Indirect

Footnotes

F1: Pursuant to the terms of an exchange agreement, dated as of July 22, 2021 (as amended, the "Exchange Agreement"), 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") are exchangeable at the discretion of the reporting person for shares of Class A common stock of the Issuer ("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.

F2: Represents securities held by Core & Main Management Feeder, LLC ("Management Feeder") in respect of 150,177 vested common units ("Units") held indirectly by the reporting person through the Jeffrey D. Giles Revocable Trust (the "Trust"). Pursuant to the terms of the Fourth Amended and Restated LLC Agreement of Management Feeder, dated as of February 13, 2024 (as amended, the "LLC Agreement"), such vested Units held by the Trust are redeemable at the discretion of the Trust for Paired Interests, on a one-for-one basis.