Carla D. Harper - Sep 3, 2025 Form 3 Insider Report for Core & Main, Inc. (CNM)

Role
Senior VP, Human Resources
Signature
/s/ Mark Whittenburg, as Attorney-in-Fact for Carla D. Harper
Stock symbol
CNM
Transactions as of
Sep 3, 2025
Transactions value $
$0
Form type
3
Date filed
9/5/2025, 04:17 PM
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Harper Carla D Senior VP, Human Resources C/O CORE & MAIN, INC., 1830 CRAIG PARK COURT, ST. LOUIS /s/ Mark Whittenburg, as Attorney-in-Fact for Carla D. Harper 2025-09-05 0002084863

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding CNM Class A Common Stock 9.68K Sep 3, 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding CNM Options (Rights to Buy) Sep 3, 2025 Class A Common Stock 2.57K $20.81 Direct F2
holding CNM Options (Rights to Buy) Sep 3, 2025 Class A Common Stock 3.89K $22.11 Direct F3
holding CNM Options (Rights to Buy) Sep 3, 2025 Class A Common Stock 4.51K $50.12 Direct F4
holding CNM Options (Rights to Buy) Sep 3, 2025 Class A Common Stock 4.84K $46.27 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The total includes 889 shares of Class A common stock of the Issuer ("Class A common stock") and 8,786 restricted stock units ("RSUs") granted to the reporting person. Each RSU represents a contingent right to receive one share of Class A common stock. The unvested portion of the RSUs granted on August 31, 2021 vest on June 23, 2026. The unvested portion of the RSUs granted on March 10, 2023 vest on March 10, 2026. The unvested portion of the RSUs granted on March 7, 2024 vest in two equal installments on March 7, 2026 and March 7, 2027. The unvested portion of the RSUs granted on March 13, 2025 vest in three equal installments on March 11, 2026, March 11, 2027 and March 11, 2028. All RSU vesting is subject to the terms of the associated Participant Restricted Stock Unit Agreement.
F2 The options are fully vested.
F3 2,594 options are currently vested. The remaining options vest on March 10, 2026, subject to the terms of the associated Participant Stock Option Agreement.
F4 1,502 options are currently vested. The remaining options vest in two equal installments on March 7, 2026 and March 7, 2027, subject to the terms of the associated Participant Stock Option Agreement.
F5 The options vest in three equal installments on March 11, 2026, March 11, 2027 and March 11, 2028, subject to the terms of the associated Participant Stock Option Agreement.

Remarks:

Exhibit list: Ex. 24 - Power of Attorney