Mark R. Witkowski - 09 Mar 2026 Form 4 Insider Report for Core & Main, Inc. (CNM)

Signature
/s/ Mark Whittenburg, as Attorney-in-Fact for Mark R. Witkowski
Issuer symbol
CNM
Transactions as of
09 Mar 2026
Net transactions value
$0
Form type
4
Filing time
11 Mar 2026, 17:10:42 UTC
Previous filing
20 Aug 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Witkowski Mark R Chief Executive Officer, Director C/O CORE & MAIN, INC., 1830 CRAIG PARK COURT, ST. LOUIS /s/ Mark Whittenburg, as Attorney-in-Fact for Mark R. Witkowski 11 Mar 2026 0001866738

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CNM Class A Common Stock Tax liability -478 -1.3% $49.96* 35,369 09 Mar 2026 Direct F1
transaction CNM Class A Common Stock Tax liability -937 -2.6% $49.38* 34,432 10 Mar 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares withheld by the Issuer for tax withholding purposes upon the vesting of a portion of restricted stock units granted to the reporting person.