Gift or transfer — classified separately from trades.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Dec 31, 2025
Reporting period
Not applicable
Filed with the SEC
Jan 2, 2026
OfficerIndirect holdingGift / transfer
Context
Classification
gift transfer
Code G — gift, bequest or transfer
Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001866737-26-000002
Filed / recorded
Jan 2, 2026, 11:13 PM UTC
Added to OQRO
Oct 6, 2026, 7:14 PM UTC
Parser
form4-xml-v2
Data quality
Verified: identifiers matched exactly
Issuer
Core & Main, Inc.
Issuer CIK
1856525
Ticker
CNM
Reporting person
Mark G Whittenburg
Relationship
Officer
Officer title
General Counsel and Secretary
Security
Class B Common Stock and Limited Partnership Interests
Table
Derivative (Table II)
Transaction date
Dec 31, 2025
Transaction code
G
Shares / units
25,500
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
227,312
Ownership form
Indirect — By LLC
Amendment
No
Footnotes from the filing
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.
Represents securities held by Core & Main Management Feeder, LLC ("Management Feeder") in respect of 25,500 vested common units (the "Charitable Donation Units") transferred by the reporting person to a donor-advised fund on December 31, 2025 (the "Charitable Donation Effective Date"). 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 Charitable Donation Units held by the donor-advised fund are redeemable at the discretion of the donor-advised fund for Paired Interests, on a one-for-one basis.
Represents a gift/charitable donation of the 25,500 Charitable Donation Units held directly by the reporting person to the National Philanthropic Trust, a Pennsylvania non-profit corporation, to be held in a donor-advised fund.