Core & Main president reports tax withholding shares

Core & Main, Inc. President Michael G. Huebert had 350 shares of Class A Common Stock withheld on 2026-03-09 to cover taxes due on the vesting of previously granted restricted stock units.

Accepted by SEC EDGAR 03/11/2026 - 05:10 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Core & Main, Inc. President Michael G. Huebert had 350 shares of Class A Common Stock withheld on 2026-03-09 to cover taxes due on the vesting of previously granted restricted stock units. These shares were surrendered to the company at a price of $49.96 per share for tax-withholding purposes, not sold in the open market. After this routine tax-related disposition, Huebert directly holds 15,284 shares of Class A Common Stock.

Insider Trade Summary

Exercise Price or Tax Liability: 350 shares

Exercise Price or Tax Liability 1 txn

Insider HUEBERT MICHAEL G.

Role President

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Class A Common Stock	350	$49.96	$17K

Holdings After Transaction: Class A Common Stock — 15,284 shares (Direct)

Footnotes (1)

1. 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Core & Main (CNM) report for Michael G. Huebert?

Core & Main reported that President Michael G. Huebert had 350 shares of Class A Common Stock withheld on restricted stock unit vesting for tax purposes. This tax-withholding disposition is not an open-market sale and reflects routine handling of equity compensation.

How many Core & Main (CNM) shares were involved in Huebert’s Form 4 filing?

The Form 4 shows 350 shares of Class A Common Stock were withheld. These shares were used to satisfy tax obligations arising from the vesting of a portion of restricted stock units granted to Huebert, rather than being sold on the open market.

At what price were the withheld Core & Main (CNM) shares valued in the Form 4?

The 350 withheld shares were valued at $49.96 per share. This value is used for tax-withholding purposes in connection with the vesting of restricted stock units and does not represent an open-market trade or discretionary sale by the insider.

How many Core & Main (CNM) shares does Michael G. Huebert hold after this transaction?

Following the tax-withholding disposition, Huebert directly holds 15,284 shares of Core & Main Class A Common Stock. This post-transaction balance reflects his remaining direct equity position after a routine share surrender to cover tax obligations on vested restricted stock units.

Was Michael G. Huebert’s Core & Main (CNM) transaction a market sale of shares?

No, the filing describes a tax-withholding disposition, not a market sale. The 350 shares were withheld by Core & Main to cover taxes on vesting restricted stock units, a common administrative step in equity compensation, rather than a discretionary sale on the open market.

What does the Form 4 tax-withholding transaction mean for Core & Main (CNM) investors?

The transaction shows routine tax withholding tied to equity compensation vesting for the President of Core & Main. Because the 350 shares were surrendered to the issuer for tax purposes, it does not indicate a change in his market view or involve open-market buying or selling.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

HUEBERT MICHAEL G.

(Last) (First) (Middle)

C/O CORE & MAIN, INC.

1830 CRAIG PARK COURT

(Street)

ST. LOUIS MO 63146

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Core & Main, Inc. [ CNM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President

3. Date of Earliest Transaction (Month/Day/Year)
03/09/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	03/09/2026		F		350(1)	D	$49.96	15,284	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

Remarks:

	/s/ Mark Whittenburg, as Attorney-in-Fact for Michael G. Huebert	03/11/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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