Core & Main (CNM) Form 144: 400,000-share resale notice, insider sales reported

Rhea-AI Filing Summary

Core & Main, Inc. reported a Form 144 notice for proposed sales of Class A Common Stock. The filing lists a proposed sale quantity of 400,000 shares and discloses recent insider dispositions of 315,378 shares on 04/15/2026 and 132,808 shares on 04/16/2026.

Insights

Securities Compliance Analyst

Form 144 records an insider resale notice with specific share counts and recent dispositions.

The filing lists a proposed sale of 400,000 shares of Class A Common Stock and documents two recent dispositions: 315,378 shares on 04/15/2026 and 132,808 shares on 04/16/2026

Timing and proceeds details are not included in the excerpt; subsequent SEC filings may report settlement or transaction proceeds. The compliance focus is on proper notice and timing under resale rules.

Key Figures

Proposed resale: 400,000 shares Disposition on 04/15/2026: 315,378 shares Disposition on 04/16/2026: 132,808 shares +1 more

4 metrics

Proposed resale 400,000 shares listed under Securities To Be Sold

Disposition on 04/15/2026 315,378 shares reported sale by Stephen O. LeClair

Disposition on 04/16/2026 132,808 shares reported sale by Stephen O. LeClair

Broker listed J.P. Morgan Securities LLC address given on cover (270 Park Avenue)

Key Terms

Form 144, Class A Common Stock, Partnership Interests

3 terms

Form 144 regulatory

"Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Class A Common Stock financial

"Class A Common Stock | J.P. Morgan Securities LLC"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

Partnership Interests financial

"Class B Common Stock; Partnership Interests (C&M Holdings, LP)"

04/20/2026 - 04:36 PM

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A Common Stock	J.P. Morgan Securities LLC 270 Park Avenue, 10th Floor New York NY 10017	400000	20316000	188072306	04/20/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class B Common Stock; Partnership Interests (C&M Holdings, LP)	01/16/2025	Transfer	Stephen O. LeClair, from Equity incentive award through Core & Main Mgmt Feeder LLC on 01/01/18.			400000	01/16/2025	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Stephen O. LeClair C/o Core & Main, Inc. 1830 Craig Park Court St. Louis MO 63146	Class A Common Stock	04/15/2026	315378	16805894
Stephen O. LeClair C/o Core & Main, Inc. 1830 Craig Park Court St. Louis MO 63146	Class A Common Stock	04/16/2026	132808	6951675

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the CNM Form 144 filing disclose?

It discloses a proposed resale of 400,000 Class A shares and insider dispositions of 315,378 shares on 04/15/2026 and 132,808 shares on 04/16/2026, documenting Rule 144 resale notices.

Who is the reporting party in the CNM Form 144?

The filing shows transactions attributed to Stephen O. LeClair (via Core & Main-related entities) and lists a broker address for J.P. Morgan Securities LLC on the cover page.

Are proceeds or prices provided in the CNM excerpt?

No. The provided excerpt lists share counts and dates but does not state sale prices or aggregate proceeds for the reported transactions.

Do the Form 144 entries confirm completed sales for CNM shares?

The filing records proposed resale notices and recent dispositions by date and share count; it does not, in this excerpt, confirm settlement details or cash proceeds.

What securities types are listed in the CNM filing?

The excerpt lists Class A Common Stock, Class B Common Stock, and Partnership Interests (C&M Holdings, LP) in different rows of the securities section.