Welcome to our dedicated page for Core & Main SEC filings (Ticker: CNM), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Core & Main, Inc. filings document the public-company disclosures of a specialty infrastructure distributor whose Class A common stock trades on the New York Stock Exchange under CNM. Recent 8-K reports cover operating results and investor presentation materials, share repurchase program authorizations, board appointments, executive officer transitions, shareholder voting results and amendments to the ABL Credit Agreement of Core & Main LP.
Proxy materials describe board elections, committee matters, executive compensation and auditor ratification. The filing record also reflects capital-structure disclosures for Class A common stock, governance procedures and financing arrangements tied to the company’s distribution operations.
Core & Main, Inc. General Counsel and Secretary Mark G. Whittenburg reported routine share dispositions related to tax withholding, not open-market sales. On March 10, 557 shares of Class A common stock were withheld at $49.38 per share, leaving 8,856 shares held directly afterward. On March 9, 278 shares were withheld at $49.96 per share, leaving 9,413 shares held directly after that transaction. A footnote explains these 835 total shares were withheld by the issuer to satisfy tax obligations upon vesting of restricted stock units granted to Whittenburg, reflecting a compensation-related event rather than discretionary trading.
Core & Main, Inc. Senior VP of Human Resources Carla D. Harper reported two small share dispositions that were purely for tax purposes. On March 9 and 10, 2026, a total of 266 shares of Class A common stock were withheld by the company at prices around $49–$50 per share to cover taxes upon vesting of restricted stock units. After these tax-withholding transactions, she directly holds 11,500 shares of Core & Main Class A common stock.
Core & Main, Inc. Chief Accounting Officer John Weldon Stephens reported routine share withholdings to cover taxes on vested restricted stock units. On March 9 and 10, a total of 292 shares of Class A Common Stock were withheld at prices around the mid‑$49 range. After these tax-withholding dispositions, he directly holds 16,545 shares of Class A Common Stock. These entries reflect compensation-related tax payments rather than open‑market buying or selling.
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.
Core & Main, Inc. President Bradford A. Cowles reported routine share withholdings for tax purposes related to restricted stock unit vesting. On March 9, 435 shares of Class A common stock were withheld at $49.96 per share, and on March 10, another 741 shares were withheld at $49.38 per share. These transactions were coded as tax-withholding dispositions, not open-market sales, and Cowles directly held 19,012 shares of Class A common stock following the latest transaction.
Core & Main, Inc. Chief Executive Officer Mark R. Witkowski reported two routine tax-withholding transactions related to equity compensation. On March 10, 2026, 937 shares of Class A common stock were withheld at $49.38 per share, and on March 9, 2026, 478 shares were withheld at $49.96 per share. According to the disclosure, these shares were withheld by the company to cover tax obligations upon vesting of restricted stock units, rather than sold in open-market trades. Following these transactions, Witkowski directly held 34,432 shares of Class A common stock.
Core & Main, Inc. Executive Chair Stephen O. LeClair reported two tax-related share dispositions tied to restricted stock unit vesting. On March 10, 2026, 3,081 shares of Class A common stock were withheld at $49.38 per share, and on March 9, 2026, 1,519 shares were withheld at $49.96 per share. These transactions were coded as tax-withholding dispositions, and a footnote states the shares were withheld by the issuer for tax purposes upon vesting. Following the later transaction, LeClair directly owned 66,136 shares of Class A common stock.
Core & Main, Inc.’s Chief Financial Officer Robyn L. Bradbury reported routine tax-related share dispositions. On March 9, 2026 and March 10, 2026, a total of 475 shares of Class A common stock were withheld by the company at prices of $49.96 and $49.38 per share to satisfy tax obligations on vesting restricted stock units, rather than sold in the open market.
After these withholdings, Bradbury directly holds 8,080 shares of Class A common stock. An additional 22 shares are held indirectly through Core & Main Management Feeder, LLC, tied to redeemable units that can be exchanged one-for-one for Class A shares.
Select Equity Group, L.P. and George S. Loening report a passive ownership stake in Core & Main, Inc. They beneficially own 7,778,376 shares of Class A common stock, representing 4.1% of the class, based on 188,802,673 shares outstanding as of December 5, 2025.
Both reporting persons have no sole voting or dispositive power but share voting and dispositive power over all 7,778,376 shares. They state the position is held in the ordinary course of business and not for the purpose of changing or influencing control of Core & Main.
Core & Main executive Jeffrey D. Giles reported new equity awards in the company. On January 26, 2026, the EVP, Corporate Development received 4,377 restricted stock units, each representing one share of Class A common stock, and now beneficially owns 6,660 Class A shares directly.
Giles was also granted 10,617 stock options with a $57.14 exercise price, covering 10,617 Class A shares. Both the RSUs and options vest in three equal annual installments on January 26, 2027, 2028 and 2029, subject to their respective award agreements.