Every Form 4 that Core & Main, Inc. (CNM) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow CNM and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full CNM filings page.
Core & Main executive Carla D. Harper, Senior VP of Human Resources, reported a tax-withholding disposition of 242 shares of Class A Common Stock on August 4, 2026 at $46.32 per share. The shares were withheld to cover taxes on vesting restricted stock units, leaving her with 13,064 directly held shares.
Core & Main, Inc. President Michael G. Huebert had 1,301 shares of Class A Common Stock withheld on July 22, 2026 to cover tax obligations upon the vesting of restricted stock units. The shares were valued at $43.75 each for tax purposes, leaving him with 24,036 shares held directly.
Core & Main, Inc. director James D. Hope made an open-market purchase of Class A common stock. On July 6, 2026, he bought 2,067 shares at $46.014 per share. Following this transaction, he directly owns 11,805 shares of Core & Main stock.
Castellano James G reported acquisition or exercise transactions in this Form 4 filing.
Core & Main, Inc. director James G. Castellano received a grant of 2,799 restricted stock units as director compensation. These units will vest upon the earlier of the one-year anniversary of the grant date or the company’s next annual meeting of shareholders to be held in 2027 and will be settled in Class A common stock, contingent on his continued board service. Following this award, he holds 7,437 shares of Class A Common Stock directly. This is a routine equity compensation grant rather than an open-market share purchase or sale.
NEWMAN MARGARET reported acquisition or exercise transactions in this Form 4 filing.
Core & Main, Inc. director Margaret Newman received an award of 2,799 restricted stock units as director compensation. These units will vest upon the earlier of the one-year anniversary of the grant date or the company’s next annual meeting of shareholders to be held in 2027, subject to her continued board service. Following this grant, she holds 16,757 shares of Class A common stock directly, including the awarded units once settled.
Core & Main, Inc. director Susan M. Hardwick reported an acquisition of 2,799 shares of Class A common stock in the form of restricted stock units granted as director compensation. Following this grant, she holds 3,379 shares directly. The restricted stock units vest upon the earlier of the one-year anniversary of the grant date or the company’s next annual meeting of shareholders to be held in 2027, and will be settled in Class A shares, subject to her continued board service.
MAZZARELLA KATHLEEN M reported acquisition or exercise transactions in this Form 4 filing.
Core & Main, Inc. director Kathleen M. Mazzarella reported a compensation-related equity grant and updated her holdings of Class A common stock. She received 2,799 restricted stock units as director compensation, with no cash paid per share. These units vest upon the earlier of the one-year anniversary of the grant date or the company’s next annual shareholder meeting to be held in 2027, subject to her continued service as a director.
After the grant, she directly holds 16,757 shares of Class A common stock. Separately, an entity called Core & Main Management Feeder, LLC holds 82 shares for her benefit, tied to units in that LLC that are redeemable on a one-for-one basis for Class A common stock.
Hope James D reported acquisition or exercise transactions in this Form 4 filing.
Core & Main, Inc. director James D. Hope received a grant of 2,799 restricted stock units as director compensation. These units vest on the earlier of one year from the grant date or the company’s next annual shareholder meeting in 2027 and will settle in Class A common shares, bringing his direct holdings to 9,738 shares.
Amirthalingam Bhavani reported acquisition or exercise transactions in this Form 4 filing.
Core & Main, Inc. director Bhavani Amirthalingam received an equity grant of 2,799 shares of Class A common stock in the form of restricted stock units as director compensation. The award was granted at no cash cost per share and is a standard, non-market transaction.
The restricted stock units will vest on the earlier of the one-year anniversary of the grant date or the company’s next annual shareholder meeting to be held in 2027, subject to continued board service. Following this grant, Amirthalingam holds 17,955 shares of Class A common stock directly.
Gipson Dennis G reported acquisition or exercise transactions in this Form 4 filing.
Core & Main, Inc. director Dennis G. Gipson received an award of 2,799 shares of Class A common stock in the form of restricted stock units as director compensation. The award was recorded at a price of $0.00 per share, indicating it is a compensation grant rather than an open-market purchase.
The restricted stock units will vest upon the earlier of the one-year anniversary of the grant date or the company’s next annual meeting of shareholders to be held in 2027, subject to his continued board service. After this grant, Gipson directly holds 16,757 shares of Class A common stock.
Kimbrough Orvin T reported acquisition or exercise transactions in this Form 4 filing.
Core & Main, Inc. director Kimbrough Orvin T reported a compensation-related equity grant. He received 2,799 restricted stock units of Class A common stock as director compensation at a price of $0.00 per unit. These units vest upon the earlier of the one-year anniversary of the grant date or the company’s next annual meeting of shareholders to be held in 2027, and will be settled in Class A common shares, subject to his continued board service. After this award, he holds 16,757 Class A shares directly and 3 Class A shares indirectly through Core & Main Management Feeder, LLC, tied to redeemable units exchangeable one-for-one into Class A stock.
Buck Robert M reported acquisition or exercise transactions in this Form 4 filing.
Core & Main, Inc. director Robert M. Buck reported an award of 2,799 restricted stock units as director compensation. These units vest on the earlier of one year from the grant date or the company’s next annual shareholder meeting to be held in 2027, contingent on his continued board service. Following this grant, his reported direct holdings total 15,849 shares of Class A common stock, including the awarded units once settled.
Core & Main, Inc. senior vice president of human resources Carla D. Harper reported a routine tax-related share disposition. On the vesting of restricted stock units, 568 shares of Class A common stock were withheld by the company to cover tax obligations. After this withholding, she directly holds 13,306 shares of Class A common stock. This was not an open-market sale and reflects standard tax treatment of equity compensation.
Core & Main, Inc. Chief Financial Officer Robyn L. Bradbury reported several equity moves involving Class A and Class B interests. On April 17, 2026, 5,000 Paired Interests, each consisting of Class B common stock and limited partnership interests, were exchanged one-for-one into 5,000 shares of Class A common stock pursuant to an exchange agreement. The same day, Bradbury sold a total of 5,000 shares of Class A common stock in open-market transactions: 3,353 shares at a weighted average price of $52.8417 and 1,647 shares at $51.9404, under a pre-arranged Rule 10b5-1 trading plan. After these transactions, Bradbury directly held 12,500 shares of Class A common stock, plus indirect Class A holdings and substantial Class B and limited partnership interests that remain exchangeable into Class A on a one-for-one basis.
Core & Main, Inc. director Hope James D made an open-market purchase of the company’s Class A Common Stock. On April 7, 2026, the insider bought 1,972 shares at an average price of $50.695 per share, bringing direct ownership to 6,939 shares after the transaction.
Hardwick M Susan reported acquisition or exercise transactions in this Form 4 filing.
Core & Main, Inc. director Susan Hardwick reported a grant of 580 restricted stock units as part of her director compensation. The award carries no purchase price and will vest at the company’s annual meeting of shareholders to be held in 2026, then settle in shares of Class A common stock.
Core & Main EVP Jeffrey D. Giles received new equity awards as part of his compensation. He was granted options to buy 21,585 shares of Class A common stock at an exercise price of $47.63 per share, expiring on March 12, 2036. These options vest in three equal installments on March 11, 2027, March 11, 2028, and March 11, 2029.
He also received 3,021 restricted stock units, each representing one share of Class A common stock, with the same three-year annual vesting schedule. Following these awards, he holds 9,681 shares of Class A common stock directly. These are grants from the company, not open-market purchases or sales.
Core & Main, Inc. General Counsel and Secretary Mark G. Whittenburg reported a small administrative share disposition tied to taxes. On the vesting of restricted stock units, 331 shares of Class A Common Stock were withheld by the company to cover tax obligations at $49.16 per share. After this tax-withholding event, he directly holds 8,525 shares of Class A Common Stock. This transaction was not an open-market purchase or sale but a routine mechanism for paying taxes on equity compensation.
Core & Main, Inc. Chief Financial Officer Robyn L. Bradbury reported new equity compensation awards and a small tax‑related share withholding. On March 12, 2026, she received options to buy 34,488 shares of Class A common stock at $47.63 per share, vesting in three equal installments on March 11, 2027, March 11, 2028 and March 11, 2029. She also was granted 4,824 restricted stock units, each representing one share of Class A common stock, vesting on the same three dates. On March 11, 2026, 404 shares of Class A common stock were withheld at $49.16 per share to cover tax obligations upon vesting of previously granted RSUs. After these transactions, she directly owns 12,500 shares of Class A common stock, holds the newly granted options, and has an indirect interest in 22 shares through Core & Main Management Feeder, LLC.
Core & Main, Inc. reported that Chief Executive Officer Mark R. Witkowski received new equity awards. On March 12, 2026, he was granted options to buy 131,382 shares of Class A common stock at $47.63 per share, vesting in three equal installments on March 11, 2027, 2028 and 2029. He also received 18,372 restricted stock units, each representing one share of Class A common stock, vesting on the same dates, and after this grant he directly owned 51,119 shares. Separately, on March 11, 2026, 1,685 shares were withheld at $49.16 per share to cover tax obligations upon vesting of previously granted RSUs, which is not an open-market sale.
Core & Main, Inc. President Bradford A. Cowles reported routine equity compensation and related tax withholding. He received stock options for 50,676 shares of Class A common stock at an exercise price of $47.63 per share, expiring in 2036, vesting in three equal installments on March 11, 2027, 2028 and 2029.
He was also granted 7,086 restricted stock units, each representing one share of Class A common stock, vesting on the same three annual dates. Separately, 607 shares of Class A common stock were withheld at $49.16 per share to cover tax obligations upon vesting of earlier RSUs. Following these transactions, he directly holds 25,491 shares of Class A common stock and 50,676 options.
Core & Main, Inc. reported that Chief Accounting Officer John Weldon Stephens received equity compensation and had shares withheld for taxes. On March 12, 2026, he was granted 6,684 stock options with an exercise price of $47.63 per share, expiring on March 12, 2036. These options vest in three equal installments on March 11, 2027, March 11, 2028 and March 11, 2029.
He was also granted 936 restricted stock units (RSUs), each representing one share of Class A common stock, vesting on the same three annual dates. On March 11, 2026, 107 shares of Class A common stock were withheld at $49.16 per share to cover tax obligations upon RSU vesting. Following these transactions, he directly owned 17,374 shares of Class A common stock.
Core & Main, Inc. President Michael G. Huebert received new equity awards. On March 12, 2026 he was granted options for 37,539 shares of Class A common stock at an exercise price of $47.63 per share, expiring in 2036. These options vest in three equal installments on March 11, 2027, March 11, 2028 and March 11, 2029.
He was also granted 10,500 restricted stock units, each representing one share of Class A common stock, vesting in three equal annual installments on the same March 11, 2027–2029 schedule. Separately, on March 11, 2026, 447 shares were withheld at $49.16 per share to cover taxes upon vesting of previously granted RSUs, a non-market disposition. After these transactions, he directly holds 25,337 shares of Class A common stock.
Core & Main, Inc. Senior VP of Human Resources Carla D. Harper reported routine equity compensation changes. She received stock options for 17,598 shares of Class A common stock at an exercise price of $47.63 per share, expiring on March 12, 2036. These options vest in three equal installments on March 11, 2027, March 11, 2028, and March 11, 2029. She also received 2,463 restricted stock units, each representing one share of Class A common stock, vesting on the same three annual dates. On March 11, 2026, 89 shares of Class A common stock were withheld to cover tax obligations upon the vesting of previously granted RSUs. After these transactions, she directly holds 13,874 shares of Class A common stock.
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.
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.
Core & Main, Inc. reported an insider transaction by its General Counsel and Secretary, Mark Whittenburg. On December 31, 2025, he made a charitable gift of 25,500 vested common units held through Core & Main Management Feeder, LLC to a donor-advised fund at National Philanthropic Trust. These units are redeemable on a one-for-one basis for a “Paired Interest” consisting of Class B common stock and limited partnership interests, which in turn are exchangeable one-for-one into Class A common stock or, in some cases, cash under an existing exchange agreement. Following this transaction, 227,312 derivative securities are reported as beneficially owned indirectly through the LLC.