Mark G Whittenburg - Net Worth and Insider Trading

Mark G Whittenburg Net Worth

The estimated net worth of Mark G Whittenburg is at least $593,961 dollars as of 2025-07-02. Mark G Whittenburg is the General Counsel and Secretary of Core & Main Inc and owns about 9,691 shares of Core & Main Inc (CNM) stock worth over $593,961. Details can be seen in Mark G Whittenburg's Latest Holdings Summary section.

Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Mark G Whittenburg has not made any transactions after 2025-06-09 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

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Transaction Summary of Mark G Whittenburg

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Mark G Whittenburg Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Mark G Whittenburg owns 1 companies in total, including Core & Main Inc (CNM) .

Click here to see the complete history of Mark G Whittenburg’s form 4 insider trades.

Insider Ownership Summary of Mark G Whittenburg

Ticker Company Transaction Date Type of Owner
CNM Core & Main Inc 2025-06-09 General Counsel and Secretary

Mark G Whittenburg Latest Holdings Summary

Mark G Whittenburg currently owns a total of 1 stock. Mark G Whittenburg owns 9,691 shares of Core & Main Inc (CNM) as of June 9, 2025, with a value of $593,961.

Latest Holdings of Mark G Whittenburg

Ticker Company Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
CNM Core & Main Inc 2025-06-09 9,691 61.29 593,961

Holding Weightings of Mark G Whittenburg


Mark G Whittenburg Form 4 Trading Tracker

According to the SEC Form 4 filings, Mark G Whittenburg has made a total of 11 transactions in Core & Main Inc (CNM) over the past 5 years, including 0 buys and 11 sells. The most-recent trade in Core & Main Inc is the sale of 50,000 shares on June 9, 2025, which brought Mark G Whittenburg around $3 Million.

Insider Trading History of Mark G Whittenburg

No transactions are available. GuruFocus only tracks and displays the purchase and sale of non-derivative security in open market or private transactions from SEC filings with the transaction code of P or S.
Total 0
  • 1
Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as conversion of derivative security or exercise of options are not included. Insiders are limited to only officers and/or directors of the company.

Mark G Whittenburg Trading Performance

Please note GuruFocus will not track the insiders’ transaction performance if he/she does not have buying transactions.

Mark G Whittenburg Ownership Network

Ownership Network List of Mark G Whittenburg

No Data

Ownership Network Relation of Mark G Whittenburg

Insider Network Chart


Mark G Whittenburg Owned Company Details

What does Core & Main Inc do?

Who are the key executives at Core & Main Inc?

Mark G Whittenburg is the General Counsel and Secretary of Core & Main Inc. Other key executives at Core & Main Inc include Chief Human Resources Officer Laura K Schneider , President & Waterworks John R Schaller , and VP & Corp. Controller John Weldon Stephens .

Core & Main Inc (CNM) Insider Trades Summary

Over the past 18 months, Mark G Whittenburg made 5 insider transaction in Core & Main Inc (CNM) with a net sale of 250,000. Other recent insider transactions involving Core & Main Inc (CNM) include a net sale of 158,927 shares made by John Weldon Stephens , a net sale of 161,406 shares made by John R Schaller , and a net sale of 20,000 shares made by Orvin T Kimbrough .

In summary, during the past 3 months, insiders sold 147,453 shares of Core & Main Inc (CNM) in total and bought 0 shares, with a net sale of 147,453 shares. During the past 18 months, 47,289,571 shares of Core & Main Inc (CNM) were sold and 0 shares were bought by its insiders, resulting in a net sale of 47,289,571 shares.

Core & Main Inc (CNM)'s detailed insider trading history can be found in Insider Trading Tracker table.

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Core & Main Inc Insider Transactions

No Available Data

Mark G Whittenburg Mailing Address

Above is the net worth, insider trading, and ownership report for Mark G Whittenburg. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Mark G Whittenburg's mailing address is: St. Louis Mo 63146.