Form 4: Martin Marietta CEO Sells Shares for Tax Obligations

C. Howard Nye, Chairman, President, and CEO of Martin Marietta Materials Inc., reported the disposition of 298 shares of common stock to cover tax withholding obligations.

Summary

• C. Howard Nye, a Director and the Chairman, President & CEO of Martin Marietta Materials Inc. (MLM), reported a transaction on December 16, 2025.
• The transaction involved the disposition of 298 shares of Common Stock at a price of $629.49 per share.
• This disposition was made to satisfy tax withholding obligations, indicated by transaction code 'F'.
• Following the reported transaction, C. Howard Nye directly beneficially owns 151,876 shares of Common Stock.
• Additionally, 70,400 shares are indirectly beneficially owned by the Charles Howard Nye Irrevocable Trust.

Sentiment

Score: 5

Explanation: The filing reports a routine insider transaction for tax withholding purposes, which is generally considered neutral in terms of company sentiment. It does not indicate a positive or negative outlook on the company's performance.

Future Outlook

This filing is a factual report of an insider transaction and does not contain any forward-looking statements or guidance regarding the company's future outlook.

Industry Context

This Form 4 filing is a routine disclosure of an insider stock transaction, specifically for tax withholding purposes, and does not provide information related to broader industry trends or competitive landscape.

Related Party Transactions

• Indirect beneficial ownership of 70,400 shares by the Charles Howard Nye Irrevocable Trust.

Stakeholder Impact

• Shareholders: The transaction is a routine tax-related sale by a key executive and is unlikely to have a significant impact on the broader shareholder base or company valuation.

Key Dates

Keywords

Martin Marietta Materials, MLM, C Howard Nye, Insider Transaction, Form 4, Stock Sale, Tax Withholding