Form 4: Martin Marietta SVP Sells Shares for Tax Withholding

Martin Marietta Materials Inc.'s SVP and CIO, Jason Paul Flynn, disposed of 123 shares of common stock at $615.25 per share to cover tax withholding obligations.

Summary

• Jason Paul Flynn, Senior Vice President and Chief Information Officer (SVP and CIO) of Martin Marietta Materials Inc. (MLM), reported a change in beneficial ownership.
• On December 1, 2025, Mr. Flynn disposed of 123 shares of common stock.
• The transaction was executed at a price of $615.25 per share.
• This disposition was made to satisfy tax withholding obligations, indicated by transaction code 'F'.
• Following this transaction, Mr. Flynn directly beneficially owns 4,399 shares of Martin Marietta Materials Inc. common stock.

Sentiment

Score: 5

Explanation: The filing reports a routine, non-discretionary disposition of shares by an insider to cover tax obligations upon the vesting of equity awards. This type of transaction is neutral and does not reflect a change in management's confidence or the company's operational performance.

Future Outlook

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

Industry Context

This is a routine insider transaction filing (Form 4) reporting a disposition of shares for tax withholding purposes, which is a common occurrence when equity awards vest for executives. It does not provide insights into broader industry trends or competitive landscape.

Stakeholder Impact

• Shareholders: Minimal impact, as this is a routine, non-discretionary transaction for tax purposes and does not signal a change in the insider's view of the company's prospects.

Key Dates

Keywords

Martin Marietta Materials, MLM, Insider Transaction, Form 4, Beneficial Ownership, Tax Withholding, Jason Paul Flynn, SVP CIO