Form 4: Martin Marietta Director John J. Koraleski Acquires $46,541 in Company Stock

John J. Koraleski, a Director at Martin Marietta Materials Inc. (MLM), has acquired 85 common stock units valued at approximately $46,541 through the company's director stock purchase plan.

Summary

• John J. Koraleski, a Director of Martin Marietta Materials Inc. (MLM), acquired 85 common stock units on May 30, 2025.
• The acquisition was made at a price of $547.55 per share, totaling approximately $46,541.75.
• These common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors.
• The units are to be settled in stock, either in a lump sum or in installments not exceeding 10 years, commencing upon cessation of the reporting person's role as a Non-Employee Director, one month and one year thereafter, or a date elected by the director later than the third anniversary of the fees being earned.
• Following this transaction, Mr. Koraleski beneficially owns 8,602 shares directly.
• Additionally, he indirectly owns 2,000 shares through SJK HOLDINGS and INVESTMENTS, LLC and 4,900 shares through JJ KORALESKI and SF KORALESKI CO-TTEE KORALESKI LIVING TRUST U/A DTD 01/18/1991.

Sentiment

Score: 7

Explanation: The acquisition of shares by a director is generally a positive signal, indicating confidence in the company's future. However, as a routine transaction under a plan, its impact on overall sentiment is moderate rather than highly significant.

Positives

• The acquisition of common stock by a director signals confidence in the company's future prospects and aligns management's interests with those of shareholders.

Future Outlook

This Form 4 filing does not provide specific forward-looking statements or guidance regarding the company's future performance or strategic direction.

Industry Context

This filing is a routine insider transaction report and does not provide broader industry context or trends. It reflects an individual director's investment decision within the company.

Related Party Transactions

• The acquisition of common stock units by Director John J. Koraleski under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors constitutes a related party transaction, as it involves a company insider and a company-sponsored plan.

Stakeholder Impact

• Shareholders may view the director's acquisition as a positive sign of management's belief in the company's value and future performance, potentially reinforcing investor confidence.

Key Dates

Keywords

Martin Marietta Materials, MLM, Insider Trading, Form 4, Stock Acquisition, Director Stock Plan, John J. Koraleski, Beneficial Ownership