Martin Marietta stock last traded at USD 490.77 on September 28, 2026
Published on 09/28/2026 at 23:19 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS
Martin Marietta Materials, Inc. last traded at USD 490.77 on September 28, 2026, according to the quote timestamp of 20:00:02 UTC. The stock was up 1.34 percent from the prior close of USD 484.30.
September filing
Martin Marietta Materials, Inc. filed a Form 8-K on September 16, 2026, covering a material definitive agreement entered into on September 15, 2026. The filing identifies the agreement under Item 1.01 and lists Martin Marietta Materials, Inc. as the issuer. The U.S. Securities and Exchange Commission filing index lists the report period as September 15, 2026.
Issuer filings
Martin Marietta’s investor-relations filing page also lists a September 18 specialized disclosure report and the September 16 Form 8-K among the company’s latest filings. Martin Marietta’s SEC filings page identifies Martin Marietta Materials, Inc. as the issuer.
