MARTIN MARIETTA MATERIALS INC 8-K

What Happened

• Martin Marietta Materials, Inc. (MLM) filed an 8-K on April 30, 2026 announcing its financial results for the quarter ended March 31, 2026. The company furnished a press release dated April 30, 2026 as Exhibit 99.1 that summarizes the quarterly results. The filing was signed by Michael J. Petro, Senior Vice President and Chief Financial Officer.

Key Details

• Press release announcing Q1 2026 results: dated April 30, 2026 and furnished as Exhibit 99.1 to the 8-K.
• Webcast: live earnings conference call on April 30, 2026 at 10:00 a.m. ET; dial-in +1 (646) 307-1963, conference ID 6288728.
• Replay: online replay available roughly two hours after the call and will remain available for one year on the company website.
• Non-GAAP disclosure: additional information on the company’s use of non-GAAP financial measures is posted at www.martinmarietta.com under Investors → Reports & Filings → Non‑GAAP Measures.

Why It Matters

• The 8-K formally notifies investors that Martin Marietta has reported its quarterly earnings and provides the official press release and a way to hear management discuss results via webcast.
• The filing points investors to the company’s non‑GAAP reconciliation and related materials, which investors commonly use to compare operating performance across periods and with peers.
• The conference call and replay offer a primary source for management commentary and any forward-looking remarks that could affect near-term expectations for earnings, revenue and operations.