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Martin Marietta Materials, Inc. (MLM)
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Martin Marietta Materials, Inc. (MLM) SEC Filings

Filing links are provided when reliable SEC filing data is available.

Recent Filings

FormFiling DateAcceptedDocument
11-KJun 18, 2026Jun 18, 2026View filing
4Jun 2, 2026Jun 2, 2026View filing
4Jun 2, 2026Jun 2, 2026View filing
4Jun 2, 2026Jun 2, 2026View filing
4May 18, 2026May 18, 2026View filing
4May 18, 2026May 18, 2026View filing
4May 18, 2026May 18, 2026View filing
4May 18, 2026May 18, 2026View filing
4May 18, 2026May 18, 2026View filing
4May 18, 2026May 18, 2026View filing
4May 18, 2026May 18, 2026View filing
4May 18, 2026May 18, 2026View filing
4May 18, 2026May 18, 2026View filing
3May 18, 2026May 18, 2026View filing
3May 18, 2026May 18, 2026View filing
S-8May 15, 2026May 15, 2026View filing
8-KMay 14, 2026May 14, 2026View filing
4May 5, 2026May 5, 2026View filing
3May 5, 2026May 5, 2026View filing
10-QApr 30, 2026Apr 30, 2026View filing
SC 13GApr 30, 2026Apr 30, 2026View filing
8-KApr 30, 2026Apr 30, 2026View filing
SC 13GApr 29, 2026Apr 29, 2026View filing
8-KApr 27, 2026Apr 27, 2026View filing
ARSApr 15, 2026Apr 15, 2026View filing
DEF 14AApr 15, 2026Apr 15, 2026View filing
SC 13G/AMar 27, 2026Mar 27, 2026View filing
4Mar 3, 2026Mar 3, 2026View filing
4Mar 3, 2026Mar 3, 2026View filing
4Mar 3, 2026Mar 3, 2026View filing

About Martin Marietta Materials, Inc.

Martin Marietta Materials, Inc. functions as a company specializing in natural resource-derived building materials. This enterprise delivers a wide range of aggregates and other heavy construction components to the building industry, serving both domestic and international markets. Its product portfolio includes foundational raw materials like crushed stone, sand, and gravel, in addition to manufactured items such as ready-mix concrete, asphalt, and comprehensive paving solutions. These offerings are essential for infrastructure projects, commercial and residential developments, and various other sectors including railroads, agriculture, utilities, and environmental applications. Beyond its core construction offerings, Martin Marietta also produces magnesia-based chemicals, which are utilized in industrial, agricultural, and environmental contexts. The company further supplies dolomitic lime, primarily for steel manufacturing and soil stabilization. Its broader chemical products contribute to areas such as flame retardants, wastewater treatment, and pulp and paper production, among other environmental uses. Established in 1939, the firm's main office is situated in Raleigh, North Carolina.

Raleigh, NC
9,400 employees
Basic Materials / Construction Materials
Sector
Basic Materials
Industry
Construction Materials
CEO
C. Howard Nye