MLM — Martin Marietta Materials, Inc.
$507.17-2.03%
Last close: · regular session
Last 60 sessions
MLM closed at $507.17 (-2.03%) on Oct 23, 2026. Active automatic shelf (S-3ASR, Feb 2026). Float: 59.6M shares. Latest SEC filing: FWP on Aug 11, 2026.
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Martin Marietta Materials, Inc., a natural resource-based building materials company, supplies aggregates and heavy-side building materials to the construction industry in the United States and internationally. It offers crushed stone, sand, and gravel products; ready mixed concrete and asphalt; paving products and services; and Portland and specialty cement for use in the infrastructure projects, and nonresidential and residential construction markets, as well as in the railroad, agricultural, utility, and environmental industries. The company also produces magnesia-based chemicals products that are used in industrial, agricultural, and environmental applications; and dolomitic lime primarily to customers for steel production and soil stabilization. Its chemical products are used in flame retardants, wastewater treatment, pulp and paper production, and other environmental applications. The company was founded in 1939 and is headquartered in Raleigh, North Carolina.
Company profile
- Sector: Basic Materials
- Industry: Construction Materials
- Country: US
- Exchange: NYSE
- Employees: 9,400
- Website: https://www.martinmarietta.com
Latest SEC filings for MLM
Latest MLM news
- Martin Marietta raised to Buy at D.A. Davidson after YTD underperformance Read article
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