Martin Marietta Materials, Inc. (MLM) 

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.

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Over the last 12 months, insiders at Martin Marietta Materials, Inc. have bought $0 and sold $20.11M worth of Martin Marietta Materials, Inc. stock.

On average, over the past 5 years, insiders at Martin Marietta Materials, Inc. have bought $625,511 and sold $8.44M worth of stock each year.

There was no buying activity among insiders over the last 12 months.

The last purchase of 1,000 shares for transaction amount of $164,080 was made by KORALESKI JOHN J (director) on 2020‑05‑13.