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Form 4 · Statement of Changes in Beneficial Ownership · Filed 2026-08-03

Petro Michael J Files Martin Marietta Materials (MLM) Form 4 - August 03, 2026

Petro Michael J sold 368 MLM shares worth $199.6K in this Form 4 filing, reported to the SEC on 2026-08-03.

Insider
Petro Michael J
Issuer
Martin Marietta Materials Inc. MLM · NYSE
Filed
Period
2026-08-03
Accession
0000916076-26-000077

Transactions (1)

Insider Date Type Shares Price Value Own
Petro Michael J 2026-08-03 Sell 368 $542.27 $199.6K Direct
Net change−368−$199.6K

About Martin Marietta Materials Inc.

Martin Marietta Materials Inc. is a leading supplier of building materials, primarily aggregates like crushed stone, sand, and gravel, as well as cement and concrete products in the United States. Its primary purpose is to support the construction industry by providing essential raw materials used in infrastructure projects, commercial and residential construction, and the development of public works like roads, bridges, and airports. Martin Marietta Materials is heavily involved in sectors such as construction, transportation, and energy, where its products are critical for foundational building and maintenance. The company plays a significant role in regional and national economic development, given the essential nature of its offerings in the construction and infrastructure sectors. With a broad geographic footprint and a diverse product line, Martin Marietta Materials holds a strategic position within the market, contributing to the durability and growth of urban and rural communities alike.

Exchange NYSE Industry Building Materials Company website ↗

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