Rep. April McClain Delaney Buys Martin Marietta Materials Stock

The Democratic representative from Maryland disclosed a recent purchase of $1,001 to $15,000 in shares of the construction materials company.

Apr. 10, 2026 at 3:10pm

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An extreme close-up of large, metallic industrial machinery used in the production of construction materials, conveying a sense of scale, power, and precision in the manufacturing process.A close-up view of the heavy industrial machinery that powers Martin Marietta Materials' construction materials production, underscoring the company's role in supporting infrastructure development.Buhl Today

Representative April McClain Delaney (Democratic-Maryland) recently bought shares of Martin Marietta Materials, Inc. (NYSE:MLM). In a filing disclosed on April 06th, the Representative disclosed that they had bought between $1,001 and $15,000 in Martin Marietta Materials stock on March 9th.

Why it matters

As a member of Congress, Representative McClain Delaney's financial transactions are subject to disclosure requirements. This purchase of Martin Marietta Materials stock, a leading producer of construction materials, provides insight into the investment decisions of a federal lawmaker.

The details

Martin Marietta Materials, Inc. is a major supplier of aggregates and heavy building materials for construction and infrastructure projects. The company operates quarries, sand and gravel pits, and other extraction sites across the United States.

  • Representative McClain Delaney disclosed the stock purchase on April 6, 2026.
  • The purchase was made on March 9, 2026.

The players

April McClain Delaney

A Democratic member of the U.S. House of Representatives, representing Maryland's 6th Congressional District. She assumed office in January 2025 and is running for re-election in 2026.

Martin Marietta Materials, Inc.

A leading producer of aggregates and heavy building materials serving the construction and infrastructure markets. The company operates quarries, sand and gravel pits, and other extraction sites to supply crushed stone, sand and gravel, and a range of value‑added products.

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The takeaway

This transaction highlights the financial investments of a member of Congress, providing transparency into the personal financial dealings of an elected official. It also underscores the importance of the construction materials industry to the broader economy.