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Martin Marietta Materials (MLM) insider trades, Congress trades and 13F ownership | OQRO

Martin Marietta Materials

MLM · NYSE · Construction Materials

Overview Insider trades Federal contracts Fund holdings Congress Lobbying & PAC News Timeline

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Everything reported about this company, newest first. Each line shows the dates that matter for its source.

September 2026

Congress trade · Transaction Aug 25, 2026 · Disclosed Sep 9, 2026
Disclosed sale of MLM — reported range $250,001 - $500,000 Source
Congress trade · Transaction Aug 19, 2026 · Disclosed Sep 9, 2026
Disclosed purchase of MLM — reported range $1,001 - $15,000 Source

August 2026

5%+ stake, activist · Stake as of Aug 21, 2026 · Filed Aug 24, 2026
LNA Holding SRL disclosed a 15.4% stake in MLM and may seek to influence the company Source
Congress trade · Transaction Jul 24, 2026 · Disclosed Aug 3, 2026
Disclosed purchase of MLM — reported range $15,001 - $50,000 Source
Congress trade · Transaction Jul 20, 2026 · Disclosed Aug 3, 2026
Disclosed purchase of MLM — reported range $1,001 - $15,000 Source
Congress trade · Transaction Jul 17, 2026 · Disclosed Aug 3, 2026
Disclosed purchase of MLM — reported range $1,001 - $15,000 Source

June 2026

Congress trade · Transaction May 28, 2026 · Disclosed Jun 5, 2026
Disclosed purchase of MLM — reported range $1,001 - $15,000 Source

May 2026

Congress trade · Transaction Apr 9, 2026 · Disclosed May 19, 2026
Disclosed sale of MLM — reported range $15,001 - $50,000 Source

April 2026

Congress trade · Transaction Mar 9, 2026 · Disclosed Apr 6, 2026
Disclosed purchase of MLM — reported range $1,001 - $15,000 Source

January 2026

Congress trade · Transaction Dec 2, 2025 · Disclosed Jan 5, 2026
Disclosed purchase of MLM — reported range $1,001 - $15,000 Source

October 2025

Congress trade · Transaction Sep 23, 2025 · Disclosed Oct 10, 2025
Disclosed sale of MLM — reported range $1,001 - $15,000 Source

September 2025

Congress trade · Transaction Oct 29, 2024 · Disclosed Sep 12, 2025
Disclosed purchase of MLM — reported range $1,001 - $15,000 Source
Congress trade · Transaction Aug 1, 2025 · Disclosed Sep 2, 2025
Disclosed partial sale of MLM — reported range $1,001 - $15,000 Source

August 2025

Congress trade · Transaction Jun 10, 2025 · Disclosed Aug 13, 2025
Disclosed sale of MLM — reported range $1,001 - $15,000 Source
Congress trade · Transaction Dec 11, 2024 · Disclosed Aug 13, 2025
Disclosed purchase of MLM — reported range $1,001 - $15,000 Source