Martin Marietta Materials, Inc.

MLM US5732841060

Martin Marietta Materials is one of the United States' largest producer of construction aggregates (crushed stone, sand, and gravel). In 2023, Martin Marietta sold 199 million tons of aggregates. Martin Marietta's most important markets include Texas, Colorado, North Carolina, Georgia, and Florida, accounting for most of its sales. The company also produces cement in Texas and uses its aggregates in its asphalt and ready-mixed concrete businesses. Martin's magnesia specialties business produces magnesia-based chemical products and dolomitic lime.

Annual Insiders Turnover, USD ²

¹ annual and historical performance metrics are recalculated on a daily basis;
² represents the total value of insider transactions (both buying and selling);

Insider Activity

Person	Price	Shares	Total	Published	Completed
Perez Laree E	613.32 USD	1,038 Sold	636,626 USD	08/08/2025	08/08/2025
Mccunniff Donald A. EX VP	475.00 USD	1,332 Sold	632,700 USD	05/03/2025	05/03/2025
Petro Michael J VP	454.37 USD	550 Bought	249,904 USD	04/03/2025	04/03/2025
Bar Roselyn R EX VP	603.29 USD	10,000 Sold	6,032,900 USD	14/03/2024	14/03/2024
Nye C Howard CEO	604.26 USD	15,000 Sold	9,063,900 USD	05/03/2024	05/03/2024
Nye C Howard CEO	604.26 USD	5,000 Sold	3,021,300 USD	05/03/2024	05/03/2024
Cole Sue W	545.64 USD	881 Sold	480,709 USD	16/02/2024	16/02/2024
Cole Sue W	541.22 USD	843 Sold	456,248 USD	16/02/2024	16/02/2024

Integrated EOD Stock Data and Insider Transactions Chart

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The visibility of insider buy and sell transactions on this chart should not be the sole factor in your decision to buy or sell a particular stock. Always consider the following dynamic reports for a broader understanding of stock market activities:

• Insider Transaction Amount Distribution
• Insider Trading Seasonality
• Delta Correlation Analysis

 

Last	52W Low	52W High	All-Time Low	All-Time High	β

Company Insiders

Person / Entity	Transactions	Turnover, USD	Average, USD	First	Last
Nye C Howard	2	12,085,200.00	6,042,600.00	05/03/2024	05/03/2024
Bar Roselyn R	1	6,032,900.00	6,032,900.00	14/03/2024	14/03/2024
Cole Sue W	2	936,957.30	468,478.65	16/02/2024	16/02/2024
Perez Laree E	1	636,626.16	636,626.16	08/08/2025	08/08/2025
Mccunniff Donald A.	1	632,700.00	632,700.00	05/03/2025	05/03/2025
Petro Michael J	1	249,903.50	249,903.50	04/03/2025	04/03/2025

Insiders marked in yellow represent long-term insiders. These are individuals who have engaged in transactions for over 3 years and have conducted at least 10 transactions or reached a cumulative turnover of $1M USD. When examining transaction clusters, we prioritize those conducted by long-term insiders for analysis.

Stock Advanced Metrics

Delta Correlation	subscribe 🔒
Upper Bound of Standardized Transaction Amount (ubsta), USD 4	subscribe 🔒

⁴ represents the maximum expected transaction amount for a company's insiders, calculated based on historical data. It provides insight into the typical range of insider transaction amounts and helps in identifying unusually large transactions.

⁵ a proprietary metric reflecting the consistency of insider trading behavior within a company. A higher discipline index suggests more regular and predictable insider transactions.