SEC Insider Transactions from Mack Mary T.

Last updated: 2026-05-18 23:10 UTC | Total transactions: 3

Mack Mary T has filed 3 insider transactions across 1 company since May 2024.

Most recent transaction: a grant/award of 313 shares of MARTIN MARIETTA MATERIALS INC ($MLM) on May 14, 2026.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
May 14, 2026 MARTIN MARIETTA MATERIALS INC $MLM Mack Mary T Director A Common Stock 313 $0.00 914.0000 60,600,000 52.08% 0.00%
May 15, 2025 MARTIN MARIETTA MATERIALS INC $MLM Mack Mary T Director A Common Stock 308 $552.86 601.0000 61,600,000 105.12% 0.00%
May 16, 2024 MARTIN MARIETTA MATERIALS INC $MLM Mack Mary T Director A Common Stock 293 $581.69 293.0000 62,100,000 9999.99% 0.00%