KORALESKI JOHN J - Insider Non-Derivative Transactions at MARTIN MARIETTA MATERIALS INC (MLM) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Nov 28, 2025, KORALESKI JOHN J's relationship to MARTIN MARIETTA MATERIALS INC (MLM) is Director, and currently has 8,753 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other MLM insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

KORALESKI JOHN J - Insider Non-Derivative Transactions of MLM Common Stock

KORALESKI JOHN J - Insider Non-Derivative Transactions at MLM

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Nov 29, 2025	Acquisition -- (Common Stock)	75	623.24	8753
Aug 30, 2025	Acquisition -- (Common Stock)	76	616.4	8678
May 31, 2025	Acquisition -- (Common Stock)	85	547.55	8602
May 16, 2025	Acquisition -- (Common Stock)	308	552.86	8517
Mar 1, 2025	Acquisition -- (Common Stock)	96	483.14	8209
Nov 30, 2024	Acquisition -- (Common Stock)	78	600	8113
Aug 31, 2024	Acquisition -- (Common Stock)	87	534.16	8035
Jun 1, 2024	Acquisition -- (Common Stock)	81	572.8	7948
May 17, 2024	Acquisition -- (Common Stock)	293	581.69	7867
Mar 1, 2024	Acquisition -- (Common Stock)	76	577.71	7574
Dec 1, 2023	Acquisition -- (Common Stock)	95	464.59	7498
Sep 1, 2023	Acquisition -- (Common Stock)	99	446.41	7403
Jun 1, 2023	Acquisition -- (Common Stock)	111	398.04	7304
May 12, 2023	Acquisition -- (Common Stock)	362	400.57	7193
Mar 1, 2023	Acquisition -- (Common Stock)	122	359.87	6831