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MLMMartin Marietta Materials

John Koraleski

Director at Martin Marietta Materials, as of Mar 2, 2026No sales or purchases in the past 12 months.

Updated Oct 15, 2026 from SEC filings · covers Oct 16, 2025 to Oct 15, 2026
16K
shares held after the latest filing, Martin Marietta Materials
Vested shares reported on Forms 3, 4 and 5 only. Not the insider's whole wealth.
2
companies filed for

Last filing: Mar 2, 2026. Most recent purchase on record: May 13, 2020.

Pattern

What the filings show, past 12 months. Nothing here rates or predicts.

Roles from filings

Every company we track where this person has filed, newest filing first.

CompanyTitleFirst filingLatest filing
Martin Marietta Materials (MLM)DirectorAug 15, 2016Mar 2, 2026
Union Pacific Corporation (UNP)Former Chairman of the Board, DirectorJan 26, 2004Mar 11, 2015

Also a director at

Union Pacific Corporation (UNP) (no filing in the last 18 months)

Recent filings

The last 2 days with transactions, newest first, one line per trade date. Each number links to an SEC filing.

This page shows only what this person reported on SEC ownership filings. See the methodology. Spotted something wrong? Report an error.