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Get MLM alertsChristopher W. Samborski is recorded as COO at Martin Marietta Materials Inc (MLM) since May 1, 2026. Martin Marietta Materials Inc reported in an 8-K filed April 27, 2026 that Christopher W. Samborski was appointed Executive Vice President and Chief Operating Officer, effective May 1, 2026. Christopher W. Samborski has spoken on 1 earnings call across 1 company, most recently for Martin Marietta Materials Inc on November 4, 2026. Martin Marietta Materials Inc is classified in the Building Materials industry within the Basic Materials sector. Other leadership on record at Martin Marietta Materials Inc includes C. Howard Nye (CEO and Board Member), Robert J. Cardin (CFO), Jason P. Flynn (CIO) and 7 others.
“On April 27, 2026, Martin Marietta Materials, Inc. (the "Company") announced that the Company has appointed Christopher W. Samborski, to serve as the Company's Executive Vice President and Chief Operating Officer, effective as of May 1, 2026 (the "Effective Date").”
“As you know, we started that network optimization work in the West Division last year, and since that time, we've executed similar actions in roughly half of our divisions, and we continue to look for opportunities to do that across the remainder of the footprint.”
2026-05-01–present
Building Materials · Basic Materials
COO
2026-05-01–present
