Martin Marietta Materials leadership changes in 2026: 2 executive moves

This page lists 2 reported executive moves at Martin Marietta Materials. The latest, on Apr 28, 2026: aggbusiness.com reported "Martin Marietta appoints chris Samborski as COO."

Public (MLM)Accounting5,001 to 10,000 employeesmartinmarietta.comLinkedIn

Reported: 2
Last 90 days: 0
Latest: Apr 28, 2026

Executive changes · latest 2

Latest Martin Marietta Materials executive moves

Latest Martin Marietta Materials executive changes
Event	Person	What the source reported	Date	Source
Executive hire	Christopher W. Samborskichief operating officer	Martin Marietta appoints chris Samborski as COO.Martin Marietta Materials, Inc. hires Christopher W. Samborski as chief operating officer.	Apr 28, 2026	aggbusiness.com
Executive hire	George F. SchoenExecutive Vice President, General Counsel and Corporate Secretary	Martin Marietta Appoints George F. Schoen as Executive Vice President, General Counsel and Corporate Secretary	Feb 11, 2026	globenewswire.com

Executive hireApr 28, 2026
Martin Marietta appoints chris Samborski as COO.Christopher W. Samborski, chief operating officer
aggbusiness.com
Executive hireFeb 11, 2026
Martin Marietta Appoints George F. Schoen as Executive Vice President, General Counsel and Corporate SecretaryGeorge F. Schoen, Executive Vice President, General Counsel and Corporate Secretary
globenewswire.com

Signal API · MCP

Track Martin Marietta Materials with the Signal API

One POST /v1/companies/enrich call with martinmarietta.com returns Martin Marietta Materials executive changes signals (news, sec-8k), each with its source. Or ask Claude through MCP.

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2 credits per signal returned; zero-result calls are free. Endpoint reference

curl -X POST https://signals.autobound.ai/v1/companies/enrich \
  -H "X-API-KEY: $AUTOBOUND_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "domain": "martinmarietta.com",
    "signal_types": ["news","sec-8k"],
    "signal_subtypes": ["hires","promotes","leaves","retires_from",
      "ceoChange","cfoChange"],
    "limit": 20
  }'