Martin Marietta appoints Christopher Samborski as EVP & COO effective May 1, 2026

MARTIN MARIETTA MATERIALS INC

Samborski previously President of West & Specialties; Kirk Light assumes those divisions.
Base salary $775,000; target annual incentive 100% of base; LTIP target 260% of base.
One-time RSU grant of $5M, vesting ratably on 6th, 7th, and 8th anniversaries.
Severance: 3x base salary plus target bonus on termination without cause or good reason.
Employment agreement includes 3-year post-termination non-compete and non-solicitation.

item 5.02 item 9.01

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