McCunniff Donald A.

McCunniff Donald A. is listed in filings as EVP and CHRO at Martin Marietta Materials Inc. This profile follows SEC Form 4 activity through Mar 3, 2026, including sale activity. Recent filings connect the profile to Martin Marietta Materials Inc (MLM). The current snapshot covers public activity from Feb 25, 2025 to Mar 3, 2026. Reported amounts are shown as $131.3K to $632.7K. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.