Donald A. McCunniff
EVP and CHRO · MARTIN MARIETTA MATERIALS INC
Individual
- 2025
- Mar 3, 2026
- 4
Filings (90d)
Other insiders active in the same stocks
Insiders who have reported open-market trades at the same companies as Donald A. McCunniff. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Laree E. Perez - $637K in MLM purchases and sales on record
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Frequently asked questions
Who is Donald A. McCunniff?
Donald A. McCunniff is a corporate insider, tracked as EVP and CHRO of MARTIN MARIETTA MATERIALS INC (MLM). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Donald A. McCunniff last file a Form 4?
The most recent primary Form 4 on record is dated 3 March 2026, one of 4 filings going back to 2025.
