McCunniff Donald A. has filed 8 insider transactions across 1 company since February 2025.
Most recent transaction: a grant/award of 2960 shares of MARTIN MARIETTA MATERIALS INC ($MLM) on March 01, 2026.
Activity breakdown: 0 open-market purchases and 1 sale.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 1, 2026 | MARTIN MARIETTA MATERIALS INC | $MLM | McCunniff Donald A. | EVP and CHRO | A | Common Stock | 2960 | $0.00 | 7,518.0000 | 60,600,000 | 64.94% | 0.00% |
| Feb. 23, 2026 | MARTIN MARIETTA MATERIALS INC | $MLM | McCunniff Donald A. | EVP and CHRO | F | Common Stock | 192 | $683.60 | 4,558.0000 | 60,600,000 | 4.04% | 0.00% |
| Feb. 20, 2026 | MARTIN MARIETTA MATERIALS INC | $MLM | McCunniff Donald A. | EVP and CHRO | A | Common Stock | 1277 | $0.00 | 4,750.0000 | 60,600,000 | 36.77% | 0.00% |
| Dec. 16, 2025 | MARTIN MARIETTA MATERIALS INC | $MLM | McCunniff Donald A. | EVP and CHRO | F | Common Stock | 50 | $629.49 | 3,473.0000 | 60,600,000 | 1.42% | 0.00% |
| March 5, 2025 | MARTIN MARIETTA MATERIALS INC | $MLM | McCunniff Donald A. | EVP and CHRO | M | Common Stock | 1332 | $154.58 | 4,855.0000 | 61,600,000 | 37.81% | 0.00% |
| March 5, 2025 | MARTIN MARIETTA MATERIALS INC | $MLM | McCunniff Donald A. | EVP and CHRO | M | Stock Options (Right to Buy) | 1332 | $0.00 | 0.0000 | 61,600,000 | 100.00% | 0.00% |
| March 5, 2025 | MARTIN MARIETTA MATERIALS INC | $MLM | McCunniff Donald A. | EVP and CHRO | S | Common Stock | 1332 | $475.00 | 3,523.0000 | 61,600,000 | 27.44% | 0.00% |
| Feb. 21, 2025 | MARTIN MARIETTA MATERIALS INC | $MLM | McCunniff Donald A. | EVP and CHRO | A | Common Stock | 1543 | $0.00 | 3,523.0000 | 61,600,000 | 77.93% | 0.00% |