KORALESKI JOHN J has filed 16 insider transactions across 1 company since February 2023.
Most recent transaction: a grant/award of 69 shares of MARTIN MARIETTA MATERIALS INC ($MLM) on February 27, 2026.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 27, 2026 | MARTIN MARIETTA MATERIALS INC | $MLM | KORALESKI JOHN J | Director | A | Common Stock | 69 | $676.57 | 15,722.0000 | 60,600,000 | 0.44% | 0.00% |
| Nov. 28, 2025 | MARTIN MARIETTA MATERIALS INC | $MLM | KORALESKI JOHN J | Director | A | Common Stock | 75 | $623.24 | 15,653.0000 | 60,600,000 | 0.48% | 0.00% |
| Aug. 29, 2025 | MARTIN MARIETTA MATERIALS INC | $MLM | KORALESKI JOHN J | Director | A | Common Stock | 76 | $616.40 | 15,578.0000 | 61,600,000 | 0.49% | 0.00% |
| May 30, 2025 | MARTIN MARIETTA MATERIALS INC | $MLM | KORALESKI JOHN J | Director | A | Common Stock | 85 | $547.55 | 15,502.0000 | 61,600,000 | 0.55% | 0.00% |
| May 15, 2025 | MARTIN MARIETTA MATERIALS INC | $MLM | KORALESKI JOHN J | Director | A | Common Stock | 308 | $552.86 | 15,417.0000 | 61,600,000 | 2.04% | 0.00% |
| Feb. 28, 2025 | MARTIN MARIETTA MATERIALS INC | $MLM | KORALESKI JOHN J | Director | A | Common Stock | 96 | $483.14 | 15,109.0000 | 61,600,000 | 0.64% | 0.00% |
| Nov. 29, 2024 | MARTIN MARIETTA MATERIALS INC | $MLM | KORALESKI JOHN J | Director | A | Common Stock | 78 | $600.00 | 15,013.0000 | 61,600,000 | 0.52% | 0.00% |
| Aug. 30, 2024 | MARTIN MARIETTA MATERIALS INC | $MLM | KORALESKI JOHN J | Director | A | Common Stock | 87 | $534.16 | 14,935.0000 | 62,100,000 | 0.59% | 0.00% |
| May 31, 2024 | MARTIN MARIETTA MATERIALS INC | $MLM | KORALESKI JOHN J | Director | A | Common Stock | 81 | $572.80 | 14,848.0000 | 62,100,000 | 0.55% | 0.00% |
| May 16, 2024 | MARTIN MARIETTA MATERIALS INC | $MLM | KORALESKI JOHN J | Director | A | Common Stock | 293 | $581.69 | 14,767.0000 | 62,100,000 | 2.02% | 0.00% |
| Feb. 29, 2024 | MARTIN MARIETTA MATERIALS INC | $MLM | KORALESKI JOHN J | Director | A | Common Stock | 76 | $577.71 | 14,474.0000 | 62,100,000 | 0.53% | 0.00% |
| Nov. 30, 2023 | MARTIN MARIETTA MATERIALS INC | $MLM | KORALESKI JOHN J | Director | A | Common Stock | 95 | $464.59 | 14,398.0000 | 62,500,000 | 0.66% | 0.00% |
| Aug. 31, 2023 | MARTIN MARIETTA MATERIALS INC | $MLM | KORALESKI JOHN J | Director | A | Common Stock | 99 | $446.41 | 14,303.0000 | 62,500,000 | 0.70% | 0.00% |
| May 31, 2023 | MARTIN MARIETTA MATERIALS INC | $MLM | KORALESKI JOHN J | Director | A | Common Stock | 111 | $398.04 | 14,204.0000 | 62,500,000 | 0.79% | 0.00% |
| May 11, 2023 | MARTIN MARIETTA MATERIALS INC | $MLM | KORALESKI JOHN J | Director | A | Common Stock | 362 | $400.57 | 14,093.0000 | 62,500,000 | 2.64% | 0.00% |
| Feb. 28, 2023 | MARTIN MARIETTA MATERIALS INC | $MLM | KORALESKI JOHN J | Director | A | Common Stock | 122 | $359.87 | 13,731.0000 | 62,500,000 | 0.90% | 0.00% |