Updated Jul 16, 2026
Petro Michael J is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-03 | MLM | MARTIN MARIETTA MATERIALS INC | A — Grant or award | 3.0K | $0.00 | |
| 2026-02-25 | MLM | MARTIN MARIETTA MATERIALS INC | F — Tax withholding / forfeiture | 94 | $696.85 | $66K |
| 2026-02-25 | MLM | MARTIN MARIETTA MATERIALS INC | F — Tax withholding / forfeiture | 211 | $683.60 | $144K |
| 2026-02-24 | MLM | MARTIN MARIETTA MATERIALS INC | A — Grant or award | 931 | $0.00 | |
| 2026-02-19 | MLM | MARTIN MARIETTA MATERIALS INC | F — Tax withholding / forfeiture | 758 | $666.53 | $505K |
| 2026-02-19 | MLM | MARTIN MARIETTA MATERIALS INC | A — Grant or award | 1.7K | $0.00 | |
| 2025-07-08 | MLM | MARTIN MARIETTA MATERIALS INC | A — Grant or award | 1.8K | $0.00 | |
| 2024-12-03 | MLM | MARTIN MARIETTA MATERIALS INC | F — Tax withholding / forfeiture | 93 | $593.22 | $55K |
Petro Michael J is a corporate insider — currently tracked as SVP and CFO. InsiderAlpha tracks every SEC Form 4 filing in real time.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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