Stephen P. Zelnak Jr., Director at MARTIN MARIETTA MATERIALS INC (MLM), bought 3,500 shares at $202.87 ($710K) on 2018-07-30, disclosed to the SEC on 2018-08-01.
Open-market purchase of $710k MLM by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade C.
Something here stands out, but not much.
| Filing → |
| BZH | SELL | 2020-03-24 | $2.8M | — | Filing → |
| BZH | BUY | 2018-02-12 | $470K | — | Filing → |
| BZH | BUY | 2016-08-29 | $143K | — | Filing → |