John J. Koraleski, Director at MARTIN MARIETTA MATERIALS INC (MLM), bought 1,000 shares at $183.54 ($184K) on 2020-05-06, disclosed to the SEC on 2020-05-06.
Seasonal purchase ($184k) by Director — this insider has traded MLM in May in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| Filing → |
| MLM | BUY | 2018-12-18 | $174K | — | Filing → |
| MLM | BUY | 2018-07-30 | $499K | — | Filing → |
| MLM | BUY | 2017-08-18 | $99K | — | Filing → |