Margaret Ann van Kempen, Director at CORE LABORATORIES N V (CLB), bought 250 shares at $102.07 ($26K) on 2015-02-03, disclosed to the SEC on 2015-02-03.
Open-market purchase of $26k CLB by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Something here stands out, but not much.