Cortlandt S. Dietler, Director at HALLADOR PETROLEUM CO (HPCO), bought 16,129 shares at $3.10 ($50K) on 2007-10-05, disclosed to the SEC on 2007-11-29.
Open-market purchase of $50k HPCO by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.