Robert B. Hamill, Director at ARCH COAL INC (ARCH), bought 1,000 shares at $78.40 ($78K) on 2019-08-02, disclosed to the SEC on 2019-08-02.
Open-market purchase of $78k ARCH 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.
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