Timothy J.r. Harris, Director at OPGEN INC (OPGN,OPGNW), bought 6,400 shares at $6.00 ($38K) on 2015-05-08, disclosed to the SEC on 2015-05-12.
Open-market purchase of $38k OPGN,OPGNW 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.