Yoshio Ishizaka, Director at MEDICINOVA INC (MNOV), bought 5,000 shares at $2.86 ($14K) on 2014-11-19, disclosed to the SEC on 2014-11-20.
Open-market purchase of $14k MNOV 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.