Daqiao Zhang, VP of Sales & Marketing at TIANYIN PHARMACEUTICAL CO., INC. (TPI), bought 4,100 shares at $0.49 ($2K) on 2012-05-18, disclosed to the SEC on 2012-05-24.
Open-market purchase of $2k TPI by VP of Sales & Marketing. 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.