Daniel Ko Chieh Jan, Executive Vice President at QUALSTAR CORP (QBAK), bought 4,000 shares at $1.49 ($6K) on 2015-01-15, disclosed to the SEC on 2015-01-20.
Open-market purchase of $6k QBAK by Executive Vice President. 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.