Marco Maria Brughera, Director at SOLIGENIX, INC. (SNGX), bought 2,000 shares at $3.16 ($6K) on 2016-12-16, disclosed to the SEC on 2016-12-20.
Open-market purchase of $6k SNGX 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.