Alan W. Tuck, Director at GTC BIOTHERAPEUTICS INC (GTCB), bought 806 shares at $1.24 ($999) on 2006-09-29, disclosed to the SEC on 2007-02-23.
Open-market purchase of $999 GTCB 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.