Harry Penner Jr., Director at Celldex Therapeutics, Inc. (CLDX), bought 3,000 shares at $3.49 ($10K) on 2010-09-09, disclosed to the SEC on 2010-09-09.
Open-market purchase of $10k CLDX 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.