Trade Summary

1 week ago, Parrillo Richard, serving as Dir at Hudson Technologies Inc /Ny (HDSN), purchased 10,000 shares at $4.83 per share, for a total transaction value of $48,257.00. Following this transaction, Parrillo Richard now holds 195,746 shares of HDSN.

This purchase represents a 5.00% increase in Parrillo Richard's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Wednesday, May 13, 2026 and publicly disclosed via SEC Form 4 filing on Thursday, May 21, 2026 at 11:31 AM ET, 8 days after the trade was made.

Hudson Technologies Inc /Ny operates in the BASIC MATERIALS sector, specifically within the SPECIALTY CHEMICALS industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.