HUDSON TECHNOLOGIES INC /NY (HDSN) Insider Trading

8 insiders at HUDSON TECHNOLOGIES INC /NY (HDSN) have purchased stock in the past 90 days, totaling $209K across 11 transactions (42,850 shares).

The most recent purchase was by CFO Bertaux Brian J. on May 19, 2026 — a $10K buy of 2,000 shares at $4.87, bringing his total holdings to 2,000 shares.

Insiders who purchased: Parrillo Richard (Director, 3 buys totaling $73K); Sheriff Alan (Director, 1 buy totaling $25K); Feeler Jeffrey R (Director, 1 buy totaling $25K); Mansy Loan Nguyen (Director, 2 buys totaling $25K); Gaglione Kenneth (CEO, 1 buy totaling $24K); Prouty Eric A (Director, 1 buy totaling $24K); Bertaux Brian J. (CFO, 1 buy totaling $10K); Bulgarino Nicole E (Director, 1 buy totaling $3K).

This level of insider buying appears elevated compared to HDSN's typical activity — there were 1 purchase in the prior nine months.

HDSN is in the Trading Companies & Distributors sector within the Trading Companies & Distributors industry with a market cap of $252M.

With 8 different insiders buying in the same 90-day window, this qualifies as cluster buying at HDSN — a pattern that research suggests can signal conviction among management.

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