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HDSN insider trading

HUDSON TECHNOLOGIES INC /NY — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
17
Bought · 24 mo
$6.0M
Buys · last 90 days
6 · $5.8M
Most recent buy
2026-08-26

Cluster buy detected

8 insiders bought HDSN within a short window (2026-05-13→2026-05-19), $210k in total — cluster score 80/100. Members see the buyers, the score breakdown and the chart.

See the cluster

Recent insider filings

FiledInsiderTypeSharesPriceValue
2026-08-26Hartree Partners, LP
10% owner
Bought100,612$5.50$553k
2026-08-14Hartree Partners, LP
10% owner
Bought5,198$5.50$29k
2026-07-31Hartree Partners, LP
10% owner
Bought52,104$5.99$312k
2026-07-22Hartree Partners, LP
10% owner
Bought65,550$5.99$393k
2026-07-08Hartree Partners, LP
10% owner
Bought5,234$5.99$31k
2026-07-02Hartree Partners, LP
10% owner
Bought764,202$5.86$4.5M
2026-05-21Parrillo Richardcluster
Director
Bought10,000$4.83$48k
2026-05-21Bertaux Brian J.cluster
Chief Financial Officer
Bought2,000$4.87$10k
2026-05-15Prouty Eric Acluster
Director
Bought5,000$4.84$24k
2026-05-15Sheriff Alancluster
Director
Bought5,200$4.88$25k
2026-05-15Gaglione Kennethcluster
President and CEO
Bought5,000$4.90$24k
2026-05-15Mansy Loan Nguyencluster
Director
Bought5,000$4.96$25k
2026-05-15Parrillo Richardcluster
Director
Bought5,000$4.96$25k
2026-05-15Bulgarino Nicole Ecluster
Director
Bought550$4.85$3k
2026-05-15Feeler Jeffrey Rcluster
Director
Bought5,100$4.92$25k
2025-12-15COLEMAN BRIAN F
Insider
Sold484,616$7.40$3.6M
2025-12-09COLEMAN BRIAN F
Director
Sold484,616$7.40$3.6M
2025-11-18ABBATECOLA VINCENT P
Director
Bought3,500$6.79$24k
2024-11-12ABBATECOLA VINCENT P
Director
Bought2,500$5.98$15k

Most active insider buyers

InsiderRoleBuysTotal bought
Hartree Partners, LP10% owner6$5.8M
Parrillo RichardDirector2$73k
ABBATECOLA VINCENT PDirector2$39k
Sheriff AlanDirector1$25k
Feeler Jeffrey RDirector1$25k
Mansy Loan NguyenDirector1$25k

See HDSN on the chart

Every insider buy and sell for HDSN plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

Open the browserFree sample
Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.