Hudson Technologies (HDSN) insider trading in the last 6 months

Form 4 filings, newest first

Quality Score today -1

9 insiders bought $6.7M. No sales.

BuyHartree Partners, LP$604K10% ownerat $5.10 on Sep 24, filed Sep 28

BuyHartree Partners, LP10% owner$604Kat $5.10 on Sep 24, filed Sep 28

BuyHartree Partners, LP$56K10% ownerat $5.10 on Sep 23, filed Sep 23

BuyHartree Partners, LP10% owner$56Kat $5.10 on Sep 23, filed Sep 23

BuyHartree Partners, LP$13K10% ownerat $5.10 on Sep 21, filed Sep 23

BuyHartree Partners, LP10% owner$13Kat $5.10 on Sep 21, filed Sep 23

From SEC Form 4s, the newest filed Sep 28, 2026 · Insiders have 2 business days to file a trade

23 more filings on HDSN in the last 6 months, for Pro members. See them free →

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Pro members see every filing on HDSN with what each insider bought or sold and at what price, and can turn on an optional alert when an insider buys.

Who files at Hudson Technologies

Insider trades by person

Cluster buys at HDSN

9 insiders bought HDSN in the last 6 months: Hartree Partners, LP, Alan Sheriff, Jeffrey R. Feeler, Loan Nguyen Mansy, Richard Parrillo, Kenneth Gaglione, Eric A. Prouty, Brian J. Bertaux, and Nicole E. Bulgarino.

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Questions about HDSN's insider trades

As of Nov 2, 2026: Hudson Technologies (HDSN) has 26 insider filings on record in the last 6 months, the newest filed Sep 28, 2026. Its Quality Score is -1 (Poor). Scores as of 6:18 PM ET, 15 minutes behind.

Are HDSN insiders buying or selling?

9 insiders bought $6.7M across 26 filings in the last 6 months. No open-⁠market sales on record. The newest filing: Hartree Partners, LP, 10% owner, bought $604K on Sep 24, 2026. 9 insiders bought HDSN in the last 6 months: Hartree Partners, LP, Alan Sheriff, Jeffrey R. Feeler, Loan Nguyen Mansy, Richard Parrillo, Kenneth Gaglione, Eric A. Prouty, Brian J. Bertaux, and Nicole E. Bulgarino.

Who are HDSN's biggest insider sellers?

No HDSN insider sold shares on the open market in the last 6 months, as filed on Form 4.

When did an HDSN insider last buy?

Hartree Partners, LP, 10% owner, bought HDSN shares ($604K) on Sep 24, 2026, filed Sep 28, 2026, the newest insider buy on record.

Hudson Technologies's page has its Quality Score, its chart, and its earnings. More in Industrials and Wholesale-Machinery, Equipment & Supplies. HDSN is on insider buys, Sep 28 to Oct 4, 2026.