Wednesday, October 28, 2026
Data from SEC filings, checked daily
Public filings, plainly told
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Insider tradingForm 4

HUDSON TECHNOLOGIES INC /NY (HDSN) Insider Trading

8 open-market trades reported since Aug 14, 2026: 8 purchases worth $1.34M and 0 sales worth $0.

By insider

InsiderRoleBuysBoughtSellsSoldLatest
Hartree Partners, LP10% owner8$1.34M0$0Sep 28, 2026

All trades

HDSN insider trades
FiledTradedInsiderRoleTypeSharesPrice ($)ValueHolding3 mo. afterFiling
Sep 28Sep 24Hartree Partners, LP10% owner10% owner▲ BUY118,5495.10$604K+2.3%Form 4 ↗
Sep 23Sep 23Hartree Partners, LP10% owner10% owner▲ BUY11,0135.10$56K+0.2%Form 4 ↗
Sep 23Sep 21Hartree Partners, LP10% owner10% owner▲ BUY2,5025.10$13K+0.0%Form 4 ↗
Sep 18Sep 16Hartree Partners, LP10% owner10% owner▲ BUY11,1365.10$57K+0.2%Form 4 ↗
Sep 4Sep 2Hartree Partners, LP10% owner10% owner▲ BUY5,3175.10$27K+0.1%Form 4 ↗
Aug 26Aug 25Hartree Partners, LP10% owner10% owner▲ BUY91,1665.50$501K+1.8%Form 4 ↗
Aug 26Aug 24Hartree Partners, LP10% owner10% owner▲ BUY9,4465.50$52K+0.2%Form 4 ↗
Aug 14Aug 12Hartree Partners, LP10% owner10% owner▲ BUY5,1985.50$29K+0.1%Form 4 ↗
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings