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HUDSON TECHNOLOGIES INC (HDSN) Stock Ownership and Short Interest

USA - Nasdaq - NASDAQ:HDSN - US4441441098 - Common Stock

7.48 USD
+0.06 (+0.81%)
Last: 1/16/2026, 8:25:07 PM
7.49 USD
+0.01 (+0.13%)
After Hours: 1/16/2026, 8:25:07 PM
HDSN Ownership Chart.HDSN Ownership Chart: showing Insider, Institutional ownership and shares available to the public.HDSN Ownership.InsiderInstitutionalPublic



Shares Outstanding43.60M
Float38.12M
Float Short Interest Percentage2.91%
Owners (insider)10.41%
Owners (institutional)79.5%
Owners (insider) change-4.29%
Owners (institutional) change-0.05%
HDSN Institutional Ownership HistoryHDSN Institutional Ownership HistoryHDSN Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 10M 20M 30M
HDSN Historical Insider Transactions ChartHDSN Historical Insider Buy and Sell Transactions ChartHDSN Historical Insider Transactions Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 0 -200K -400K
Date Name Type Shares Price Amount
Jan 8, 2026 Houghton Kathleen Option Excercise 218507 1.65 $ 360,073.68
Jan 8, 2026 Houghton Kathleen Option Excercise 101052 7.10 $ 717,469.20
Dec 5, 2025 COLEMAN BRIAN F Open Market Sale 484616 7.40 $ 3,588,096.86
Nov 17, 2025 ABBATECOLA VINCENT P Open Market Purchase 3500 6.79 $ 23,747.50
Sep 24, 2025 ABBATECOLA VINCENT P Option Excercise 4744 7.35 $ 34,868.40
Sep 24, 2025 ABBATECOLA VINCENT P Option Excercise 3519 9.91 $ 34,873.29
Jul 31, 2025 Prouty Eric A Option Excercise 4744 7.35 $ 34,868.40
Jul 31, 2025 Prouty Eric A Option Excercise 3713 9.39 $ 34,865.07
Jun 18, 2025 Bulgarino Nicole E Grant 3182 0.00 $ 0.00
Jun 18, 2025 Mansy Loan Nguyen Grant 6365 0.00 $ 0.00
Jun 18, 2025 ABBATECOLA VINCENT P Grant 3182 0.00 $ 0.00
Jun 18, 2025 Parrillo Richard Grant 3182 0.00 $ 0.00
Jun 18, 2025 Prouty Eric A Grant 3182 0.00 $ 0.00