Hudson Technologies Inc /NY

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Hudson Technologies Inc /NY
TickerHDSN
CIK #0000925528
CUSIP444144109
SectorTrade & Services - Wholesale-Machinery, Equipment & Supplies
AddressPO Box 1541 One Blue Hill Plaza, 14th Floor, Pearl River, NY 10965
Source [EDGAR]
CIK Filing 2011 - 2026
[0000925528] 10-K
[0000925528] 10-Q
[0000925528] 3
[0000925528] 4
[0000925528] 5
[0000925528] 8-K
[0000925528] SC 13D
[0000925528] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Hartree Partners LP Hudson Technologies Inc /NY [2026-06-05] 0.0
Dimensional Fund Advisors LP Hudson Technologies Inc /NY [2026-04-09] 0.0
Hartree Partners LP Hudson Technologies Inc /NY [2025-12-10] 0.0
Westerly Capital Management LLC Hudson Technologies Inc /NY [2025-06-24] 0.0
Hartree Partners LP Hudson Technologies Inc /NY [2025-03-12] 0.0
BlackRock Inc Hudson Technologies Inc /NY [2023-02-03] 6.0
Goldberg Capital Management Hudson Technologies Inc /NY [2022-03-22] 6.1
Cooper Creek Partners Management LLC Hudson Technologies Inc /NY [2022-02-14] 0.3
Calm Waters Partnership Hudson Technologies Inc /NY [2021-07-01] 5.1
Coleman Brian F Hudson Technologies Inc /NY [2021-05-25] 5.7
Riva Ridge Capital Management LP Hudson Technologies Inc /NY [2021-05-24] 5.4
Zugibe Maura Hudson Technologies Inc /NY [2021-05-04] 8.7
Cooper Creek Partners Management LLC Hudson Technologies Inc /NY [2021-02-12] 0.8
Lazatrus Ernest Hudson Technologies Inc /NY [2019-07-29] 12.0
FIL Ltd Hudson Technologies Inc /NY [2019-02-13] 0.0
Granahan Investment Management Inc/Ma Hudson Technologies Inc /NY [2019-02-12] 5.1
Calm Waters Partnership Hudson Technologies Inc /NY [2018-08-09] 5.2
FMR LLC Hudson Technologies Inc /NY [2018-02-13] 0.0
Dimensional Fund Advisors LP Hudson Technologies Inc /NY [2018-02-09] 5.6
ArrowMark Colorado Holdings LLC Hudson Technologies Inc /NY [2018-02-09] 5.8
DNB Asset Management as Hudson Technologies Inc /NY [2018-02-08] 6.5
BlackRock Inc Hudson Technologies Inc /NY [2018-02-01] 5.7
Cooper Creek Partners Management LLC Hudson Technologies Inc /NY [2018-01-25] 5.78
Marathon Capital Management Hudson Technologies Inc /NY [2016-02-12] 4.1
William Blair Investment Management LLC Hudson Technologies Inc /NY [2016-02-09] 0.3
Heartland Advisors Inc Hudson Technologies Inc /NY [2015-02-13] 7.8
Becker Drapkin Management LP Hudson Technologies Inc /NY [2014-06-16] 8.7
Perritt Capital Management Inc Hudson Technologies Inc /NY [2014-02-14] 6.1
Blair William & Co/IL Hudson Technologies Inc /NY [2014-02-06] 8.59
[2012-03-21] None
Form 3/4/5 Filer 2011 - 2026
Hudson Technologies Inc /NY
Hartree Partners LP
Parrillo Richard
Sheriff Alan
Prouty Eric A
Feeler Jeffrey R
Bulgarino Nicole E
Mansy Loan Nguyen
Bertaux Brian J
Gaglione Kenneth
Stoody Robert
Houghton Kathleen
Coleman Brian F
Abbatecola Vincent P
Krishnamurti Nat
Mandracchia Stephen P
Morch Otto C
Monetta Dominic J
Caruso Richard Damian
Estate of Kevin J Zugibe
Frizzley Jill Kathleen
Maupin Ryan A
Zugibe Kevin J
Harkins Charles F
Buscemi James R
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Houghton Kathleen
Common Stock
2026-01-08 Option exercise 50,888 $3.81 193,883
Houghton Kathleen
Common Stock
2026-01-08 Option exercise 47,619 $1.60 76,190
Houghton Kathleen
Stock Option · derivative
2026-01-08 Option exercise 50,888 $0.00
Houghton Kathleen
Common Stock
2026-01-08 Tax withheld 44,873 $7.10 318,598
Houghton Kathleen
Common Stock
2026-01-08 Tax withheld 34,382 $7.10 244,112
Houghton Kathleen
Stock Option · derivative
2026-01-08 Option exercise 47,619 $0.00
Houghton Kathleen
Common Stock
2026-01-08 Tax withheld 21,797 $7.10 154,759
Houghton Kathleen
Stock Option · derivative
2026-01-08 Option exercise 120,000 $0.00
Houghton Kathleen
Common Stock
2026-01-08 Option exercise 120,000 $0.75 90,000
Coleman Brian F
Common Stock
2025-12-05 Sell 484,616 $7.40 3,586,158
Common Stock
2025-12-05 Sell 484,616 $7.40 3,586,158
Gaglione Kenneth
Stock Option · derivative
2025-11-24 Grant 216,309 $0.00
Abbatecola Vincent P
Common Stock
2025-11-17 Buy 3,500 $6.79 23,765
Common Stock
2025-09-24 Tax withheld 3,519 $9.91 34,873
Stock Options · derivative
2025-09-24 Option exercise 4,744 $0.00
Common Stock
2025-09-24 Option exercise 4,744 $7.35 34,868
Prouty Eric A
Common Stock
2025-07-31 Tax withheld 3,713 $9.39 34,865
Prouty Eric A
Common Stock
2025-07-31 Option exercise 4,744 $7.35 34,868
Prouty Eric A
Stock Options · derivative
2025-07-31 Option exercise 4,744 $0.00
Prouty Eric A
Stock Options · derivative
2025-06-18 Grant 13,698 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 160 32,986,605
2025-12-31 168 32,965,641
2025-09-30 173 33,332,887
2025-06-30 149 34,080,452
2025-03-31 163 31,642,635
2024-12-31 170 30,072,509
2024-09-30 174 30,911,904
2024-06-30 162 31,575,338
2024-03-31 169 32,269,364
2023-12-31 148 31,797,391
2023-09-30 145 28,206,292
2023-06-30 135 25,882,054
Form 13F Holdings
Firm Period DFND Voting Shares
Wedge Capital Management L L P/NC [2026-06-30] SOLE 113,197 137,618
Isthmus Partners LLC [2026-06-30] SOLE 57,456 57,456
Park Capital Management LLC / WI [2026-06-30] SOLE 27,078 27,078
Commonwealth Financial Services LLC [2026-06-30] SOLE 0 16,728
Fifth Third Wealth Advisors LLC [2026-06-30] SOLE 16,445 16,445
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 247 15,133
Cardinal Point Capital Management ULC [2026-06-30] SOLE 0 12,850
1620 Investment Advisors Inc [2026-06-30] SOLE 12,430 12,430
Alaska Retirement Management Board [2026-06-30] SOLE 4,145 4,145
Farther Finance Advisors LLC [2026-06-30] SOLE 0 3,627
Gamma Investing LLC [2026-06-30] DFND 1,579 1,579
Versant Capital Management Inc [2026-06-30] SOLE 1,134 1,134
True Wealth Design LLC [2026-06-30] SOLE 0 684
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