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HDSNHUDSON TECHNOLOGIES INC /NY

Market cap
$226.02M
as of 2026-10-23
Latest close
$5.37
as of 2026-10-23
Sector
Basic Materials
as of 2026-10-24
Industry
Specialty Chemicals
as of 2026-10-24

Cluster

No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).

Form 4 historysince 2023-10-27

Dashed line = amended filing (Form 4/A)

InsiderTradedFiledTypeSharesPriceValueOwned after10b5-1 planFiling
Hartree Partners, LPSep 24Sep 28P118,549$5.10Purchase +$604,6005,348,517NoForm 4
Hartree Partners, LPSep 23Sep 23P11,013$5.10Purchase +$56,1665,229,968NoForm 4
Hartree Partners, LPSep 21Sep 23P2,502$5.10Purchase +$12,7605,218,955NoForm 4
Hartree Partners, LPSep 16Sep 18P11,136$5.10Purchase +$56,7945,216,453NoForm 4
Hartree Partners, LPSep 2Sep 4P5,317$5.10Purchase +$27,1175,205,317NoForm 4
Hartree Partners, LPAug 25Aug 26P91,166$5.50Purchase +$501,4135,200,000NoForm 4
Hartree Partners, LPAug 24Aug 26P9,446$5.50Purchase +$51,9535,108,834NoForm 4
Hartree Partners, LPAug 12Aug 14P5,198$5.50Purchase +$28,5895,099,388NoForm 4
Hartree Partners, LPJul 29Jul 31P52,104$5.99Purchase +$312,1035,094,190NoForm 4
Hartree Partners, LPJul 21Jul 22P47,708$5.99Purchase +$285,7715,042,086NoForm 4
Hartree Partners, LPJul 20Jul 22P17,842$5.99Purchase +$106,8744,994,378NoForm 4
Hartree Partners, LPJul 7Jul 8P600$5.99Purchase +$3,5944,976,536NoForm 4
Hartree Partners, LPJul 6Jul 8P4,634$5.99Purchase +$27,7584,975,936NoForm 4
Hartree Partners, LPJul 2Jul 2P271,302$5.97Purchase +$1,619,6734,971,302NoForm 4
Hartree Partners, LPJul 1Jul 2P288,111$5.88Purchase +$1,694,0934,700,000NoForm 4
Hartree Partners, LPJun 30Jul 2P204,789$5.68Purchase +$1,163,2024,411,889NoForm 4
Feeler Jeffrey RJun 17Jun 22A3,219$0.00$012,384NoForm 4
Feeler Jeffrey RJun 17Jun 22A · derivative15,360$5.63$86,47715,360NoForm 4
Bulgarino Nicole EJun 17Jun 22A · derivative31,780$5.63$178,92131,780NoForm 4
Mansy Loan NguyenJun 17Jun 22A8,881$0.00$034,476NoForm 4
Mansy Loan NguyenJun 17Jun 22A · derivative21,186$5.63$119,27721,186NoForm 4
Parrillo RichardJun 17Jun 22A · derivative31,780$5.63$178,92131,780NoForm 4
Prouty Eric AJun 17Jun 22A4,440$0.00$0158,292NoForm 4
Prouty Eric AJun 17Jun 22A · derivative21,186$5.63$119,27721,186NoForm 4
Sheriff AlanJun 17Jun 22A3,219$0.00$012,484NoForm 4
Sheriff AlanJun 17Jun 22A · derivative15,360$5.63$86,47715,360NoForm 4
Bertaux Brian J.Chief Financial OfficerMay 19May 21P2,000$4.87Purchase +$9,7402,000NoForm 4
Parrillo RichardMay 13May 214/AP10,000$4.83Purchase +$48,300195,746NoForm 4/A
Feeler Jeffrey RMay 14May 15P5,100$4.92Purchase +$25,0929,165NoForm 4
Bulgarino Nicole EMay 14May 15P550$4.85Purchase +$2,66811,048NoForm 4
Parrillo RichardMay 14May 15P3,600$4.96Purchase +$17,85624,195NoForm 4
Parrillo RichardMay 14May 15P1,400$4.97Purchase +$6,95825,595NoForm 4
Mansy Loan NguyenMay 14May 15P3,600$4.96Purchase +$17,85624,195NoForm 4
Mansy Loan NguyenMay 14May 15P1,400$4.97Purchase +$6,95825,595NoForm 4
Gaglione KennethPresident and CEOMay 13May 15P5,000$4.90Purchase +$24,5005,000NoForm 4
Sheriff AlanMay 13May 15P5,200$4.88Purchase +$25,3769,265NoForm 4
Prouty Eric AMay 13May 15P5,000$4.84Purchase +$24,200153,852NoForm 4
Feeler Jeffrey RApr 10Apr 14A4,065$0.00$04,065NoForm 4
Sheriff AlanApr 10Apr 14A4,065$0.00$04,065NoForm 4
Houghton KathleenSr. VP-Sales and MarketingJan 8Jan 12M120,000$0.75$90,000161,163NoForm 4
Houghton KathleenSr. VP-Sales and MarketingJan 8Jan 12F44,873$7.10$318,598116,290NoForm 4
Houghton KathleenSr. VP-Sales and MarketingJan 8Jan 12M47,619$1.60$76,190163,909NoForm 4
Houghton KathleenSr. VP-Sales and MarketingJan 8Jan 12F21,797$7.10$154,759142,112NoForm 4
Houghton KathleenSr. VP-Sales and MarketingJan 8Jan 12M50,888$3.81$193,883193,000NoForm 4
Houghton KathleenSr. VP-Sales and MarketingJan 8Jan 12F34,382$7.10$244,112158,618NoForm 4
Houghton KathleenSr. VP-Sales and MarketingJan 8Jan 12M · derivative120,000$0.75$90,000not reportedNoForm 4
Houghton KathleenSr. VP-Sales and MarketingJan 8Jan 12M · derivative47,619$1.60$76,190not reportedNoForm 4
Houghton KathleenSr. VP-Sales and MarketingJan 8Jan 12M · derivative50,888$3.81$193,883not reportedNoForm 4
Coleman Brian FDec 5, 2025Dec 15, 20254/AS484,616$7.40Sale −$3,586,158426,968NoForm 4/A
Gaglione KennethPresident and CEONov 24, 2025Nov 25, 2025A · derivative216,309$6.70$1,449,270216,309NoForm 4
Abbatecola Vincent PNov 17, 2025Nov 18, 2025P3,500$6.79Purchase +$23,765169,748NoForm 4
Abbatecola Vincent PSep 24, 2025Sep 26, 2025M4,744$7.35$34,868169,767NoForm 4
Abbatecola Vincent PSep 24, 2025Sep 26, 2025F3,519$9.91$34,873166,248NoForm 4
Abbatecola Vincent PSep 24, 2025Sep 26, 2025M · derivative4,744$7.35$34,868not reportedNoForm 4
Prouty Eric AJul 31, 2025Aug 1, 2025M4,744$7.35$34,868152,565NoForm 4
Prouty Eric AJul 31, 2025Aug 1, 2025F3,713$9.39$34,865148,852NoForm 4
Prouty Eric AJul 31, 2025Aug 1, 2025M · derivative4,744$7.35$34,868not reportedNoForm 4
Prouty Eric AJun 18, 2025Jun 20, 2025A3,182$0.00$0147,821NoForm 4
Prouty Eric AJun 18, 2025Jun 20, 2025A · derivative13,698$7.86$107,66613,698NoForm 4
Parrillo RichardJun 18, 2025Jun 20, 2025A3,182$0.00$0185,746NoForm 4
Parrillo RichardJun 18, 2025Jun 20, 2025A · derivative13,698$7.86$107,66613,698NoForm 4
Abbatecola Vincent PJun 18, 2025Jun 20, 2025A3,182$0.00$0165,023NoForm 4
Abbatecola Vincent PJun 18, 2025Jun 20, 2025A · derivative13,698$7.86$107,66613,698NoForm 4
Mansy Loan NguyenJun 18, 2025Jun 20, 2025A6,365$0.00$020,595NoForm 4
Mansy Loan NguyenJun 18, 2025Jun 20, 2025A · derivative13,698$7.86$107,66613,698NoForm 4
Bulgarino Nicole EJun 18, 2025Jun 20, 2025A3,182$0.00$010,498NoForm 4
Bulgarino Nicole EJun 18, 2025Jun 20, 2025A · derivative13,698$7.86$107,66613,698NoForm 4
Houghton KathleenSr. VP-Sales and MarketingMar 13, 2025Mar 17, 2025A · derivative72,477$5.95$431,23872,477NoForm 4
Coleman Brian FPresident, CEOMar 13, 2025Mar 17, 2025A · derivative140,813$5.95$837,837140,813NoForm 4
Bertaux Brian J.VP and CFOMar 13, 2025Mar 17, 2025A · derivative55,109$5.95$327,89955,109NoForm 4
Abbatecola Vincent PNov 7, 2024Nov 12, 2024P2,500$5.98Purchase +$14,950161,841NoForm 4
Prouty Eric AJun 19, 2024Jun 21, 2024A · derivative21,739$8.94$194,34721,739NoForm 4
Abbatecola Vincent PJun 19, 2024Jun 21, 2024A · derivative25,362$8.94$226,73625,362NoForm 4
Parrillo RichardJun 19, 2024Jun 21, 2024A2,796$0.00$0182,564NoForm 4
Parrillo RichardJun 19, 2024Jun 21, 2024A · derivative14,493$8.94$129,56714,493NoForm 4
Mansy Loan NguyenJun 19, 2024Jun 21, 2024A5,593$0.00$014,230NoForm 4
Mansy Loan NguyenJun 19, 2024Jun 21, 2024A · derivative14,493$8.94$129,56714,493NoForm 4
Bulgarino Nicole EJun 19, 2024Jun 21, 2024A3,915$0.00$07,316NoForm 4
Bulgarino Nicole EJun 19, 2024Jun 21, 2024A · derivative14,493$8.94$129,56714,493NoForm 4
Abbatecola Vincent PJun 14, 2024Jun 18, 2024S10,000$9.20Sale −$92,000159,341NoForm 4
Abbatecola Vincent PJun 12, 2024Jun 14, 2024M8,276$3.40$28,138172,396NoForm 4
Abbatecola Vincent PJun 12, 2024Jun 14, 2024F3,055$9.21$28,137169,341NoForm 4
Abbatecola Vincent PJun 12, 2024Jun 14, 2024M · derivative8,276$3.40$28,138not reportedNoForm 4
Houghton KathleenSr. VP-Sales and MarketingFeb 27, 2024Feb 28, 2024A · derivative9,444$14.89$140,6219,444NoForm 4
Krishnamurti NatCFOFeb 27, 2024Feb 28, 2024A · derivative7,378$14.89$109,8587,378NoForm 4
Coleman Brian FPresident, CEOFeb 27, 2024Feb 28, 2024A · derivative20,067$14.89$298,79820,067NoForm 4
Parrillo RichardDec 14, 2023Dec 14, 2023S2,259$13.31Sale −$30,067197,714NoForm 4
Parrillo RichardDec 14, 2023Dec 14, 2023S55$13.32Sale −$733197,659NoForm 4
Parrillo RichardDec 14, 2023Dec 14, 2023S12,686$13.30Sale −$168,724184,973NoForm 4
Parrillo RichardDec 14, 2023Dec 14, 2023S51$13.27Sale −$677184,922NoForm 4
Parrillo RichardDec 14, 2023Dec 14, 2023S51$13.26Sale −$676184,871NoForm 4
Parrillo RichardDec 14, 2023Dec 14, 2023S5,103$13.25Sale −$67,615179,768NoForm 4
Parrillo RichardDec 13, 2023Dec 14, 2023S11,100$12.95Sale −$143,745211,272NoForm 4
Parrillo RichardDec 13, 2023Dec 14, 2023S9,865$12.91Sale −$127,357201,407NoForm 4
Parrillo RichardDec 13, 2023Dec 14, 2023S300$12.96Sale −$3,888201,107NoForm 4
Parrillo RichardDec 13, 2023Dec 14, 2023S134$12.92Sale −$1,731200,973NoForm 4
Parrillo RichardDec 13, 2023Dec 14, 2023S1,000$12.91Sale −$12,910199,973NoForm 4
Parrillo RichardDec 12, 2023Dec 14, 2023S10,000$12.75Sale −$127,500242,372NoForm 4
Parrillo RichardDec 12, 2023Dec 14, 2023S10,000$12.95Sale −$129,500232,372NoForm 4
Parrillo RichardDec 12, 2023Dec 14, 2023S10,000$12.85Sale −$128,500222,372NoForm 4
Abbatecola Vincent POct 25, 2023Oct 27, 2023M21,118$1.88$39,702167,183NoForm 4
Abbatecola Vincent POct 25, 2023Oct 27, 2023F3,063$12.96$39,696164,120NoForm 4
Abbatecola Vincent POct 25, 2023Oct 27, 2023M · derivative21,118$1.88$39,702not reportedNoForm 4