{"transactions":[{"id":731096,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options","published_at":"2026-06-22T13:20:37.000Z","date":"2026-06-17","kind":"grant","planned":false,"acquired":true,"shares":21186,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":21186,"derivative":{"exercise_price":5.63,"exercise_date":"2026-06-17","expiration_date":"2029-06-17","underlying":"Common Stock","underlying_shares":21186},"source":{"system":"sec-edgar","filing":"0000925528-26-000063","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/925528/000092552826000063/form4.xml","form_type":"4"}},{"id":731095,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-22T13:20:37.000Z","date":"2026-06-17","kind":"grant","planned":false,"acquired":true,"shares":4440,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":158292,"source":{"system":"sec-edgar","filing":"0000925528-26-000063","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000092552826000063/form4.xml","form_type":"4"}},{"id":777823,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-15T16:39:08.000Z","date":"2026-05-13","kind":"purchase","planned":false,"acquired":true,"shares":5000,"price":4.84,"value":24200.0,"ownership":{"direct":true},"balance_after":153852,"source":{"system":"sec-edgar","filing":"0000925528-26-000038","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000092552826000038/form4.xml","form_type":"4"}},{"id":1077869,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options","published_at":"2025-08-01T13:42:39.000Z","date":"2025-07-31","kind":"exercise","planned":false,"acquired":false,"shares":4744,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":7.35,"exercise_date":"2022-09-30","expiration_date":"2025-09-30","underlying":"Common Stock","underlying_shares":4744},"source":{"system":"sec-edgar","filing":"0001062993-25-013411","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299325013411/form4.xml","form_type":"4"}},{"id":1077868,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-01T13:42:39.000Z","date":"2025-07-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":3713,"price":9.39,"value":34865.07,"ownership":{"direct":true},"balance_after":148852,"source":{"system":"sec-edgar","filing":"0001062993-25-013411","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299325013411/form4.xml","form_type":"4"}},{"id":1077867,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-08-01T13:42:39.000Z","date":"2025-07-31","kind":"exercise","planned":false,"acquired":true,"shares":4744,"price":7.35,"value":34868.4,"ownership":{"direct":true},"balance_after":152565,"source":{"system":"sec-edgar","filing":"0001062993-25-013411","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299325013411/form4.xml","form_type":"4"}},{"id":1105479,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options","published_at":"2025-06-20T14:54:54.000Z","date":"2025-06-18","kind":"grant","planned":false,"acquired":true,"shares":13698,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":13698,"derivative":{"exercise_price":7.855,"exercise_date":"2025-06-18","expiration_date":"2028-06-18","underlying":"Common Stock","underlying_shares":13698},"source":{"system":"sec-edgar","filing":"0001062993-25-011951","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299325011951/form4.xml","form_type":"4"}},{"id":1105478,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-06-20T14:54:54.000Z","date":"2025-06-18","kind":"grant","planned":false,"acquired":true,"shares":3182,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":147821,"source":{"system":"sec-edgar","filing":"0001062993-25-011951","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299325011951/form4.xml","form_type":"4"}},{"id":1472479,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2024-06-21T19:15:28.000Z","date":"2024-06-19","kind":"grant","planned":false,"acquired":true,"shares":21739,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":21739,"derivative":{"exercise_price":8.94,"exercise_date":"2024-06-19","expiration_date":"2027-06-19","underlying":"Common Stock","underlying_shares":21739},"source":{"system":"sec-edgar","filing":"0001062993-24-012874","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299324012874/form4.xml","form_type":"4"}},{"id":1853174,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2023-06-16T17:32:04.000Z","date":"2023-06-14","kind":"grant","planned":false,"acquired":true,"shares":11737,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":11737,"derivative":{"exercise_price":9.55,"exercise_date":"2023-06-14","expiration_date":"2026-06-14","underlying":"Common Stock","underlying_shares":11737},"source":{"system":"sec-edgar","filing":"0001062993-23-013730","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299323013730/form4.xml","form_type":"4"}},{"id":1853173,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-06-16T17:32:04.000Z","date":"2023-06-14","kind":"grant","planned":false,"acquired":true,"shares":2618,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":144639,"source":{"system":"sec-edgar","filing":"0001062993-23-013730","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299323013730/form4.xml","form_type":"4"}},{"id":1854964,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-06-15T14:13:02.000Z","date":"2023-06-14","kind":"sale","planned":false,"acquired":false,"shares":20000,"price":9.56,"value":191200.0,"ownership":{"direct":true},"balance_after":142021,"source":{"system":"sec-edgar","filing":"0001062993-23-013601","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299323013601/form4.xml","form_type":"4"}},{"id":1865639,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2023-06-06T13:33:36.000Z","date":"2023-06-02","kind":"exercise","planned":false,"acquired":false,"shares":43478,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":0.98,"exercise_date":"2020-07-20","expiration_date":"2023-07-20","underlying":"Common Stock","underlying_shares":43478},"source":{"system":"sec-edgar","filing":"0001062993-23-013003","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299323013003/form4.xml","form_type":"4"}},{"id":1865638,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-06-06T13:33:36.000Z","date":"2023-06-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":4626,"price":9.21,"value":42605.46,"ownership":{"direct":true},"balance_after":162021,"source":{"system":"sec-edgar","filing":"0001062993-23-013003","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299323013003/form4.xml","form_type":"4"}},{"id":1865637,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-06-06T13:33:36.000Z","date":"2023-06-02","kind":"exercise","planned":false,"acquired":true,"shares":43478,"price":0.98,"value":42608.44,"ownership":{"direct":true},"balance_after":166647,"source":{"system":"sec-edgar","filing":"0001062993-23-013003","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299323013003/form4.xml","form_type":"4"}},{"id":2145831,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2022-10-04T13:21:34.000Z","date":"2022-09-30","kind":"grant","acquired":true,"shares":4744,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":4744,"derivative":{"exercise_price":7.35,"exercise_date":"2022-09-30","expiration_date":"2025-09-30","underlying":"Common Stock","underlying_shares":4744},"source":{"system":"sec-edgar","filing":"0001062993-22-020213","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299322020213/form4.xml","form_type":"4"}},{"id":2234766,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2022-06-13T13:22:19.000Z","date":"2022-06-09","kind":"grant","acquired":true,"shares":2726,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":2726,"derivative":{"exercise_price":9.82,"exercise_date":"2022-06-09","expiration_date":"2025-06-09","underlying":"Common Stock","underlying_shares":2726},"source":{"system":"sec-edgar","filing":"0001062993-22-014722","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299322014722/form4.xml","form_type":"4"}},{"id":2278282,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-05-09T20:57:50.000Z","date":"2022-05-09","kind":"sale","acquired":false,"shares":75000,"price":9,"value":675000.0,"ownership":{"direct":true},"balance_after":123169,"source":{"system":"sec-edgar","filing":"0001062993-22-011903","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299322011903/form4.xml","form_type":"4"}},{"id":2278281,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2022-05-09T16:20:10.000Z","date":"2022-05-06","kind":"exercise","acquired":false,"shares":80000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":0.62,"exercise_date":"2019-08-27","expiration_date":"2022-08-27","underlying":"Common Stock","underlying_shares":80000},"source":{"system":"sec-edgar","filing":"0001062993-22-011866","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299322011866/form4.xml","form_type":"4"}},{"id":2278280,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-05-09T16:20:10.000Z","date":"2022-05-06","kind":"tax_withholding","acquired":false,"shares":5339,"price":9.29,"value":49599.31,"ownership":{"direct":true},"balance_after":198169,"source":{"system":"sec-edgar","filing":"0001062993-22-011866","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299322011866/form4.xml","form_type":"4"}},{"id":2278279,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-05-09T16:20:10.000Z","date":"2022-05-06","kind":"exercise","acquired":true,"shares":80000,"price":0.62,"value":49600.0,"ownership":{"direct":true},"balance_after":203508,"source":{"system":"sec-edgar","filing":"0001062993-22-011866","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000106299322011866/form4.xml","form_type":"4"}},{"id":2585874,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2021-08-31T17:11:00.000Z","date":"2021-08-30","kind":"exercise","acquired":false,"shares":42553,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":1.09,"exercise_date":"2020-04-10","expiration_date":"2021-11-30","underlying":"Common Stock","underlying_shares":42553},"source":{"system":"sec-edgar","filing":"0001449374-21-000056","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/925528/000144937421000056/edgar.xml","form_type":"4"}},{"id":2585873,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-08-31T17:11:00.000Z","date":"2021-08-30","kind":"tax_withholding","acquired":false,"shares":14272,"price":3.25,"value":46384.0,"ownership":{"direct":true},"balance_after":123508,"source":{"system":"sec-edgar","filing":"0001449374-21-000056","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/925528/000144937421000056/edgar.xml","form_type":"4"}},{"id":2585872,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-08-31T17:11:00.000Z","date":"2021-08-30","kind":"exercise","acquired":true,"shares":42553,"price":1.09,"value":46382.77,"ownership":{"direct":true},"balance_after":137780,"source":{"system":"sec-edgar","filing":"0001449374-21-000056","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000144937421000056/edgar.xml","form_type":"4"}},{"id":2645954,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-07-02T13:55:12.000Z","date":"2021-07-01","kind":"grant","acquired":true,"shares":7059,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Stock grant issued as part of annual director fees."}],"balance_after":95227,"source":{"system":"sec-edgar","filing":"0001449374-21-000038","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000144937421000038/edgar.xml","form_type":"4"}},{"id":2659553,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2021-06-22T14:59:00.000Z","date":"2021-06-02","kind":"exercise","acquired":false,"shares":18092,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":1.76,"exercise_date":"2018-07-26","expiration_date":"2021-07-26","underlying":"Common Stock","underlying_shares":18092},"source":{"system":"sec-edgar","filing":"0001449374-21-000032","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/925528/000144937421000032/edgar.xml","form_type":"4"}},{"id":2659552,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-22T14:59:00.000Z","date":"2021-06-02","kind":"tax_withholding","acquired":false,"shares":10614,"price":3,"value":31842.0,"ownership":{"direct":true},"balance_after":88168,"source":{"system":"sec-edgar","filing":"0001449374-21-000032","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/925528/000144937421000032/edgar.xml","form_type":"4"}},{"id":2659551,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-22T14:59:00.000Z","date":"2021-06-02","kind":"exercise","acquired":true,"shares":18092,"price":1.76,"value":31841.92,"ownership":{"direct":true},"balance_after":98782,"source":{"system":"sec-edgar","filing":"0001449374-21-000032","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000144937421000032/edgar.xml","form_type":"4"}},{"id":3078235,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2020-07-22T14:43:52.000Z","date":"2020-07-20","kind":"grant","acquired":true,"shares":43478,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":43478,"derivative":{"exercise_price":0.98,"exercise_date":"2020-07-20","expiration_date":"2023-07-20","underlying":"Common Stock","underlying_shares":43478},"source":{"system":"sec-edgar","filing":"0001449374-20-000004","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000144937420000004/edgar.xml","form_type":"4"}},{"id":3333012,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2019-12-23T21:46:35.000Z","date":"2019-12-19","kind":"grant","acquired":true,"shares":25000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Options vest quarterly in four equal installments commencing with the first quarter 2020 and ending with the 4th quarter 2020, with vesting conditioned upon continued compliance with term loan financial covenant."}],"balance_after":25000,"derivative":{"exercise_price":0.75,"exercise_date":"2020-04-10","expiration_date":"2029-12-19","underlying":"Common Stock","underlying_shares":25000},"source":{"system":"sec-edgar","filing":"0001010541-19-000017","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/925528/000101054119000017/primary_doc.xml","form_type":"4"}},{"id":3333011,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2019-12-23T21:46:35.000Z","date":"2019-12-19","kind":"grant","acquired":true,"shares":35000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":35000,"derivative":{"exercise_price":0.75,"exercise_date":"2019-12-19","expiration_date":"2029-12-19","underlying":"Common Stock","underlying_shares":35000},"source":{"system":"sec-edgar","filing":"0001010541-19-000017","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000101054119000017/primary_doc.xml","form_type":"4"}},{"id":3426863,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2019-08-29T21:27:58.000Z","date":"2019-08-27","kind":"grant","acquired":true,"shares":80000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":80000,"derivative":{"exercise_price":0.62,"exercise_date":"2019-08-27","expiration_date":"2022-08-27","underlying":"Common Stock","underlying_shares":80000},"source":{"system":"sec-edgar","filing":"0001010541-19-000009","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000101054119000009/primary_doc.xml","form_type":"4"}},{"id":3534171,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-05-09T20:53:37.000Z","date":"2019-05-08","kind":"purchase","acquired":true,"shares":5000,"price":1.89,"value":9450.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Excludes 28,730 shares which may be purchased pursuant to stock options"}],"balance_after":80690,"source":{"system":"sec-edgar","filing":"0001010541-19-000005","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000101054119000005/primary_doc.xml","form_type":"4"}},{"id":3690766,"issuer":{"id":7979,"kind":"organization","name":"Aqua Metals, Inc."},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-01-22T22:49:17.000Z","date":"2019-01-17","kind":"purchase","acquired":true,"shares":5000,"price":1.9,"value":9500.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 6,757 shares underlying restricted stock units (\"RSUs\") that are not yet vested and deliverable.  All of these RSU's shall vest and be delivered on March 29, 2019."}],"balance_after":25622,"source":{"system":"sec-edgar","filing":"0001209191-19-004804","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1620724/000120919119004804/doc4.xml","form_type":"4"}},{"id":3708979,"issuer":{"id":7979,"kind":"organization","name":"Aqua Metals, Inc."},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-01-04T02:48:22.000Z","date":"2019-01-02","kind":"grant","acquired":true,"shares":6757,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Includes 6,757 shares underlying restricted stock units (\"RSUs\") that are not yet vested and deliverable.  All of these RSU's shall vest and be delivered on March 29, 2019."}],"balance_after":20622,"source":{"system":"sec-edgar","filing":"0001209191-19-001628","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1620724/000120919119001628/doc4.xml","form_type":"4"}},{"id":3734672,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-12-12T22:50:00.000Z","date":"2018-12-12","kind":"purchase","acquired":true,"shares":5000,"price":1.64,"value":8200.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Excludes 60,645 shares which may be purchased pursuant to stock options."}],"balance_after":75690,"source":{"system":"sec-edgar","filing":"0001010541-18-000027","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000101054118000027/primary_doc.xml","form_type":"4"}},{"id":3744734,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2018-12-05T02:38:27.000Z","date":"2018-11-30","kind":"grant","acquired":true,"shares":42553,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Options vest quarterly in four equal installments commencing with the 1st quarter 2019 and ending with the 4th quarter 2019, with vesting conditioned upon continued compliance with term loan financial covenants."}],"balance_after":42553,"derivative":{"exercise_price":1.09,"exercise_date":"2019-04-10","expiration_date":"2021-11-30","underlying":"Common Stock","underlying_shares":42553},"source":{"system":"sec-edgar","filing":"0001010541-18-000025","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000101054118000025/primary_doc.xml","form_type":"4"}},{"id":3842388,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-08-16T21:31:34.000Z","date":"2018-08-15","kind":"purchase","acquired":true,"shares":5000,"price":1.81,"value":9050.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Excludes 18,092 shares which may be purchased pursuant to Stock Options."}],"balance_after":70690,"source":{"system":"sec-edgar","filing":"0001010541-18-000016","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000101054118000016/primary_doc.xml","form_type":"4"}},{"id":3859383,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2018-07-30T21:51:38.000Z","date":"2018-07-26","kind":"grant","acquired":true,"shares":18092,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":18092,"derivative":{"exercise_price":1.76,"exercise_date":"2018-07-26","expiration_date":"2021-07-26","underlying":"Common Stock","underlying_shares":18092},"source":{"system":"sec-edgar","filing":"0001010541-18-000013","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/925528/000101054118000013/primary_doc.xml","form_type":"4"}},{"id":3859382,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-07-30T21:51:38.000Z","date":"2018-07-26","kind":"grant","acquired":true,"shares":11364,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Stock Grant from Company. All shares vest upon issuance."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Excludes 18,092 shares which may be purchased pursuant to stock options."}],"balance_after":65690,"source":{"system":"sec-edgar","filing":"0001010541-18-000013","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000101054118000013/primary_doc.xml","form_type":"4"}},{"id":3872672,"issuer":{"id":7979,"kind":"organization","name":"Aqua Metals, Inc."},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-07-05T22:52:05.000Z","date":"2018-07-02","kind":"grant","acquired":true,"shares":8865,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Includes 8,865 shares underlying restricted stock units (\"RSUs\") that are not yet vested and deliverable.  All of these RSU's shall vest and be delivered on January 4, 2019."}],"balance_after":13865,"source":{"system":"sec-edgar","filing":"0001209191-18-041772","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1620724/000120919118041772/doc4.xml","form_type":"4"}},{"id":3890827,"issuer":{"id":7979,"kind":"organization","name":"Aqua Metals, Inc."},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-06-18T22:11:50.000Z","date":"2018-06-18","kind":"purchase","acquired":true,"shares":5000,"price":2.85,"value":14250.0,"ownership":{"direct":true},"balance_after":5000,"source":{"system":"sec-edgar","filing":"0001209191-18-038409","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1620724/000120919118038409/doc4.xml","form_type":"4"}},{"id":3919313,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-05-24T17:47:55.000Z","date":"2018-05-24","kind":"purchase","acquired":true,"shares":5000,"price":2.33,"value":11650.0,"ownership":{"direct":true},"balance_after":54326,"source":{"system":"sec-edgar","filing":"0001010541-18-000009","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000101054118000009/primary_doc.xml","form_type":"4"}},{"id":3942603,"issuer":{"id":7979,"kind":"organization","name":"Aqua Metals, Inc."},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Prouty Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Director Option (right to buy)","published_at":"2018-05-08T20:12:26.000Z","date":"2018-05-04","kind":"grant","acquired":true,"shares":25735,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"One-twelfth of the shares subject to the option shall vest and become exercisable on June 4, 2018 and on the 4th day of the next 11 consecutive months thereafter."}],"balance_after":25735,"derivative":{"exercise_price":3.93,"expiration_date":"2023-05-04","underlying":"Common Stock","underlying_shares":25735},"source":{"system":"sec-edgar","filing":"0001209191-18-028549","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1620724/000120919118028549/doc4.xml","form_type":"4"}},{"id":4162783,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Proudy Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-11-15T23:10:34.000Z","date":"2017-11-13","kind":"grant","acquired":true,"shares":3236,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Stock grant from Company.  All shares vest upon issuance."}],"balance_after":49326,"source":{"system":"sec-edgar","filing":"0001010541-17-000014","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000101054117000014/primary_doc.xml","form_type":"4"}},{"id":4227888,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Proudy Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2017-08-22T23:15:22.000Z","date":"2017-08-21","kind":"exercise","acquired":false,"shares":26600,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":3.23,"exercise_date":"2014-10-01","expiration_date":"2017-10-01","underlying":"Common Stock","underlying_shares":26600},"source":{"system":"sec-edgar","filing":"0001010541-17-000011","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/925528/000101054117000011/primary_doc.xml","form_type":"4"}},{"id":4227887,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Proudy Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-08-22T23:15:22.000Z","date":"2017-08-21","kind":"tax_withholding","acquired":false,"shares":10216,"price":8.41,"value":85916.56,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"No shares were sold on the open market. Pursuant to provisions of the Company's Stock Incentive Plan, shares from option exercise were applied by the Company to cover the purchase price due upon exercise of options."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Closing Stock Price on 8/21/2017"}],"balance_after":46090,"source":{"system":"sec-edgar","filing":"0001010541-17-000011","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/925528/000101054117000011/primary_doc.xml","form_type":"4"}},{"id":4227886,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Proudy Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-08-22T23:15:22.000Z","date":"2017-08-21","kind":"exercise","acquired":true,"shares":26600,"price":3.23,"value":85918.0,"ownership":{"direct":true},"balance_after":56306,"source":{"system":"sec-edgar","filing":"0001010541-17-000011","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000101054117000011/primary_doc.xml","form_type":"4"}},{"id":4604993,"issuer":{"id":6244,"kind":"organization","name":"HUDSON TECHNOLOGIES INC /NY","symbol":"HDSN"},"owners":[{"id":36517,"kind":"person","name":"Prouty Eric A","position":1,"cik":"0001620724","reported_name":"Proudy Eric A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-09-13T21:49:29.000Z","date":"2016-08-24","kind":"grant","acquired":true,"shares":3149,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Stock Grant from Company.  All shares vest upon issuance"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 26,600 shares which may be purchased pursuant to stock options."}],"balance_after":56306,"source":{"system":"sec-edgar","filing":"0001010541-16-000065","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/925528/000101054116000065/primary_doc.xml","form_type":"4"}}]}