Hudson Technologies HDSN SEC Filings

NASDAQ HDSN
$5.41 +0.11 (+1.98%)
At close: Oct 21, 2026 · 4:00 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Hudson Technologies Inc /Ny (HDSN) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
14Insider Transaction0000921895-26-002658Sep 28, 2026 8:25 PM
24Insider Transaction0000921895-26-002633Sep 23, 2026 9:03 PM
34Insider Transaction0000921895-26-002585Sep 18, 2026 8:16 PM
44Insider Transaction0000921895-26-002492Sep 4, 2026 9:43 PM
54Insider Transaction0000921895-26-002318Aug 26, 2026 9:31 PM
610-QQuarterly & Annual Report0001104659-26-092682Aug 7, 2026 8:05 PM
78-KCurrent Report0001104659-26-091361Aug 6, 2026 11:00 PM
88-KCurrent Report0001104659-26-091092Aug 5, 2026 8:10 PM
94Insider Transaction0000921895-26-001914Jul 31, 2026 8:16 PM
104Insider Transaction0000921895-26-001855Jul 22, 2026 8:29 PM
11SCHEDULE 13GBeneficial Ownership Report0000354204-26-000835Jul 14, 2026 5:27 PM
124Insider Transaction0000921895-26-001775Jul 8, 2026 9:10 PM
134Insider Transaction0000921895-26-001754Jul 2, 2026 10:00 PM
143Insider Transaction0000921895-26-001753Jul 2, 2026 9:58 PM
15SCHEDULE 13GBeneficial Ownership Report0000921895-26-001752Jul 2, 2026 9:55 PM
164Insider Transaction0000925528-26-000064Jun 22, 2026 1:21 PM
174Insider Transaction0000925528-26-000063Jun 22, 2026 1:20 PM
184Insider Transaction0000925528-26-000062Jun 22, 2026 1:19 PM
194Insider Transaction0000925528-26-000061Jun 22, 2026 1:18 PM
204Insider Transaction0000925528-26-000060Jun 22, 2026 1:17 PM
214Insider Transaction0000925528-26-000059Jun 22, 2026 1:16 PM
228-KCurrent Report0001104659-26-073424Jun 12, 2026 4:05 PM
238-KCurrent Report0001104659-26-072668Jun 11, 2026 9:16 AM
24SCHEDULE 13GBeneficial Ownership Report0000921895-26-001565Jun 5, 2026 8:15 PM
258-KCurrent Report0001104659-26-067511May 28, 2026 8:15 PM
264Insider Transaction0000925528-26-000051May 21, 2026 3:31 PM
274Insider Transaction0000925528-26-000049May 21, 2026 1:02 PM
288-KCurrent Report0001104659-26-064492May 20, 2026 8:05 PM
298-KCurrent Report0001104659-26-063042May 18, 2026 8:35 AM
304Insider Transaction0000925528-26-000047May 15, 2026 5:25 PM
314Insider Transaction0000925528-26-000045May 15, 2026 5:21 PM
324Insider Transaction0000925528-26-000040May 15, 2026 4:40 PM
334Insider Transaction0000925528-26-000038May 15, 2026 4:39 PM
344Insider Transaction0000925528-26-000037May 15, 2026 4:38 PM
354Insider Transaction0000925528-26-000035May 15, 2026 4:36 PM
364Insider Transaction0000925528-26-000034May 15, 2026 4:36 PM
3710-QQuarterly & Annual Report0001104659-26-058632May 11, 2026 8:05 PM
3810-QQuarterly & Annual Report0001104659-26-058632May 11, 2026 8:05 PM
3910-QQuarterly & Annual Report0001104659-26-058632May 11, 2026 4:05 PM
408-KCurrent Report0001104659-26-056260May 6, 2026 8:16 PM
41ARSOthers0001104659-26-048231Apr 24, 2026 1:24 PM
42DEFA14AOthers0001104659-26-048228Apr 24, 2026 1:19 PM
43DEF 14AOthers0001104659-26-048223Apr 24, 2026 1:15 PM
444Insider Transaction0000925528-26-000018Apr 14, 2026 4:00 PM
454Insider Transaction0000925528-26-000018Apr 14, 2026 4:00 PM
464Insider Transaction0000925528-26-000018Apr 14, 2026 4:00 PM
473Insider Transaction0000925528-26-000017Apr 14, 2026 4:00 PM
483Insider Transaction0000925528-26-000017Apr 14, 2026 4:00 PM
493Insider Transaction0000925528-26-000017Apr 14, 2026 4:00 PM
504Insider Transaction0000925528-26-000016Apr 14, 2026 3:59 PM
...

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