HUDSON TECHNOLOGIES INC /NY - HDSN

All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)? Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).

Files summary

Total files loaded: 23
Latest filed: Apr 14, 2026
Form Count
8-K 12
4 6
SCHEDULE 13G/A 2
SCHEDULE 13G 1
4/A 1
SCHEDULE 13D 1

Latest files

Filed Form Report period Accession SEC
Apr 14, 2026 4 Apr 10, 2026 0000925528-26-000016 View
Apr 14, 2026 4 Apr 10, 2026 0000925528-26-000018 View
Apr 13, 2026 8-K Apr 10, 2026 0001104659-26-042384 View
Apr 09, 2026 SCHEDULE 13G — 0000354204-26-000561 View
Mar 27, 2026 SCHEDULE 13G/A — 0000102909-26-001564 View
Mar 18, 2026 8-K Mar 13, 2026 0001104659-26-030906 View
Mar 04, 2026 8-K Mar 04, 2026 0001104659-26-023461 View
Feb 17, 2026 SCHEDULE 13G/A — 0002073679-26-000033 View
Feb 02, 2026 8-K Jan 30, 2026 0001104659-26-009003 View
Jan 30, 2026 8-K Jan 30, 2026 0001104659-26-008337 View
Jan 12, 2026 4 Jan 08, 2026 0000925528-26-000002 View
Dec 17, 2025 8-K Dec 17, 2025 0001104659-25-122053 View
Dec 15, 2025 4/A Dec 05, 2025 0001250706-25-000004 View
Dec 10, 2025 SCHEDULE 13D — 0000921895-25-003302 View
Dec 09, 2025 4 Dec 05, 2025 0001250706-25-000003 View
Dec 09, 2025 8-K Dec 09, 2025 0001104659-25-119656 View
Dec 01, 2025 8-K Nov 25, 2025 0001104659-25-117162 View
Nov 25, 2025 4 Nov 24, 2025 0000925528-25-000013 View
Nov 18, 2025 4 Nov 17, 2025 0000925528-25-000007 View
Nov 13, 2025 8-K Nov 13, 2025 0001104659-25-111455 View
Nov 05, 2025 8-K Nov 05, 2025 0001104659-25-107007 View
Nov 03, 2025 8-K Nov 03, 2025 0001104659-25-105559 View
Oct 22, 2025 8-K Oct 22, 2025 0001104659-25-101581 View