HUDSON TECHNOLOGIES INC /NY reports

Company location: Pearl River, NY
Fiscal year end: 31 December

HUDSON TECHNOLOGIES INC /NY has filed 1,183 SEC EDGAR filings since 15 May 1996

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SEC filing history

Showing 1-25 of 801 matching filings.

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1

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 22 Jun 2026
Reporting date: 17 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 22 Jun 2026
Reporting date: 17 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 22 Jun 2026
Reporting date: 17 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 22 Jun 2026
Reporting date: 17 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 22 Jun 2026
Reporting date: 17 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 22 Jun 2026
Reporting date: 17 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-13412

FORM 8-K

Filing date: 12 Jun 2026
Reporting date: 11 Jun 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-13412

FORM 8-K

Filing date: 11 Jun 2026
Reporting date: 10 Jun 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

SCHEDULE 13G File 005-48635

SCHEDULE 13G filing

Filing date: 05 Jun 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-13412

FORM 8-K

Filing date: 28 May 2026
Reporting date: 27 May 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4/A

AMENDED STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 21 May 2026
Reporting date: 13 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 21 May 2026
Reporting date: 19 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-13412

FORM 8-K

Filing date: 20 May 2026
Reporting date: 19 May 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-13412

FORM 8-K

Filing date: 18 May 2026
Reporting date: 18 May 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 15 May 2026
Reporting date: 14 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 15 May 2026
Reporting date: 14 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 15 May 2026
Reporting date: 14 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 15 May 2026
Reporting date: 13 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 15 May 2026
Reporting date: 13 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 15 May 2026
Reporting date: 14 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 15 May 2026
Reporting date: 13 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-13412

10-Q

Filing date: 11 May 2026
Reporting date: 31 Mar 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-13412

FORM 8-K

Filing date: 06 May 2026
Reporting date: 06 May 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

ARS File 001-13412

ARS

Filing date: 24 Apr 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-13412

DEFA14A

Filing date: 24 Apr 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

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