NASDAQ · HDSN

Hudson Technologies, Inc.

Basic Materials · Chemicals - Specialty

$4.41

Up+$0.09 (+2.08%)

Updated Nov 5, 2026, 11:00 AM

SID Score

4.1/10

Composite research score

Smart Money

—

Institutional and insider signal

Market cap: 323.93M
P/E ratio: 14.27
Dividend yield: 0.00%
52-week range: $4.10 – $6.58
Volume: 769.91K
Avg. volume: 356.25K

Price performance · HDSN

HDSN price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Nov 4, 2026

Last close: $4.41
Period change: -14.37%
Period low: $4.23
Period high: $5.41

Daily close

View OHLC price history

HDSN OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Nov 4, 2026	$4.38	$4.5299	$4.35	$4.41	769.91K
Nov 3, 2026	$4.32	$4.3545	$4.25	$4.32	488.88K
Nov 2, 2026	$4.31	$4.3591	$4.17	$4.23	710.23K
Oct 30, 2026	$4.24	$4.37	$4.1041	$4.31	1.46M
Oct 29, 2026	$4.55	$4.59	$4.125	$4.42	3.55M
Oct 28, 2026	$5.28	$5.31	$5.115	$5.23	468.39K
Oct 27, 2026	$5.23	$5.29	$5.20	$5.26	317.75K
Oct 26, 2026	$5.38	$5.385	$5.23	$5.24	280.42K
Oct 23, 2026	$5.32	$5.42	$5.27	$5.37	425.83K
Oct 22, 2026	$5.37	$5.4599	$5.335	$5.36	404.53K
Oct 21, 2026	$5.32	$5.43	$5.28	$5.41	381.57K
Oct 20, 2026	$5.14	$5.34	$5.10	$5.305	628.72K
Oct 19, 2026	$5.10	$5.16	$5.01	$5.14	293.83K
Oct 16, 2026	$5.05	$5.13	$4.95	$5.01	401.32K
Oct 15, 2026	$5.06	$5.08	$5.00	$5.04	344.21K
Oct 14, 2026	$5.10	$5.11	$4.98	$5.06	559.38K
Oct 13, 2026	$5.16	$5.18	$5.11	$5.16	210.1K
Oct 12, 2026	$5.12	$5.16	$5.11	$5.12	174.93K
Oct 9, 2026	$5.17	$5.19	$5.10	$5.14	282.63K
Oct 8, 2026	$5.17	$5.20	$5.11	$5.17	292.5K
Oct 7, 2026	$5.30	$5.30	$5.105	$5.15	349.44K

Latest HDSN news

The latest Smart Investors Daily articles mentioning HDSN.

earningsOct 28, 2026

Hudson Technologies (HDSN) Misses Q3 Earnings Expectations

earningsAug 5, 2026

Hudson Technologies (HDSN) Misses Q2 Earnings Expectations

priceJul 7, 2026

Hudson Technologies, Inc. (HDSN) Surges 5.2% on Heavy Volume

Latest HDSN news

The latest Smart Investors Daily articles mentioning HDSN.

HDSN research

SEC Filings

Recent regulatory filings and source documents.

HDSN SEC filings
Filed	Form	Description	Accepted	Document
Nov 2, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 28, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 23, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 18, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 4, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Aug 26, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Aug 14, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 31, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 22, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 8, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 2, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 22, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 22, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 22, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 22, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 22, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 22, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Apr 14, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Apr 14, 2026	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Dec 9, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Nov 25, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Nov 18, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Sep 26, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Aug 1, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 20, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 20, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 20, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 20, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 20, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Mar 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Nov 12, 2024	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 21, 2024	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 21, 2024	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 21, 2024	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 21, 2024	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 21, 2024	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 18, 2024	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 14, 2024	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source

Filed

Form

Description

Accepted

Document

Nov 2, 2026