HUDSON TECHNOLOGIES INC /NY — Director's Dealing 2011

May 12, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HUDSON TECHNOLOGIES INC /NY (HDSN)
CIK: 0000925528
Period of Report: 2011-05-10

Reporting Person: MORCH OTTO C (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-10	Common Stock	S	300	$1.97	Disposed	21000	Direct
2011-05-10	Common Stock	S	1600	$1.94	Disposed	19400	Direct
2011-05-11	Common Stock	S	100	$1.9	Disposed	19300	Direct
2011-05-12	Common Stock	S	1200	$1.91	Disposed	18100	Direct
2011-05-12	Common Stock	S	100	$1.93	Disposed	18000	Direct
2011-05-12	Common Stock	S	400	$1.92	Disposed	17600	Direct
2011-05-12	Common Stock	S	500	$1.924	Disposed	17100	Direct

Footnotes

F1: Excludes 87,500 shares that may be purchased pursuant to stock options