HUDSON TECHNOLOGIES INC /NY — Director's Dealing 2005

Sep 15, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HUDSON TECHNOLOGIES INC /NY (HDSN)
CIK: 0000925528
Period of Report: 2005-09-13

Reporting Person: BUSCEMI JAMES R (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-09-13	Common Stock	M	15000	$1.14	Acquired	77837	Direct
2005-09-13	Common Stock	M	18750	$1.13	Acquired	77837	Direct
2005-09-13	Common Stock	S	15000	$2.15	Disposed	62837	Direct
2005-09-13	Common Stock	S	18750	$2.2	Disposed	44087	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-09-13	Employee Stock Option - Right to Buy	$1.14	M	15000	Disposed	2008-04-07	Common Stock (15000)	Direct
2005-09-13	Employee Stock Option - Right to Buy	$1.13	M	18750	Disposed	2014-03-05	Common Stock (25000)	Direct

Footnotes

F1: Options vest quarterly in eight equal installment commencing 7/1/03, and will fully vest 01/01/06. As of 7/1/05, 18,750 options had vested,

F2: Represents 3,125 options that vest 10/1/05 and 3,125 options that vest 1/1/06.