HUDSON TECHNOLOGIES INC /NY — Director's Dealing 2005

Dec 13, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HUDSON TECHNOLOGIES INC /NY (HDSN)
CIK: 0000925528
Period of Report: 2005-12-09

Reporting Person: BUSCEMI JAMES R (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-12-09	Common Stock	M	4000	$2.375	Acquired	55023	Direct
2005-12-09	Common Stock	M	3905	$0.83	Acquired	55023	Direct
2005-12-09	Common Stock	M	125	$0.95	Acquired	55023	Direct
2005-12-09	Common Stock	S	10000	$2.6	Disposed	45023	Direct
2005-12-09	Common Stock	S	7030	$2.7	Disposed	37993	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-12-09	Employee Stock Option - Right to Buy	$2.375	M	4000	Disposed	2006-05-10	Common Stock (4000)	Direct
2005-12-09	Employee Stock Option - right to buy	$0.83	M	3905	Disposed	2014-09-17	Common Stock (3905)	Direct
2005-12-09	Employee Stock Option - right to buy	$0.95	M	125	Disposed	2014-10-01	Common Stock (125)	Direct

Footnotes

F1: Options vest quarterly in eight equal installments commencing 10/1/04. Options disposed of represent total amount vested as of transaction date.

F2: Options vest quarterly in eight equal installments commencing 1/1/05.

F3: Represents the vested balance as of transaction date.