HUDSON TECHNOLOGIES INC /NY — Director's Dealing 2017

Nov 20, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HUDSON TECHNOLOGIES INC /NY (HDSN)
CIK: 0000925528
Period of Report: 2017-11-17

Reporting Person: MANDRACCHIA STEPHEN P (VP Legal & Regulatory)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-09-11	Common Stock	G	5000	—	Disposed	1552073	Indirect
2017-11-17	Common Stock	M	125000	$0.85	Acquired	1552073	Indirect
2017-11-17	Common Stock	F	48592	$5.76	Disposed	1502481	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-11-17	Stock Option	$0.85	M	125000	Disposed	2017-11-20	Common Stock (125000)	Direct

Footnotes

F1: Includes 333,000 shares which may be purchased pursuant to stock options. Also includes 766,273 shares held by Spouse and 9,800 shares held by Reporting Person's children

F2: Includes 208,000 which may be purchased pursuant to stock options. Also includes 841,681 shares held by Reporting Person's Spouse and 9,800 shares held by Reporting Person's children.

F3: No shares sold on the Open Market. Pursuant to provisions of the Company's Stock Incentive Plan, shares from the option exercise were applied by the Company to cover the exercise price and the taxes due upon the exercise of the options.

F4: Closing Stock Price on November 17, 2017.