Eric A Prouty Hudson Technologies Inc (HDSN) insider trading activity

Eric A Prouty is Director of HUDSON TECHNOLOGIES INC . Currently has a direct ownership of 148,852 shares of HDSN, which is worth approximately $1.47 Million. The most recent transaction as insider was on Jul 31, 2025, when has been sold 3,713 shares (Common Stock) at a price of $9.39 per share, resulting in proceeds of $34,865. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 149K

4.81% 3M change

4.81% 12M change

Total Value Held $1.47 Million

Eric A Prouty Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jul 31 2025	SELL Payment of exercise price or tax liability	$34,865 $9.39 p/Share	3,713 Reduced 2.43%	148,852 Common Stock
Jul 31 2025	BUY Exercise of conversion of derivative security	$34,868 $7.35 p/Share	4,744 Added 3.02%	152,565 Common Stock
Jun 18 2025	BUY Grant, award, or other acquisition	-	3,182 Added 2.11%	147,821 Common Stock
Jun 14 2023	SELL Open market or private sale	$191,200 $9.56 p/Share	20,000 Reduced 12.34%	142,021 Common Stock
Jun 14 2023	BUY Grant, award, or other acquisition	-	2,618 Added 1.78%	144,639 Common Stock
Jun 02 2023	SELL Payment of exercise price or tax liability	$42,605 $9.21 p/Share	4,626 Reduced 2.78%	162,021 Common Stock
Jun 02 2023	BUY Exercise of conversion of derivative security	$42,608 $0.98 p/Share	43,478 Added 20.69%	166,647 Common Stock
May 09 2022	SELL Open market or private sale	$675,000 $9.0 p/Share	75,000 Reduced 37.85%	123,169 Common Stock
May 06 2022	SELL Payment of exercise price or tax liability	$49,599 $9.29 p/Share	5,339 Reduced 2.62%	198,169 Common Stock
May 06 2022	BUY Exercise of conversion of derivative security	$49,600 $0.62 p/Share	80,000 Added 28.22%	203,508 Common Stock
Aug 30 2021	SELL Payment of exercise price or tax liability	$46,384 $3.25 p/Share	14,272 Reduced 10.36%	123,508 Common Stock
Aug 30 2021	BUY Exercise of conversion of derivative security	$46,383 $1.09 p/Share	42,553 Added 23.6%	137,780 Common Stock
Jul 01 2021	BUY Grant, award, or other acquisition	-	7,059 Added 6.9%	95,227 Common Stock
Jun 02 2021	SELL Payment of exercise price or tax liability	$31,842 $3.0 p/Share	10,614 Reduced 10.74%	88,168 Common Stock
Jun 02 2021	BUY Exercise of conversion of derivative security	$31,842 $1.76 p/Share	18,092 Added 15.48%	98,782 Common Stock

EAP

Eric A Prouty

Director

Pearl River, NY

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