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Who

Eric A. Prouty

Director

Company insider

Files Form 4 as: Director, Hudson Technologies; Director, Aqua Metals.

In numbers

Trades disclosed
54
Buys
7
Sells
2
Bought
$111K
Sold
$866K
Companies
2
Companies where not an officer
2
First trade
1 Oct 2014
Last trade
17 Jun 2026
Last filed
22 Jun 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
HDSN Hudson TechnologiesDirector · Distributors & Wholesale · last 17 Jun 20265 buys · 2 sells
AQMS Aqua MetalsDirector · Steel & Metals Processing · last 17 Jan 20192 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
01Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
17 Jun 2026filed 22 Jun 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Code A—4,440 at $0.00filing
17 Jun 2026filed 22 Jun 2026HDSN Hudson Technologiesoption or derivative · Distributors & WholesaleSEC FORM 4 Code A—21,186 at $0.00filing
17 Jun 2026filed 22 Jun 2026HDSN Hudson Technologiesoption or derivative · Distributors & WholesaleSEC FORM 4 Code A—21,186 at $0.00filing
17 Jun 2026filed 22 Jun 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Code A—4,440 at $0.00filing
13 May 2026filed 15 May 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$24K5,000 at $4.84filing
13 May 2026filed 15 May 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$24K5,000 at $4.84filing
31 Jul 2025filed 1 Aug 2025HDSN Hudson Technologiesoption or derivative · Distributors & WholesaleSEC FORM 4 Code M—4,744 at $0.00filing
31 Jul 2025filed 1 Aug 2025HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Code M$35K4,744 at $7.35filing
31 Jul 2025filed 1 Aug 2025HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Code F$35K3,713 at $9.39filing
18 Jun 2025filed 20 Jun 2025HDSN Hudson Technologiesoption or derivative · Distributors & WholesaleSEC FORM 4 Code A—13,698 at $0.00filing
18 Jun 2025filed 20 Jun 2025HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Code A—3,182 at $0.00filing
19 Jun 2024filed 21 Jun 2024HDSN Hudson Technologiesoption or derivative · Distributors & WholesaleSEC FORM 4 Code A—21,739 at $0.00filing
14 Jun 2023filed 16 Jun 2023HDSN Hudson Technologiesoption or derivative · Distributors & WholesaleSEC FORM 4 Code A—11,737 at $0.00filing
14 Jun 2023filed 16 Jun 2023HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Code A—2,618 at $0.00filing
14 Jun 2023filed 15 Jun 2023HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Sold$191K20,000 at $9.56filing
2 Jun 2023filed 6 Jun 2023HDSN Hudson Technologiesoption or derivative · Distributors & WholesaleSEC FORM 4 Code M—43,478 at $0.00filing
2 Jun 2023filed 6 Jun 2023HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Code M$43K43,478 at $0.98filing
2 Jun 2023filed 6 Jun 2023HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Code F$43K4,626 at $9.21filing
30 Sep 2022filed 4 Oct 2022HDSN Hudson Technologiesoption or derivative · Distributors & WholesaleSEC FORM 4 Code A—4,744 at $0.00filing
9 Jun 2022filed 13 Jun 2022HDSN Hudson Technologiesoption or derivative · Distributors & WholesaleSEC FORM 4 Code A—2,726 at $0.00filing

Sectors

Industrials7
Materials2

Buys in green, sells in red, by the company’s sector.

Related people

Hartree Partners, LP10% owner · 10% owner at Hudson Technologies Inc /ny, filing Form 4 there in the last year
Alan SheriffDirector · Director at Hudson Technologies Inc /ny, filing Form 4 there in the last year
Loan Nguyen MansyDirector · Director at Hudson Technologies Inc /ny, filing Form 4 there in the last year
Jeffrey R. FeelerDirector · Director at Hudson Technologies Inc /ny, filing Form 4 there in the last year
Richard ParrilloDirector · Director at Hudson Technologies Inc /ny, filing Form 4 there in the last year