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Who

Hartree Partners, LP

10% owner

Company insider

Files Form 4 as: 10% owner, Hudson Technologies; 10% owner, DD3 Acquisition Corp. II; Insider, Sprague Resources LP.

In numbers

Trades disclosed
36
Buys
17
Sells
1
Bought
$14.4M
Sold
$15.0M
Companies
3
Companies where not an officer
3
First trade
4 Feb 2021
Last trade
24 Sep 2026
Last filed
28 Sep 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
HDSN Hudson Technologies10% owner · Distributors & Wholesale · last 24 Sep 202616 buys · 0 sells
DD3 Acquisition Corp. II10% owner · last 15 Nov 20211 buy · 1 sell
Sprague Resources LPlast 31 Oct 20210 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
05Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
24 Sep 2026filed 28 Sep 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$604K118,549 at $5.10filing
24 Sep 2026filed 28 Sep 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$605K118,549 at $5.10filing
23 Sep 2026filed 23 Sep 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$56K11,013 at $5.10filing
23 Sep 2026filed 23 Sep 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$56K11,013 at $5.10filing
21 Sep 2026filed 23 Sep 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$13K2,502 at $5.10filing
21 Sep 2026filed 23 Sep 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$13K2,502 at $5.10filing
16 Sep 2026filed 18 Sep 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$57K11,136 at $5.10filing
16 Sep 2026filed 18 Sep 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$57K11,136 at $5.10filing
2 Sep 2026filed 4 Sep 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$27K5,317 at $5.10filing
2 Sep 2026filed 4 Sep 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$27K5,317 at $5.10filing
25 Aug 2026filed 26 Aug 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$501K91,166 at $5.50filing
25 Aug 2026filed 26 Aug 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$501K91,166 at $5.50filing
24 Aug 2026filed 26 Aug 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$52K9,446 at $5.50filing
24 Aug 2026filed 26 Aug 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$52K9,446 at $5.50filing
12 Aug 2026filed 14 Aug 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$29K5,198 at $5.50filing
12 Aug 2026filed 14 Aug 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$29K5,198 at $5.50filing
29 Jul 2026filed 31 Jul 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$312K52,104 at $5.99filing
29 Jul 2026filed 31 Jul 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$312K52,104 at $5.99filing
21 Jul 2026filed 22 Jul 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$286K47,708 at $5.99filing
21 Jul 2026filed 22 Jul 2026HDSN Hudson TechnologiesDistributors & WholesaleSEC FORM 4 Bought$286K47,708 at $5.99filing

Sectors

Industrials16
Not placed2

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

Related people

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
Eric A. ProutyDirector · 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