Hartree Partners, LP - 24 Sep 2026 Form 4 Insider Report for HUDSON TECHNOLOGIES INC /NY (HDSN)

Reporting relationship: 10%+ Owner
Issuer ticker: HDSN
Reported as of: 24 Sep 2026
Net transaction value: +$604,446
SEC form: 4
Accepted by SEC: 28 Sep 2026, 16:25:20 UTC
Prior SEC filing: 23 Sep 2026
Source filing: View source filing
Reporting owner signature: Hartree Partners, LP, By: /s/ Christine Stevenson, Chief Compliance Officer

Filing notes and source

Key filing fact

Hartree Partners, LP filed Form 4 for HUDSON TECHNOLOGIES INC /NY (HDSN) on 28 Sep 2026.

Key facts

This page summarizes Hartree Partners, LP's Form 4 filing for HUDSON TECHNOLOGIES INC /NY (HDSN).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 28 Sep 2026, 16:25.

Change

Previous filing in this sequence was filed on 23 Sep 2026.
Current net transaction value: +$604,446.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001597857 Primary reporting owner

Hartree Partners, LP

Relationship: 10%+ Owner
Address: 1185 AVE OF THE AMERICAS, NEW YORK
Signature: Hartree Partners, LP, By: /s/ Christine Stevenson, Chief Compliance Officer
Signature date: 28 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

HDSN transaction

Common Stock, par value $0.01

Purchase

Transaction value: $604,446
Shares: +118,549
Change %: +2.3%
Price: $5.10
Shares after: 5,348,517
Date: 24 Sep 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, and this report shall not be deemed to be an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

Footnote F2

Represents a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.0750 to $5.1000, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.