Hartree discloses 4.2M HDSN shares on Form 3

Hartree Partners, LP filed an initial ownership report for Hudson Technologies Inc. (HDSN), stating it holds 4,207,100 shares of common stock.

Rhea-AI Filing Summary

Hartree Partners, LP filed an initial ownership report for Hudson Technologies Inc. (HDSN), stating it holds 4,207,100 shares of common stock. This filing reflects that Hartree is a more than ten percent owner. The footnote explains Hartree disclaims beneficial ownership beyond its economic interest in these securities.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Hartree Partners, LP

Role 10% Owner

Type	Security	Shares	Price	Value
holding	Common Stock, par value $0.01	--	--	--

Holdings After Transaction: Common Stock, par value $0.01 — 4,207,100 shares (Direct)

Footnotes (1)

1. 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.

Key Figures

Common stock holdings: 4,207,100 shares

1 metrics

Common stock holdings 4,207,100 shares Shares of Hudson Technologies common stock held after reported position

Key Terms

beneficial ownership, pecuniary interest, Section 16

3 terms

beneficial ownership financial

"The Reporting Person disclaims beneficial ownership of the securities reported herein"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

pecuniary interest financial

"except to the extent of its pecuniary interest therein"

Section 16 regulatory

"for purposes of Section 16 or for any other purpose"

Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Hartree Partners, LP report in its Form 3 for HDSN?

Hartree Partners, LP reports ownership of 4,207,100 shares of Hudson Technologies common stock. This Form 3 is an initial statement of holdings, indicating Hartree is a significant, more than ten percent owner of the company’s equity as of the reported date.

Is Hartree Partners, LP a director or officer of Hudson Technologies (HDSN)?

Hartree Partners, LP is not a director or officer of Hudson Technologies. It is identified solely as a more than ten percent owner, which triggers Section 16 reporting obligations and requires filing this Form 3 to disclose its common stock position.

How many Hudson Technologies (HDSN) shares does Hartree hold after the reported event?

Hartree Partners, LP reports holding 4,207,100 shares of Hudson Technologies common stock following the reported position. The Form 3 does not describe a new purchase or sale, but instead records Hartree’s existing ownership level for regulatory disclosure purposes.

What does Hartree’s beneficial ownership disclaimer mean for HDSN investors?

Hartree states it disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest. This means it does not concede full beneficial ownership for Section 16 or other purposes beyond its direct economic stake in the HDSN shares.

Does this HDSN Form 3 show any insider buying or selling activity?

The Form 3 for Hartree Partners, LP does not show insider buying or selling. It lists a common stock holding of 4,207,100 shares with a transaction type of “holding,” indicating a position disclosure rather than a new market transaction in Hudson Technologies stock.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/02/2026 - 05:58 PM EDT Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Hartree Partners, LP

(Last) (First) (Middle)

1185 AVE OF THE AMERICAS

(Street)

NEW YORK NEW YORK 10036

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
06/30/2026

3. Issuer Name and Ticker or Trading Symbol
HUDSON TECHNOLOGIES INC /NY [ HDSN ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, par value $0.01(1)	4,207,100	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

	Hartree Partners, LP, By: /s/ Christine Stevenson, Chief Compliance Officer	07/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)