[Form 4] HUDSON TECHNOLOGIES INC /NY Insider Trading Activity

Rhea-AI Filing Summary

Vincent P. Abbatecola, a director of Hudson Technologies, Inc. (HDSN), reported transactions in the company's common stock on 09/24/2025. He exercised 4,744 stock options at an exercise price of $7.35 (transaction code M) resulting in acquisition of 4,744 shares. He also reported a separately coded disposition of 3,519 shares at $9.91. After these transactions he beneficially owned 166,248 shares.

Insights

Corporate Governance Expert

TL;DR: Routine insider option exercise and partial stock sale by a director; typical stewardship activity, no material governance signal.

The Form 4 shows a director exercised options and sold a portion of shares on the same date. This pattern is common for insiders converting vested equity into shares and monetizing a subset. The report indicates direct ownership and there are no related-party transfers, new grants, or unusual derivative structures disclosed. The filing is procedural and routine.

Securities Analyst

TL;DR: Insider exercised 4,744 options at $7.35 and sold 3,519 shares at $9.91; limited market-impact information.

The transaction sizes are modest relative to typical market caps and the filing lists final beneficial ownership of 166,248 shares. No additional compensatory grants or expiration extensions are reported. From a securities perspective, this is an ordinary Section 16 disclosure without evidence of material change to control or capital structure.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

ABBATECOLA VINCENT P

(Last) (First) (Middle)

C/O HUDSON TECHNOLOGIES, INC.

300 TICE BOULEVARD, SUITE 290

(Street)

WOODCLIFF LAKE NJ 07677

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
09/24/2025

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

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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/24/2025		M		4,744	A	$7.35	169,767	D
Common Stock	09/24/2025		F		3,519	D	$9.91	166,248	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options	$7.35	09/24/2025		M			4,744	09/30/2022	09/30/2025	Common Stock	4,744	$0	0	D

Explanation of Responses:

	/s/ Vincent P. Abbatecola	09/26/2025
	** 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 4 (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.

FAQ

What insider transactions did HDSN director Vincent P. Abbatecola report on Form 4?

He exercised 4,744 stock options at an exercise price of $7.35 and acquired 4,744 shares (code M), and separately disposed of 3,519 shares at $9.91 (code F) on 09/24/2025.

How many Hudson Technologies (HDSN) shares does Vincent P. Abbatecola beneficially own after the transactions?

The Form 4 reports beneficial ownership of 166,248 shares following the reported transactions.

What do the transaction codes M and F mean on this Form 4 for HDSN?

The form uses code M to report an exercise of options resulting in acquisition of shares and code F to report a sale or disposition of shares as listed on the form.

When were the reported Hudson Technologies transactions executed?

All reported transactions occurred on 09/24/2025, and the Form 4 was signed on 09/26/2025.