Hudson Technologies (HDSN) CEO receives new 216K option grant

Rhea-AI Filing Summary

Hudson Technologies Inc. (HDSN) reported a stock option award to its President and CEO, who also serves as a director. On 11/24/2025, the executive received a stock option for 216,309 shares of common stock at an exercise price of $6.7 per share. The option vests 50% on the first anniversary of the grant date and 50% on the second anniversary, and expires on 11/24/2030. Following this transaction, the option is held as a direct ownership position.

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

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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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Gaglione Kenneth

(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
X	Officer (give title below)		Other (specify below)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
11/24/2025

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

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 Option	$6.7	11/24/2025		A		216,309		(1)	11/24/2030	Common Stock	216,309	$0	216,309	D

Explanation of Responses:

1. Option vests 50% on first anniversary of date of grant and 50% on second anniversary of date of grant.

	/s/ Kenneth Gaglione	11/25/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction was reported for Hudson Technologies Inc. (HDSN)?

The filing reports a stock option grant to the company’s President and CEO, who is also a director, involving 216,309 stock options.

What is the exercise price of the new Hudson Technologies (HDSN) stock options?

The stock options granted to the President and CEO have an exercise price of $6.7 per share.

How many Hudson Technologies (HDSN) shares underlie the reported stock option grant?

The stock option covers 216,309 shares of Hudson Technologies common stock.

What is the vesting schedule for the Hudson Technologies CEO stock option grant?

The option vests 50% on the first anniversary of the grant date and 50% on the second anniversary of the grant date.

When do the reported Hudson Technologies (HDSN) stock options expire?

The stock options expire on 11/24/2030, as disclosed in the filing.

Is the Hudson Technologies CEO’s stock option ownership direct or indirect?

The filing states that the 216,309 stock options are held with direct ownership.