Kenneth Gaglione - Nov 24, 2025 Form 4 Insider Report for HUDSON TECHNOLOGIES INC /NY (HDSN)

Role
President and CEO, Director
Signature
/s/ Kenneth Gaglione
Stock symbol
HDSN
Transactions as of
Nov 24, 2025
Transactions value $
$0
Form type
4
Date filed
11/25/2025, 04:23 PM
Previous filing
Sep 14, 2023
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Gaglione Kenneth President and CEO, Director C/O HUDSON TECHNOLOGIES, INC., 300 TICE BOULEVARD, SUITE 290, WOODCLIFF LAKE /s/ Kenneth Gaglione 2025-11-25 0001824089

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction HDSN Stock Option Award $0 +216K $0.00 216K Nov 24, 2025 Common Stock 216K $6.70 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Option vests 50% on first anniversary of date of grant and 50% on second anniversary of date of grant.