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

Role
President and CEO, Director
Signature
/s/ Kenneth Gaglione
Issuer symbol
HDSN
Transactions as of
24 Nov 2025
Net transactions value
$0
Form type
4
Filing time
25 Nov 2025, 16:23:42 UTC
Previous filing
14 Sep 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 25 Nov 2025 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 +216,309 $0.000000 216,309 24 Nov 2025 Common Stock 216,309 $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.