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HUDSON TECHNOLOGIES INC /NY

For the period ended Mar 13, 2026. Filed Mar 18, 2026.

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About this filing

A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Mar 13, 2026 · Filed Mar 18, 2026

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HDSN$4.18+2.2%Stored close · as of Nov 6, 2026
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

**PURSUANT TO SECTION 13 OR 15(**d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported)March 13, 2026

Hudson Technologies, Inc.

(Exact Name of Registrant as Specified in Charter)

New York

(State or Other Jurisdiction of Incorporation)

1-1341213-3641539
(Commission File Number)(IRS Employer Identification No.)
300 Tice Boulevard, Suite 290, Woodcliff Lake, New Jersey07677
(Address of Principal Executive Offices)(Zip Code)

(845) 735-6000

(Registrant's Telephone Number, Including Area Code)

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (seeGeneral Instruction A.2. below):

¨Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
¨Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
¨Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
¨Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbols(s)Name of each exchange on which registered
Common Stock, $0.01 par valueHDSNNasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.¨

Item 5.02Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

On March 13, 2026, Kathleen L. Houghton resigned from her position as Senior Vice President – Sales & Marketing, and from her position as a member of the Board of Directors, of Hudson Technologies, Inc. (the “Company”). Ms. Houghton’s resignation from the Board of Directors was not the result of any disagreement with the Company as referenced in Item 5.02(a) of Form 8-K.

Item 8.01Other Events.

On March 18, 2026, the Company issued a press release announcing certain changes to its management organization. A copy of the press release is filed herewith as Exhibit 99.1.

Item 9.01Financial Statements and Exhibits.
(d)Exhibits
Exhibit 99.1Press Release issued March 18, 2026
Exhibit 104Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: March 18, 2026

HUDSON TECHNOLOGIES, INC.
By:/s/ Brian J. Bertaux
Name:Brian J. Bertaux
Title:Chief Financial Officer & Secretary
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