Hudson Technologies discloses immediate resignation of board member

Hudson Technologies, Inc. reported that on December 9, 2025, Brian F. Coleman resigned, effective immediately, from his position as a member of the Company’s Board of Directors.

Rhea-AI Filing Summary

Hudson Technologies, Inc. reported that on December 9, 2025, Brian F. Coleman resigned, effective immediately, from his position as a member of the Company’s Board of Directors. The Company stated that Mr. Coleman’s resignation was not the result of any disagreement with Hudson Technologies.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Hudson Technologies (HDSN) disclose in this current report?

Hudson Technologies disclosed that Brian F. Coleman resigned, effective immediately, from his position as a member of the Board of Directors on December 9, 2025.

Was Brian F. Coleman’s resignation from Hudson Technologies’ board due to a disagreement?

No. The Company stated that Mr. Coleman’s resignation was not the result of any disagreement with Hudson Technologies.

What position did Brian F. Coleman hold at Hudson Technologies (HDSN) before resigning?

Before resigning, Brian F. Coleman served as a member of the Board of Directors of Hudson Technologies, Inc.

When did Brian F. Coleman’s resignation from Hudson Technologies’ board become effective?

His resignation from the Board of Directors became effective immediately on December 9, 2025.

Who signed the Hudson Technologies report related to the board resignation?

The report was signed on behalf of Hudson Technologies, Inc. by Brian J. Bertaux, who is the Company’s Chief Financial Officer & Secretary.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Understanding 8-K Material Events →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 12/09/2025 - 04:05 PM Learn about SEC filing dates

false 0000925528 HUDSON TECHNOLOGIES INC /NY 0000925528 2025-12-09 2025-12-09 iso4217:USD xbrli:shares iso4217:USD xbrli:shares

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)   December 9, 2025

Hudson Technologies, Inc.

(Exact Name of Registrant as Specified in Charter)

New York

(State or Other Jurisdiction of Incorporation)

1-13412		13-3641539
(Commission File Number)		(IRS Employer Identification No.)

300 Tice Boulevard, Suite 290, Woodcliff Lake, New Jersey		07677
(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 (see General 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 class	Trading Symbols(s)	Name of each exchange on which registered
Common Stock, $0.01 par value	HDSN	Nasdaq 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 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

On December 9, 2025, Brian F. Coleman resigned, effective immediately, from his position as a member of the Board of Directors of Hudson Technologies, Inc. (the “Company”). Mr. Coleman’s resignation was not the result of any disagreement with the Company as referenced in Item 5.02(a) of Form 8-K.

2

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: December 9, 2025

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

3