Fuel Tech (NASDAQ: FTEK) files update on Q3 2025 results release

Rhea-AI Filing Summary

Fuel Tech, Inc. filed a current report to notify investors that it has released its financial results for the fiscal quarter ended September 30, 2025. On November 4, 2025, the company issued a press release announcing these quarterly results, which is furnished as Exhibit 99.1.

The report states that no financial statements of acquired businesses or pro forma financial information are included, and it lists the press release and the cover page interactive data file as the primary exhibits.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

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United States

Securities And Exchange Commission

Washington, D.C. 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) November 4, 2025

FUEL TECH, INC.

(Exact name of registrant as specified in its charter)

Delaware (State or other jurisdiction of incorporation) 001-33059 (Commission File Number) 20-5657551 (IRS Employer Identification No.)

Fuel Tech, Inc.

27601 Bella Vista Parkway

Warrenville, IL 60555-1617

630-845-4500

(Address and telephone number of principal executive offices)

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

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock	FTEK	NASDAQ

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 provision:

☐ 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))

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 2.02. RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On November 4, 2025, Fuel Tech, Inc. ("Fuel Tech” or the “Registrant”) issued a press release which contained, among other things, an announcement of Fuel Tech's financial results for the fiscal quarter ended September 30, 2025. A copy of the Press Release is furnished as Exhibit 99.1 to this Form 8-K.

ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS.

(a) Financial Statements of Businesses Acquired.

None.

(b) Pro Forma Financial Information.

None.

(d) Exhibits.

Exhibit No.                   Description

99.1 Release of Fuel Tech, Inc. dated November 4, 2025.

104  Cover 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.

	Fuel Tech, Inc.
	(Registrant)
Date: November 4, 2025
	By:	/s/ Ellen T. Albrecht
		Ellen T. Albrecht
		Vice President, Chief Financial Officer       and Treasurer

FAQ

What did Fuel Tech (FTEK) report in this Form 8-K?

Fuel Tech, Inc. reported that it issued a press release on November 4, 2025 announcing its financial results for the fiscal quarter ended September 30, 2025, and furnished that release as Exhibit 99.1.

Which period do the latest Fuel Tech (FTEK) results cover?

The reported financial results cover Fuel Tech, Inc.'s fiscal quarter ended September 30, 2025.

When did Fuel Tech, Inc. release its Q3 2025 financial results?

Fuel Tech, Inc. released its financial results for the quarter ended September 30, 2025 via a press release dated November 4, 2025.

Where can investors find the detailed Q3 2025 results for Fuel Tech (FTEK)?

The detailed quarterly results are contained in the press release furnished as Exhibit 99.1 to the report.

Does this Fuel Tech 8-K include pro forma financial information?

No. The report states that there is no pro forma financial information included.

What exhibits are attached to this Fuel Tech (FTEK) Form 8-K?

The report includes Exhibit 99.1, a press release dated November 4, 2025, and Exhibit 104, the cover page interactive data file embedded within the Inline XBRL document.