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Form 8-K

sec.gov

8-K — FUEL TECH, INC.

Accession: 0001437749-26-019829

Filed: 2026-06-08

Period: 2026-06-04

CIK: 0000846913

SIC: 3564 (INDUSTRIAL & COMMERCIAL FANS & BLOWERS & AIR PURIFYING EQUIP)

Item: Submission of Matters to a Vote of Security Holders

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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) June 4, 2026

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 Capital Market

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))

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 5.07. Submission of Matters to a Vote of Security Holders.

On June 4, 2026, Fuel Tech, Inc., a Delaware corporation (the “Company”) held its Annual Meeting of Stockholders, at which the stockholders voted upon: (a) the election of Vincent J. Arnone, Douglas G. Bailey, Sharon L. Jones, and Dennis L. Zeitler to the Company’s Board of Directors until the Company’s next Annual Meeting of Stockholders or until they resign or their respective successors are duly elected and qualified; (b) the ratification of the appointment of RSM US LLP as the Company’s independent registered public accounting firm; and (c) an advisory vote on executive compensation.

The stockholders elected all four directors, approved the ratification of the appointment of RSM US LLP as the Company’s independent registered public accounting firm and approved, on an advisory, non-binding basis, the Company’s executive compensation.

The number of votes cast for or against (or withheld) and the number of abstentions and broker non-votes with respect to each matter voted upon, as applicable, are set forth below.

Proposal 1: Election of Directors

Director

For

Withheld

Broker Non-Votes

Vincent J. Arnone

10,736,369

2,002,423

7,278,620

Douglas G. Bailey

9,855,836

2,879,056

7,278,620

Sharon L. Jones

12,340,114

397,103

7,278,620

Dennis L. Zeitler

12,323,119

411,581

7,278,620

Proposal 2: Ratification of RSM US LLP as the Company’s independent registered public accounting firm

For

Against

Abstain

19,552,321

411,581

38,542

Proposal 3: Advisory vote on executive compensation

For

Against

Abstain

Broker Non-Votes

11,949,173

637,014

187,055

7,278,620

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)

By:

/s/ Bradley W. Johnson

Bradley W. Johnson

Date: June 8, 2026

Vice President, General Counsel and Secretary

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Document And Entity Information

Jun. 04, 2026

Document Information [Line Items]

Entity, Registrant Name

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Document, Type

8-K

Document, Period End Date

Jun. 04, 2026

Entity, Incorporation, State or Country Code

DE

Entity, File Number

001-33059

Entity, Tax Identification Number

20-5657551

Entity, Address, Address Line One

27601 Bella Vista Parkway

Entity, Address, City or Town

Warrenville

Entity, Address, State or Province

IL

Entity, Address, Postal Zip Code

60555-1617

City Area Code

630

Local Phone Number

845-4500

Title of 12(b) Security

Common Stock

Trading Symbol

FTEK

Security Exchange Name

NASDAQ

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