Fuel Tech to change board chair in Sept. 2026

Fuel Tech is transitioning its Board leadership, with independent director Sharon L. Jones becoming Chairman after Vincent J. Arnone steps down from the role.

Rhea-AI Filing Summary

Fuel Tech, Inc. (FTEK) announced that Vincent J. Arnone has decided to resign from his position as Chairman of the Board of Directors, effective September 15, 2026, while remaining a member of the Board. The company states that his decision is not due to any disagreement regarding operations, policies, or practices.

On August 27, 2026, the Board elected Sharon L. Jones, an existing independent director, to succeed Mr. Arnone as Chairman of the Board, effective September 16, 2026.

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.

Key Figures

Effective date of Chairman resignation: September 15, 2026 Effective date of new Chairman: September 16, 2026 Board decision date: August 27, 2026

3 metrics

Effective date of Chairman resignation September 15, 2026 Date when Vincent J. Arnone steps down as Chairman of the Board

Effective date of new Chairman September 16, 2026 Date when Sharon L. Jones becomes Chairman of the Board

Board decision date August 27, 2026 Date the Board elected Sharon L. Jones to succeed as Chairman

Key Terms

Chairman of the Board, independent member, Board of Directors

3 terms

Chairman of the Board financial

"resign from his position as Chairman of the Board of Directors"

Chairman of the board is the person who leads a company’s board of directors, setting meeting agendas, guiding discussions and ensuring the board supervises management’s strategy and risk decisions. Investors care because the chair’s leadership and style influence how well shareholder interests are protected, how quickly strategic choices are made, and the company’s overall accountability—like a team captain shaping group performance.

independent member financial

"the Board elected Sharon L. Jones, an existing independent member of the Board"

Board of Directors financial

"resign from his position as Chairman of the Board of Directors"

The Board of Directors is a group of people chosen by a company's owners to help make big decisions and oversee how the company is run. They act like a team of advisors or managers, making sure the company stays on track and meets its goals. Their choices can influence the company's success and how it grows.

FAQ

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

What Board leadership change did Fuel Tech, Inc. (FTEK) announce on August 27, 2026?

Fuel Tech, Inc. announced that Vincent J. Arnone will resign as Chairman of the Board effective September 15, 2026, and will remain a Board member. The Board elected Sharon L. Jones, an existing independent director, to become Chairman effective September 16, 2026.

Is Vincent J. Arnone leaving the Board of Fuel Tech, Inc. (FTEK)?

No. Vincent J. Arnone is resigning as Chairman of the Board effective September 15, 2026, but he will continue to serve as a member of the Board of Fuel Tech, Inc.

Did Fuel Tech, Inc. (FTEK) report any disagreement related to Vincent J. Arnone’s resignation as Chairman?

Fuel Tech, Inc. stated that Vincent J. Arnone’s decision to step down as Chairman is not the result of any disagreement with the company, its management, or the Board regarding operations, policies, or practices.

Who will serve as the new Chairman of the Board at Fuel Tech, Inc. (FTEK)?

The Board elected Sharon L. Jones, an existing independent member of the Board, to serve as Chairman of the Board, effective September 16, 2026, succeeding Vincent J. Arnone.

When does the Board leadership transition at Fuel Tech, Inc. (FTEK) take effect?

The transition occurs over two consecutive days: Vincent J. Arnone’s resignation as Chairman is effective September 15, 2026, and Sharon L. Jones becomes Chairman effective September 16, 2026.

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

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Available on EDGAR 09/02/2026 - 04:03 PM EDT Accepted by SEC EDGAR 09/02/2026 - 04:02 PM EDT Learn about SEC filing dates

false 0000846913 0000846913 2026-08-27 2026-08-27

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) August 27, 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 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

(b) Resignation of Chairman of the Board

Effective as of August 27, 2026, Vincent J. Arnone notified Fuel Tech, Inc. (the “Company”) of his decision to resign from his position as Chairman of the Board of Directors (the “Board”), effective on September 15, 2026. Mr. Arnone will continue to serve as a member of the Board. Mr. Arnone’s decision to step down as Chairman is not the result of any disagreement with the Company, its management, or the Board on any matter relating to the Company’s operations, policies, or practices.

(d) Election of Chairman of the Board

On August 27, 2026, the Board elected Sharon L. Jones, an existing independent member of the Board, to succeed Mr. Arnone as Chairman of the Board, effective September 16, 2026.

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: September 2, 2026		Vice President, General Counsel and Secretary

Filing Exhibits & Attachments

4 documents

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA 3.5 KB
• EX-101 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE 11.2 KB
• EX-101 XBRL TAXONOMY EXTENSION LABEL LINKBASE 15.0 KB
• EX-101 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE 11.3 KB