Fuel Tech, Inc. filed 2 current reports with the SEC under Item 5.02, which covers directors and officers leaving or being appointed, the latest on 2026-09-02. Between them they name 2 people, with 1 appointment and 2 departures. Each change below is quoted from the filing and linked to it.
Every change, newest first
Departing: Vincent J. Arnone, Chairman of the Board, effective 2026-08-27
(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.
Departing: Vincent J. Arnone, Chief Executive Officer, effective 2026-07-31
(b) Resignation of Chief Executive Officer and President Effective as of July 31, 2026 , Vincent J. Arnone notified Fuel Tech, Inc. (the "Company") of his decision to retire and resign from his positions as Chief Executive Officer and President of the Company, effective August 10, 2026.
Appointed: Ramesh Nuggihalli, Chief Executive Officer, effective 2026-08-10
(c) Appointment of Certain Officers On July 31, 2026, the Board of Directors (the "Board") of the Company appointed Ramesh Nuggihalli as Chief Executive Officer and President of the Company, effective August 10, 2026.
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Where this comes from
A public company must file a current report on Form 8-K with the SEC within four business days when a director leaves or is elected, or when its chief executive, chief financial, chief accounting or chief operating officer, or another named executive, departs or is appointed. That disclosure goes under Item 5.02 of the report.
Every change on this page is taken from one of those filings and quoted in the company's own words, with a link to the filing, so it can be checked at the source. Where a filing names the person, the role and the date a change takes effect, they are shown beside the quote. Where it does not, the quote stands on its own. A filing states what changed; it rarely states why, and neither does this page.