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Fuel Tech, Inc. Form 4 Filings

FTEK NASDAQ

Every Form 4 that Fuel Tech, Inc. (FTEK) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.

A Form 4 covers the transactions officers, directors and large holders report, so if you follow FTEK and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full FTEK filings page.

Rhea-AI Summary

FUEL TECH, INC. (FTEK) President & CEO Nuggihalli Ramesh purchased common stock in an open-market transaction on September 1, 2026. He bought 1,470.529 shares at a weighted average price of $1.36 per share, and now holds 1,470.529 shares directly. No Rule 10b5-1 trading plan is reported. The price reflects multiple trades aggregated into a single average, as described in the footnote.

Rhea-AI Summary

BAILEY DOUGLAS G reported acquisition or exercise transactions in this Form 4 filing.

FUEL TECH, INC. director Douglas G. Bailey received a grant of 15,000 Restricted Stock Units (RSUs), each representing a contingent right to one share of Fuel Tech common stock. The grant was approved by the non-employee directors of the Compensation Committee on June 3, 2026.

The RSUs vest on the one-year anniversary of the June 4, 2026 transaction date, meaning Bailey must remain eligible through that period to receive the underlying 15,000 common shares. Following this grant, he holds 15,000 RSUs directly as reported in this filing.

Rhea-AI Summary

Jones Sharon L reported acquisition or exercise transactions in this Form 4 filing.

Fuel Tech, Inc. director Sharon L. Jones received a grant of 15,000 Restricted Stock Units as equity compensation. Each unit represents a contingent right to receive one share of Fuel Tech common stock. The RSUs were approved by non-employee directors on June 3, 2026 and vest one year after the June 4, 2026 grant date.

Rhea-AI Summary

ZEITLER DENNIS L reported acquisition or exercise transactions in this Form 4 filing.

Fuel Tech, Inc. director Dennis L. Zeitler received a grant of 15,000 Restricted Stock Units (RSUs). Each RSU represents the right to receive one share of Fuel Tech common stock, giving him 15,000 underlying shares tied to this award.

The RSUs were approved by the non-employee directors of the Compensation Committee on June 3, 2026 and were granted effective June 4, 2026. They vest in full on the one-year anniversary of the grant date, providing stock-based compensation that does not require any cash payment by the director.

Rhea-AI Summary

Albrecht Ellen T reported acquisition or exercise transactions in this Form 4 filing.

Fuel Tech, Inc. reported that Chief Financial Officer Ellen T. Albrecht received a grant of 8,350 Restricted Stock Units on March 24, 2026 as equity compensation. Each RSU represents one share of common stock. The RSUs vest in three equal annual installments on the first, second, and third anniversaries of the grant date, with shares delivered after each vesting date subject to any deferral elections.

Rhea-AI Summary

FUEL TECH, INC. President and CEO Vincent J. Arnone received a grant of 20,850 Restricted Stock Units on March 24, 2026. Each unit represents a contingent right to receive one share of FTEK common stock.

The RSUs vest in three equal installments: one-third on each of the first, second, and third anniversaries of the grant date. Following this award, Arnone holds 20,850 RSUs directly, which will convert into common shares as they vest and are delivered under the company’s RSU Award Agreement.

Rhea-AI Summary

Cummings William E JR reported acquisition or exercise transactions in this Form 4 filing.

FUEL TECH, INC. reported that Senior Vice President of Sales William E. Cummings Jr. received a grant of 6,250 Restricted Stock Units as equity compensation. Each unit represents a contingent right to receive one share of FTEK common stock.

The 6,250 RSUs vest in three equal installments on the first, second, and third anniversaries of the grant date, subject to the company’s RSU award agreement. Following this grant, Cummings holds 6,250 RSUs directly, with shares to be delivered after each vesting date.

Rhea-AI Summary

FUEL TECH, INC. President and CEO Vincent J. Arnone reported an open-market purchase of 10,000 shares of common stock at a price of $1.24 per share. After this transaction, he directly owns 549,513 shares of Fuel Tech common stock.