How many insider trades does FilingIQ track for FTEK?

FilingIQ tracks 113 Form 4 insider transactions for FTEK (FUEL TECH, INC.), covering filings from Mar 9, 2015 onwards. 4 of those were filed in the last 90 days.

Are FTEK insiders net buyers or net sellers?

Across the full Form 4 history for FTEK, 34 transactions (30%) were open-market purchases and 17 (15%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does FTEK insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is FTEK in?

FUEL TECH, INC. (FTEK) is classified in the Industrials sector, specifically Pollution & Treatment Controls, with a current market capitalisation of $41.64M.

FTEK insider trading

NasdaqCM Industrials

FUEL TECH, INC. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

113

Last 90 days

Buys / sells

30% / 15%

Market cap

$41.64M

About FUEL TECH, INC.

Fuel Tech, Inc. engages in the development, commercialization, and application of technologies for air pollution control, process optimization, water treatment. and advanced engineering services to utility and industrial customers. It operates through two segments, Air Pollution Control Technology and FUEL CHEM Technology. The Air Pollution Control Technology segment offers technologies to reduce nitrogen oxide (NOx) emissions in flue gas from boilers, incinerators, furnaces, and other stationary combustion sources; NOxOUT and HERT SNCR Selective Non-Catalytic Reduction systems; advanced selective catalytic reduction systems comprising Ammonia Injection Grid, and GSG Graduated Straightening Grid systems. I-NOx integrated NOx reduction systems; ESP processes and services; ULTRA technology; and flue gas conditioning systems. The FUEL CHEM Technology segment provides programs to improve the efficiency, reliability, fuel flexibility, boiler heat rate, and environmental status of combustion units for the control of slagging, fouling, corrosion, opacity, and acid plume, as well as the formation of sulfur trioxide, ammonium bisulfate, particulate matter, sulfur dioxide, and carbon dioxide through the addition of chemicals into the furnace using TIFI Targeted In-Furnace Injection technology. This segment offers its FUEL CHEM program for plants operating in the electric utility, industrial, pulp and paper, waste-to-energy, and university and district heating markets; and the owners of boilers, furnaces, and other combustion units for treating a wide variety of solid and liquid fuels, including coal, heavy oil, black liquor, biomass, and municipal waste. The company offers DGI Dissolved Gas Infusion systems, which utilizes a proprietary channel injector and a patented saturator that infuses oxygen, carbon dioxide, or other gases into water; and UDI Urea Direct Injection systems. It operates in the United States, rest of the Americas, Europe, South Africa, the Pacific region, and internationally. Fuel Tech, Inc. was incorporated in 1987 and is headquartered in Warrenville, Illinois.

Company website: www.ftek.com

FTEK insider activity at a glance

FilingIQ has scored 113 insider transactions for FTEK since Mar 9, 2015. The most recent filing in our index is dated Mar 24, 2026.

Across the full history, 34 open-market purchases and 17 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on FTEK insider trades is 57.3/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live FTEK trades on FilingIQ Raw filings on SEC EDGAR

Other Industrials tickers with recent insider activity

CAR 626

AVIS BUDGET GROUP, INC.

KAI 182

KADANT INC

WCN 180

Waste Connections, Inc.

KTOS 174

KRATOS DEFENSE & SECURITY SOLUTIONS, INC.

WCC 168

WESCO INTERNATIONAL INC

Frequently asked

How many insider trades does FilingIQ track for FTEK?: FilingIQ tracks 113 Form 4 insider transactions for FTEK (FUEL TECH, INC.), covering filings from Mar 9, 2015 onwards. 4 of those were filed in the last 90 days.
Are FTEK insiders net buyers or net sellers?: Across the full Form 4 history for FTEK, 34 transactions (30%) were open-market purchases and 17 (15%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does FTEK insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is FTEK in?: FUEL TECH, INC. (FTEK) is classified in the Industrials sector, specifically Pollution & Treatment Controls, with a current market capitalisation of $41.64M.

Methodology & sources

Every FTEK insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.