Figures computed from official regulatory filings — .
Analysttarget 4 USD (+142%) · consensus 5/5 · 1 buy · 0 hold · 0 sell
Ownershipinsiders 23.32% · institutions 24.07% · short 1.3% of float
In USD · as of Oct 5, 2026
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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 in the United States, rest of the Americas, Europe, South Africa, the Pacific Rim, and internationally. The Air Pollution Control Technology segment offers technologies to reduce nitrogen oxide emissions (NOx) in flue gas from boilers, incinerators, furnaces, and other stationary combustion sources; NOxOUT selected non-catalytic reduction and selected catalytic reduction systems, including ammonia injection grid and graduated straightening grid systems; electrostatic precipitator processes and services; ULTRA technology; urea direct injection systems; and flue gas conditioning systems. Its FUEL CHEM Technology segment provides chemical injection 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 targeted in-furnace injection technology. This segment also 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. In addition, the company provides dissolved gas infusion systems, which utilize a proprietary channel injector and a patented saturator that infuses oxygen, carbon dioxide, or other gases into water; and visualization software. Fuel Tech, Inc. was incorporated in 1987 and is headquartered in Warrenville, Illinois.
Market information source · Oct 5, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
108 buys92 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details |
|---|---|---|---|---|
| Nuggihalli Rameshtrack record | Buy | $2K | conv 67 |
| SEC |
| ZEITLER DENNIS L | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Jones Sharon Ltrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| BAILEY DOUGLAS Gtrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Cummings William E JRtrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Albrecht Ellen T | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| ARNONE VINCENT Jtrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| ARNONE VINCENT Jtrack record | Buy | $12.4K | conv 48 | SEC |
| Jones Sharon Ltrack record | Sell | $21.1K | SEC |
| ZEITLER DENNIS L | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| BAILEY DOUGLAS Gtrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Jones Sharon Ltrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| ARNONE VINCENT Jtrack record | Buy | $15.8K | conv 36 | SEC |
| Jones Sharon Ltrack record | Buy | $8.7K | conv 40Cluster | SEC |
| Jones Sharon Ltrack record | Buy | $4.4K | conv 34Cluster | SEC |
| Jones Sharon Ltrack record | Buy | $10.3K | conv 45Cluster | SEC |
| Jones Sharon Ltrack record | Buy | $9.6K | conv 46Cluster | SEC |
| Jones Sharon Ltrack record | Buy | $7.5K | conv 39Cluster | SEC |
| Jones Sharon Ltrack record | Buy | $9.7K | conv 60ClusterUnusual size | SEC |
| ARNONE VINCENT Jtrack record | Buy | $20.4K | conv 48Cluster | SEC |
| Albrecht Ellen T | Buy | $5.1K | conv 70ClusterFirst in 12mo | SEC |
| Jones Sharon Ltrack record | Buy | $3.3K | conv 38 | SEC |
| Jones Sharon Ltrack record | Buy | $451.6 | conv 45First in 12mo | SEC |
| ARNONE VINCENT Jtrack record | Buy | $20.8K | conv 44 | SEC |
| Jones Sharon Ltrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |