---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-006620"
form_type: "8-K"
ticker: "FTEK"
cik: "0000846913"
company_name: "FUEL TECH, INC."
filed_at: "2026-03-03T23:59:59+00:00"
generated_at: "2026-05-15T22:27:11.738641+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Fuel Tech Q4 revenue up 37% to $7.2M; FY net loss $(2.3)M vs $(1.9)M prior year

## Summary
- Q4 consolidated revenue $7.2M (+37% YoY); net loss $(1.2)M ($(0.04)/share) vs $(1.9)M loss prior year.
- FUEL CHEM segment revenue rose 37% in Q4; full-year revenue highest since 2018 at $4.9M in Q4.
- APC segment backlog grew to $7.0M at year-end; data-center sales pipeline $75-100M.
- Cash and investments totaled $31.8M; no outstanding debt.
- New FUEL CHEM demo contract potential annual revenue $2.5-3.0M at historic margins.

## SEC filing metadata
- accession: 0001437749-26-006620
- form_type: 8-K
- ticker: FTEK
- cik: 0000846913
- company_name: FUEL TECH, INC.
- filed_at: 2026-03-03T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/846913/000143774926006620/0001437749-26-006620-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/846913/000143774926006620/ftek20260225_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-006620
- JSON: https://secwatch.observer/filing/0001437749-26-006620.json
- Plain text: https://secwatch.observer/filing/0001437749-26-006620.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.