---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-22-005548"
form_type: "8-K"
ticker: "FTEK"
cik: "0000846913"
company_name: "FUEL TECH, INC."
filed_at: "2022-03-08T23:59:59+00:00"
generated_at: "2026-06-27T00:57:28.537968+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Fuel Tech reports first annual net income since 2013; Q4 loss narrows to $0.2M

## Summary
- Full year 2021 net income $0.1M ($0.00 diluted EPS) vs net loss $(4.3)M ($0.17) in 2020.
- Q4 2021 revenue $6.5M (+5% YoY); gross margin improved to 50.2% from 41.9%.
- Q4 2021 net loss $(0.2)M ($0.01/share) vs net loss $(1.5)M ($0.07/share) in Q4 2020.
- Cash and cash equivalents $35.9M, no debt; APC backlog $9.1M (up from $5.3M).
- Announced $5.3M of new APC orders in Q1 2022; FUEL CHEM revenue up 24.1% for full year.

## SEC filing metadata
- accession: 0001437749-22-005548
- form_type: 8-K
- ticker: FTEK
- cik: 0000846913
- company_name: FUEL TECH, INC.
- filed_at: 2022-03-08T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/846913/000143774922005548/0001437749-22-005548-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/846913/000143774922005548/ftek20220228_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-22-005548
- JSON: https://secwatch.observer/filing/0001437749-22-005548.json
- Plain text: https://secwatch.observer/filing/0001437749-22-005548.txt

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