---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-007334"
form_type: "8-K"
ticker: "FTEK"
cik: "0000846913"
company_name: "FUEL TECH, INC."
filed_at: "2024-03-11T23:59:59+00:00"
generated_at: "2026-06-05T00:15:38.422680+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Fuel Tech reports Q4 net loss of $539K; APC backlog up to $7.5M

## Summary
- Q4 2023 revenue $6.3M vs $7.0M in Q4 2022; full-year revenue $27.1M (+1% YoY).
- Q4 net loss $(0.02)/share; Full-year net loss $(1.5M) or $(0.05)/share.
- APC backlog $7.5M at Dec 31, 2023, up from $5.6M at Sept 30, 2023.
- Cash and investments total $33.4M; no long-term debt.
- Targeting first commercial DGI contract in 2024; awarded ~$8.3M in new APC projects in 2023.

## SEC filing metadata
- accession: 0001437749-24-007334
- form_type: 8-K
- ticker: FTEK
- cik: 0000846913
- company_name: FUEL TECH, INC.
- filed_at: 2024-03-11T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/846913/000143774924007334/0001437749-24-007334-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/846913/000143774924007334/ftek20240308_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-007334
- JSON: https://secwatch.observer/filing/0001437749-24-007334.json
- Plain text: https://secwatch.observer/filing/0001437749-24-007334.txt

## Key facts
- Earnings Releases
  FUEL TECH, INC. reported the fourth quarter ended December 31, 2023 results: revenue $6.3 million, net income $(539,000), EPS $(0.02) per share.
  - Period: the fourth quarter ended December 31, 2023
  - Revenue: $6.3 million
  - Net income: $(539,000)
  - EPS: $(0.02) per share
  - Result: reported results
  source text: of DGI. We are targeting to enter into our first commercial contract for DGI in 2024.” Q4 2023 Consolidated Results Overview Consolidated revenues for Q4 2023 declined to $6.3 million from $7.0 million in Q4 2022, with modest declines in both business segments from the prior year. Consolidated gross margin for Q4 2023 rose to 51.1% of revenues from 42.8% of
  evidence_url: https://www.sec.gov/Archives/edgar/data/846913/000143774924007334/0001437749-24-007334-index.htm
- Earnings Releases
  FUEL TECH, INC. reported the full year ended December 31, 2023 results: revenue $27.1 million, net income $(1.5) million, EPS $(0.05) per share.
  - Period: the full year ended December 31, 2023
  - Revenue: $27.1 million
  - Net income: $(1.5) million
  - EPS: $(0.05) per share
  - Result: reported results
  source text: EBITDA loss was $(0.6) million in Q4 2023 compared to Adjusted EBITDA loss of $(0.3) million in Q4 2022. 2023 Full Year Overview Consolidated revenues for 2023 rose 1.0% to $27.1 million from $26.9 million in 2022, reflecting the increase in APC revenue partially offset by a decline in FUEL CHEM revenue. Consolidated gross margin for full year 2023 was unchanged
  evidence_url: https://www.sec.gov/Archives/edgar/data/846913/000143774924007334/0001437749-24-007334-index.htm

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