---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-21-022032"
form_type: "8-K"
ticker: "FTEK"
cik: "0000846913"
company_name: "FUEL TECH, INC."
filed_at: "2021-09-13T23:59:59+00:00"
generated_at: "2026-06-29T04:21:56.083590+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "low"
source: SEC EDGAR
---

# Fuel Tech posts updated corporate presentation; no specific financial or operational details disclosed in filing text.

## Summary
- Filing reports updated corporate presentation posted on company website.
- Exhibit 99.1 is an image file; no textual financial data or operational metrics are extractable.
- No new guidance, earnings results, or material business developments are included in the filing text.
- The presentation is furnished under Regulation FD and not incorporated by reference.

## SEC filing metadata
- accession: 0001437749-21-022032
- form_type: 8-K
- ticker: FTEK
- cik: 0000846913
- company_name: FUEL TECH, INC.
- filed_at: 2021-09-13T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: low
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/846913/000143774921022032/0001437749-21-022032-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/846913/000143774921022032/ftek20210910_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-21-022032
- JSON: https://secwatch.observer/filing/0001437749-21-022032.json
- Plain text: https://secwatch.observer/filing/0001437749-21-022032.txt

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