---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-114991"
form_type: "8-K"
ticker: "CLIR"
cik: "0001434524"
company_name: "ClearSign Technologies Corp"
filed_at: "2025-11-21T23:59:59+00:00"
generated_at: "2026-05-16T17:35:54.399241+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# ClearSign reports Q3 2025 update: cash $10.5M, multiple new burner orders

## Summary
- Cash and equivalents of $10.5M as of Sep 30, 2025; 52.5M shares outstanding.
- Received two M25 burner orders from Devco for gas processing facilities in NM and TX.
- Fourth low-emission flare burner order from a major California energy producer for Q2 2026 installation.
- 32-burner CFD engineering order from a global supermajor for California refinery retrofit.
- 36-process-burner engineering order from an integrated producer for Texas Gulf Coast refinery.

## SEC filing metadata
- accession: 0001104659-25-114991
- form_type: 8-K
- ticker: CLIR
- cik: 0001434524
- company_name: ClearSign Technologies Corp
- filed_at: 2025-11-21T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1434524/000110465925114991/0001104659-25-114991-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1434524/000110465925114991/tm2531893d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-114991
- JSON: https://secwatch.observer/filing/0001104659-25-114991.json
- Plain text: https://secwatch.observer/filing/0001104659-25-114991.txt

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