---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-068797"
form_type: "8-K"
ticker: "CLIR"
cik: "0001434524"
company_name: "ClearSign Technologies Corp"
filed_at: "2025-07-18T23:59:59+00:00"
generated_at: "2026-05-18T05:38:10.353557+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# ClearSign enters $10.39M ATM equity facility with H.C. Wainwright; terminates prior $8.7M ATM

## Summary
- Entered ATM Agreement with H.C. Wainwright & Co. for up to $10,390,000 of common stock, dated July 17, 2025.
- Proceeds to be used for working capital, R&D, marketing, sales, and general corporate purposes.
- Terminated prior ATM with Virtu Americas LLC (up to $8.7M) effective July 12, 2025.
- Wainwright to receive 3.0% cash commission on aggregate gross proceeds from sales under new ATM.
- Registration statement filed but not yet effective; sales cannot occur until SEC declares it effective.

## SEC filing metadata
- accession: 0001104659-25-068797
- form_type: 8-K
- ticker: CLIR
- cik: 0001434524
- company_name: ClearSign Technologies Corp
- filed_at: 2025-07-18T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1434524/000110465925068797/0001104659-25-068797-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1434524/000110465925068797/tm2521146d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-068797
- JSON: https://secwatch.observer/filing/0001104659-25-068797.json
- Plain text: https://secwatch.observer/filing/0001104659-25-068797.txt

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