---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-112653"
form_type: "8-K"
ticker: "CLIR"
cik: "0001434524"
company_name: "ClearSign Technologies Corp"
filed_at: "2024-10-30T23:59:59+00:00"
generated_at: "2026-05-30T08:11:39.645140+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# ClearSign receives Nasdaq extension to April 28, 2025 to regain minimum bid price compliance

## Summary
- Granted 180-day extension after stock closed below $1 for 30 consecutive days through May 1, 2024.
- Must close at $1.00 per share for 10 consecutive business days by April 28, 2025 to avoid delisting.
- Company may pursue a reverse stock split if needed to meet the bid price requirement.
- Failure to regain compliance could lead to delisting; company may appeal but no assurance of success.
- Listing and trading of CLIR on Nasdaq Capital Market continue for now; no immediate effect.

## SEC filing metadata
- accession: 0001104659-24-112653
- form_type: 8-K
- ticker: CLIR
- cik: 0001434524
- company_name: ClearSign Technologies Corp
- filed_at: 2024-10-30T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 3.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1434524/000110465924112653/0001104659-24-112653-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1434524/000110465924112653/tm2427125d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-112653
- JSON: https://secwatch.observer/filing/0001104659-24-112653.json
- Plain text: https://secwatch.observer/filing/0001104659-24-112653.txt

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