---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-075708"
form_type: "8-K"
ticker: "CLIR"
cik: "0001434524"
company_name: "ClearSign Technologies Corp"
filed_at: "2025-08-08T23:59:59+00:00"
generated_at: "2026-05-17T16:16:50.469844+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# ClearSign receives Nasdaq non-compliance notice over board independence; two directors resign

## Summary
- On August 8, 2025, Nasdaq notified ClearSign it fails board independence and audit committee composition requirements due to resignations of directors de Lacy and Schrecker.
- Board had no majority independent directors and audit committee only two independent directors, violating Nasdaq Listing Rules 5605(b)(1) and 5605(c)(2)(A).
- Cure period: until earlier of next annual meeting or August 4, 2026; if meeting before Feb 2, 2026, then by Feb 2, 2026.
- Board decreased from six to five; Louis J. Basenese appointed to Governance Committee, G. Todd Silva to Compensation Committee.
- Resignations were not due to any disagreement with the Company; ClearSign plans to appoint a new independent director.

## SEC filing metadata
- accession: 0001104659-25-075708
- form_type: 8-K
- ticker: CLIR
- cik: 0001434524
- company_name: ClearSign Technologies Corp
- filed_at: 2025-08-08T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 3.01, 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1434524/000110465925075708/0001104659-25-075708-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1434524/000110465925075708/tm2522983d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-075708
- JSON: https://secwatch.observer/filing/0001104659-25-075708.json
- Plain text: https://secwatch.observer/filing/0001104659-25-075708.txt

## Key facts
- Listing & Compliance Notices
  ClearSign Technologies Corp received a nasdaq deficiency notice notice regarding board independence (rules 5605(b)(1), 5605(c)(2)(A)).
  - Exchange: nasdaq
  - Notice: deficiency notice
  - Deficiency: board independence
  - Rules: 5605(b)(1), 5605(c)(2)(A)
  source text: August 8, 2025, ClearSign Technologies Corporation (the “Company”) received a notice (the “Notice”) from the Listing Qualifications Department of the Nasdaq Stock Market LLC (“Nasdaq”) stating that the Company is not in compliance with the board of directors independence requirement set forth in Nasdaq Listing Rule 5605(b)(1) and the audit committee composition requirement set forth in Nasdaq Listing Rule 5605(c)(2)(A) (collectively, the “Nasdaq Composition Requirements”) due to the resignations of Catharine M. de Lacy and Judith S. Schrecker (as described below) from the Company’s board of di
  evidence_url: https://www.sec.gov/Archives/edgar/data/1434524/000110465925075708/0001104659-25-075708-index.htm

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