---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-036808"
form_type: "8-K"
ticker: "CLIR"
cik: "0001434524"
company_name: "ClearSign Technologies Corp"
filed_at: "2026-03-30T23:59:59+00:00"
generated_at: "2026-05-15T08:21:33.556847+00:00"
event_type: "regulatory"
sentiment: "positive"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# ClearSign regains Nasdaq minimum bid price compliance; matter closed

## Summary
- Received Nasdaq letter on March 30, 2026 confirming compliance with Listing Rule 5550(a)(2).
- Common stock closing bid price at or above $1.00 for ten consecutive business days.
- Compliance matter now closed; no further delisting risk from this requirement.

## SEC filing metadata
- accession: 0001104659-26-036808
- form_type: 8-K
- ticker: CLIR
- cik: 0001434524
- company_name: ClearSign Technologies Corp
- filed_at: 2026-03-30T23:59:59+00:00
- event_type: regulatory
- sentiment: positive
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1434524/000110465926036808/0001104659-26-036808-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1434524/000110465926036808/tm2610637d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-036808
- JSON: https://secwatch.observer/filing/0001104659-26-036808.json
- Plain text: https://secwatch.observer/filing/0001104659-26-036808.txt

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