---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-023536"
form_type: "8-K"
ticker: "CLIR"
cik: "0001434524"
company_name: "ClearSign Technologies Corp"
filed_at: "2026-03-04T23:59:59+00:00"
generated_at: "2026-05-15T21:36:58.328905+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# ClearSign shareholders approve reverse stock split for Nasdaq compliance; annual meeting set for June 8, 2026

## Summary
- Reverse stock split approved at ratio between 1-for-2 and 1-for-10, with board discretion to abandon.
- Proposal passed with 26,667,027 votes for, 9,224,242 against, and 77,216 abstentions (74% support).
- 2026 annual meeting scheduled for June 8, 2026; record date fixed as April 13, 2026.
- Deadline for Rule 14a-8 proposals and director nominations under bylaws is March 14, 2026.

## SEC filing metadata
- accession: 0001104659-26-023536
- form_type: 8-K
- ticker: CLIR
- cik: 0001434524
- company_name: ClearSign Technologies Corp
- filed_at: 2026-03-04T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.07, 5.08, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1434524/000110465926023536/0001104659-26-023536-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1434524/000110465926023536/tm267543d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-023536
- JSON: https://secwatch.observer/filing/0001104659-26-023536.json
- Plain text: https://secwatch.observer/filing/0001104659-26-023536.txt

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