---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-21-127188"
form_type: "8-K"
ticker: "CLIR"
cik: "0001434524"
company_name: "ClearSign Technologies Corp"
filed_at: "2021-10-18T23:59:59+00:00"
generated_at: "2026-06-28T20:15:19.398406+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# ClearSign appoints Brent Hinds VP/Controller/Treasurer; Deller resigns as interim CFO

## Summary
- Brent Hinds appointed VP & Controller, Treasurer, principal financial & accounting officer effective Oct 18, 2021.
- Hinds receives $200k base salary, options for 100k shares vesting over 2 years (one-third immediate).
- Colin Deller resigned as interim CFO but remains CEO, Interim Secretary, and director.
- Hinds previously VP of Finance at Enovation Controls (Helios Technologies), overseeing $120M revenue, $600M assets.

## SEC filing metadata
- accession: 0001104659-21-127188
- form_type: 8-K
- ticker: CLIR
- cik: 0001434524
- company_name: ClearSign Technologies Corp
- filed_at: 2021-10-18T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1434524/000110465921127188/0001104659-21-127188-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1434524/000110465921127188/tm2130178d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-21-127188
- JSON: https://secwatch.observer/filing/0001104659-21-127188.json
- Plain text: https://secwatch.observer/filing/0001104659-21-127188.txt

## Key facts
- Executive change
  Colin James Deller resigned as Interim Chief Financial Officer at ClearSign Technologies Corp.
  - Action: resigned
  - Role: Interim Chief Financial Officer
  source text: Colin James Deller resigned from his position as the Company’s Interim Chief Financial Officer (and principal financial and accounting officer) and Interim Treasurer as of the Effective Date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1434524/000110465921127188/0001104659-21-127188-index.htm
- Executive change
  Brent Hinds was appointed as Vice President and Controller at ClearSign Technologies Corp.
  - Action: appointed
  - Role: Vice President and Controller
  source text: Effective as of October 18, 2021 (the “Effective Date”), Brent Hinds was appointed as Vice President and Controller of ClearSign Technologies Corporation (the “Company”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1434524/000110465921127188/0001104659-21-127188-index.htm

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