---
schema_version: "secwatch.filing_event.v1"
accession: "0001108248-24-000001"
form_type: "8-K"
ticker: "KNOS"
cik: "0001108248"
company_name: "KRONOS ADVANCED TECHNOLOGIES INC"
filed_at: "2024-03-05T23:59:59+00:00"
generated_at: "2026-06-05T03:22:28.127669+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# CEO Michael Rubinov resigns; Greg Rubin appointed Chairman and Interim CEO

## Summary
- Michael Rubinov resigned as CEO and Director effective Dec 31, 2023; not due to any disagreement with the Company.
- Board appointed Greg Rubin as Chairman of the Board and Interim CEO effective immediately.
- Greg Rubin has 35+ years of business experience and is CEO of KronosMD Inc., a medical device subsidiary.
- KronosMD is developing AI-powered 3D ultrasound imaging technology for medical and dental use.
- New management plans to enhance operational efficiency and explore emerging market opportunities.

## SEC filing metadata
- accession: 0001108248-24-000001
- form_type: 8-K
- ticker: KNOS
- cik: 0001108248
- company_name: KRONOS ADVANCED TECHNOLOGIES INC
- filed_at: 2024-03-05T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1108248/000110824824000001/0001108248-24-000001-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1108248/000110824824000001/knos-20240304a.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001108248-24-000001
- JSON: https://secwatch.observer/filing/0001108248-24-000001.json
- Plain text: https://secwatch.observer/filing/0001108248-24-000001.txt

## Key facts
- Executive change
  Michael Rubinov resigned as CEO and Director at KRONOS ADVANCED TECHNOLOGIES INC.
  - Action: resigned
  - Role: CEO and Director
  source text: On December 31, 2023, Michael Rubinov resigned from his positions as CEO and Director of Kronos Advanced Technologies Inc (the "Company").
  evidence_url: https://www.sec.gov/Archives/edgar/data/1108248/000110824824000001/0001108248-24-000001-index.htm
- Executive change
  Greg Rubin was appointed as Chairman of the Board and Interim CEO at KRONOS ADVANCED TECHNOLOGIES INC.
  - Action: appointed
  - Role: Chairman of the Board and Interim CEO
  source text: Concurrently, the Board of Directors of the Company appointed Greg Rubin as the Chairman of the Board and Interim CEO, effective immediately upon Mr. Rubinov's resignation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1108248/000110824824000001/0001108248-24-000001-index.htm

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