---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-052228"
form_type: "8-K"
ticker: "CYN"
cik: "0001874097"
company_name: "Cyngn Inc."
filed_at: "2025-06-06T23:59:59+00:00"
generated_at: "2026-05-19T18:39:18.487544+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Cyngn CFO and board member Donald Alvarez steps down; interim CFO named

## Summary
- Donald Alvarez resigned as CFO and board member effective June 6, 2025.
- Departure not related to any disagreement with the company.
- Natalie Russell, Director of Accounting, appointed Interim CFO effective same date.

## SEC filing metadata
- accession: 0001213900-25-052228
- form_type: 8-K
- ticker: CYN
- cik: 0001874097
- company_name: Cyngn Inc.
- filed_at: 2025-06-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1874097/000121390025052228/0001213900-25-052228-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1874097/000121390025052228/ea0244984-8k_cyngn.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-052228
- JSON: https://secwatch.observer/filing/0001213900-25-052228.json
- Plain text: https://secwatch.observer/filing/0001213900-25-052228.txt

## Key facts
- Executive change
  Natalie Russell was appointed as Interim Chief Financial Officer at Cyngn Inc..
  - Action: appointed
  - Role: Interim Chief Financial Officer
  source text: As previously disclosed, effective June 6, 2025, Natalie Russell, the Company’s Director of Accounting, will serve as the Company’s Interim Chief Financial Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1874097/000121390025052228/0001213900-25-052228-index.htm
- Executive change
  Donald Alvarez departed as Chief Financial Officer at Cyngn Inc..
  - Action: stepped down
  - Role: Chief Financial Officer
  source text: Effective June 6, 2025, Donald Alvarez stepped down as a member of the board of directors (the “Board”) and Chief Financial Officer of Cyngn Inc. (the “Company”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1874097/000121390025052228/0001213900-25-052228-index.htm

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