---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-118839"
form_type: "8-K"
ticker: "CYN"
cik: "0001874097"
company_name: "Cyngn Inc."
filed_at: "2025-12-05T23:59:59+00:00"
generated_at: "2026-05-16T14:19:47.438446+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Director Colleen Cunningham resigns from Cyngn board effective Dec 31, 2025

## Summary
- Resignation from Board and all committees (Audit, Compensation, Chair of Nominating & Corporate Governance).
- Resignation not due to any disagreement with Company operations, policies, or practices.
- Company intends to expeditiously appoint an additional independent director to fill the vacancy.

## SEC filing metadata
- accession: 0001213900-25-118839
- form_type: 8-K
- ticker: CYN
- cik: 0001874097
- company_name: Cyngn Inc.
- filed_at: 2025-12-05T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1874097/000121390025118839/0001213900-25-118839-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1874097/000121390025118839/ea0268738-8k_cyngn.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-118839
- JSON: https://secwatch.observer/filing/0001213900-25-118839.json
- Plain text: https://secwatch.observer/filing/0001213900-25-118839.txt

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