---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-083286"
form_type: "8-K"
ticker: "STAI"
cik: "0001994624"
company_name: "ScanTech AI Systems Inc."
filed_at: "2025-08-27T23:59:59+00:00"
generated_at: "2026-05-17T09:48:55.849464+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Director Thomas McMillen resigns from ScanTech AI board; committee chairs reassigned

## Summary
- Thomas McMillen resigned from the board and all committees effective August 22, 2025; no dispute with the Company.
- Michael McGarrity, existing independent director, appointed chair of Nominating and Corporate Governance Committee.
- Bradley Buswell, Chairman of the Board, added to the Audit Committee to fill McMillen's vacancy.

## SEC filing metadata
- accession: 0001104659-25-083286
- form_type: 8-K
- ticker: STAI
- cik: 0001994624
- company_name: ScanTech AI Systems Inc.
- filed_at: 2025-08-27T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1994624/000110465925083286/0001104659-25-083286-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1994624/000110465925083286/tm2524411d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-083286
- JSON: https://secwatch.observer/filing/0001104659-25-083286.json
- Plain text: https://secwatch.observer/filing/0001104659-25-083286.txt

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