---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-034801"
form_type: "8-K"
ticker: "ACHR"
cik: "0001824502"
company_name: "Archer Aviation Inc."
filed_at: "2025-07-11T23:59:59+00:00"
generated_at: "2026-05-18T06:57:32.927229+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# CFO Mark Mesler steps down effective July 7, 2025; Priya Gupta continues as CFO

## Summary
- Mesler had been on medical leave since September 2024; departure now effective.
- Transition agreement provides nine months base salary, three months target bonus, and accelerated RSU vesting.
- Priya Gupta, who served as acting CFO during the leave, remains CFO.
- Harsh Rungta stays as SVP Finance & Chief Accounting Officer.

## SEC filing metadata
- accession: 0001628280-25-034801
- form_type: 8-K
- ticker: ACHR
- cik: 0001824502
- company_name: Archer Aviation Inc.
- filed_at: 2025-07-11T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1824502/000162828025034801/0001628280-25-034801-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1824502/000162828025034801/achr-20250707.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-034801
- JSON: https://secwatch.observer/filing/0001628280-25-034801.json
- Plain text: https://secwatch.observer/filing/0001628280-25-034801.txt

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