---
schema_version: "secwatch.filing_event.v1"
accession: "0001554855-25-002295"
form_type: "8-K"
ticker: "EVEX"
cik: "0001823652"
company_name: "Eve Holding, Inc."
filed_at: "2025-12-19T23:59:59+00:00"
generated_at: "2026-05-16T12:37:34.431253+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Eve Holding completes first flight of full-scale eVTOL prototype in Brazil

## Summary
- First flight of full-scale uncrewed eVTOL prototype at Embraer's test facility in Gavião Peixoto, Brazil on Dec 19, 2025.
- Inaugural hover flight confirms integration of fifth-generation fly-by-wire and fixed-pitch lifter rotors.
- Plans to expand to full wingborne flights in 2026; six conforming prototypes to be built for flight test campaign.
- Primary certifier is Brazil's ANAC; FAA and EASA are validating authorities for certification process.

## SEC filing metadata
- accession: 0001554855-25-002295
- form_type: 8-K
- ticker: EVEX
- cik: 0001823652
- company_name: Eve Holding, Inc.
- filed_at: 2025-12-19T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1823652/000155485525002295/0001554855-25-002295-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1823652/000155485525002295/evex-20251219.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001554855-25-002295
- JSON: https://secwatch.observer/filing/0001554855-25-002295.json
- Plain text: https://secwatch.observer/filing/0001554855-25-002295.txt

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