---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-163458"
form_type: "8-K"
ticker: "RJET"
cik: "0000810332"
company_name: "REPUBLIC AIRWAYS HOLDINGS INC."
filed_at: "2025-07-23T23:59:59+00:00"
generated_at: "2026-05-18T03:54:06.974771+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Mesa Air Group files S-4/S-1 for merger with Republic Airways; shareholder vote to follow

## Summary
- Filed S-4 and S-1 with SEC on July 10, 2025 for proposed merger with Republic Airways Holdings Inc.
- Proxy statement/prospectus included; not yet effective, subject to change, will be mailed to stockholders for vote.
- Merger requires stockholder approval and SEC effectiveness; no financial terms disclosed in this press release.
- Mesa operated 60 aircraft and ~238 daily departures as United Express with ~1,650 employees as of March 31, 2025.

## SEC filing metadata
- accession: 0001193125-25-163458
- form_type: 8-K
- ticker: RJET
- cik: 0000810332
- company_name: REPUBLIC AIRWAYS HOLDINGS INC.
- filed_at: 2025-07-23T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/810332/000119312525163458/0001193125-25-163458-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/810332/000119312525163458/d32366d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-163458
- JSON: https://secwatch.observer/filing/0001193125-25-163458.json
- Plain text: https://secwatch.observer/filing/0001193125-25-163458.txt

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