---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-164567"
form_type: "8-K/A"
ticker: "RJET"
cik: "0000810332"
company_name: "REPUBLIC AIRWAYS HOLDINGS INC."
filed_at: "2025-07-25T23:59:59+00:00"
generated_at: "2026-05-18T01:43:17.683485+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "medium"
source: SEC EDGAR
---

# Mesa Air Group files registration statement for proposed merger with Republic Airways

## Summary
- Filed Form S-4 and S-1 with SEC on July 10, 2025 for merger with Republic Airways Holdings Inc.
- Registration statement includes proxy statement and preliminary prospectus for stockholder vote.
- Document not yet effective; securities may not be sold until SEC declares it effective.
- Mesa operates 60 aircraft and 238 daily departures as United Express as of March 31, 2025.

## SEC filing metadata
- accession: 0001193125-25-164567
- form_type: 8-K/A
- ticker: RJET
- cik: 0000810332
- company_name: REPUBLIC AIRWAYS HOLDINGS INC.
- filed_at: 2025-07-25T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: medium
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/810332/000119312525164567/0001193125-25-164567-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/810332/000119312525164567/d32366d8ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-164567
- JSON: https://secwatch.observer/filing/0001193125-25-164567.json
- Plain text: https://secwatch.observer/filing/0001193125-25-164567.txt

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