---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-319189"
form_type: "8-K"
ticker: "ULCC"
cik: "0001670076"
company_name: "Frontier Group Holdings, Inc."
filed_at: "2025-12-15T23:59:59+00:00"
generated_at: "2026-05-16T13:13:36.897337+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Frontier CEO Barry Biffle departs; President James Dempsey named interim CEO

## Summary
- Barry L. Biffle steps down as CEO effective Dec 15, 2025; remains as director and advisor through Dec 31, 2025.
- James G. Dempsey, President and former CFO (2014-2023), appointed Interim CEO effective Dec 15, 2025.
- Board Chair Bill Franke thanked Biffle for 11 years of leadership and expressed confidence in Dempsey.
- Frontier reiterated Q4 2025 guidance previously announced Nov 5, 2025; no change to outlook.

## SEC filing metadata
- accession: 0001193125-25-319189
- form_type: 8-K
- ticker: ULCC
- cik: 0001670076
- company_name: Frontier Group Holdings, Inc.
- filed_at: 2025-12-15T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1670076/000119312525319189/0001193125-25-319189-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1670076/000119312525319189/d56868d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-319189
- JSON: https://secwatch.observer/filing/0001193125-25-319189.json
- Plain text: https://secwatch.observer/filing/0001193125-25-319189.txt

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