Steve Schuller's Equity Transactions in Frontier Group Holdings

Steve Schuller, SVP of Human Resources at Frontier Group Holdings, Inc., reported several equity transactions on October 25, 2025. He acquired 26,042 shares of Common Stock through the settlement of previously granted Restricted Stock Units (RSUs) upon vesting. Additionally, 8,060 shares of Common Stock were withheld by the issuer to satisfy tax withholding obligations related to the vesting of RSUs. The remaining RSUs are set to fully vest on October 25, 2026. These transactions were reported in a Form 4 filing with the SEC.