Mark Christopher Mitchell, SVP and CFO of Frontier Group Holdings, Inc., filed a Form 4 on October 27, 2026, reporting the vesting and partial share withholding of restricted stock units that occurred on October 25, 2026.

Key Highlights

  • RSU settlement: 52,084 restricted stock units vested and were converted into 52,084 shares of common stock on October 25, 2026.
  • Tax withholding: 22,786 shares were withheld by the issuer at $4.94 per share solely to satisfy tax withholding obligations.
  • No open-market sale: According to the filing, no shares were sold by the reporting person.
  • Resulting ownership: Following the transactions, Mitchell directly beneficially owned 107,382 shares of common stock.
  • RSU balance: The derivative security balance for restricted stock units was reduced to 0.00 following full vesting.
  • Exchange and ticker: Frontier Group Holdings, Inc. trades as NASDAQ:ULCC.

Frontier Group Holdings CFO Reports RSU Vesting and Share Withholding

According to the Form 4 filed with the SEC on October 27, 2026, Mark Christopher Mitchell, serving as SVP and CFO of Frontier Group Holdings, Inc. (NASDAQ:ULCC), reported two transactions on October 25, 2026. The first was the settlement of previously granted restricted stock units upon vesting, resulting in the acquisition of 52,084 shares of common stock. The filing states that each restricted stock unit represented a contingent right to receive one share of issuer common stock and that the units carried no expiration date.

The filing further discloses that 22,786 shares of common stock were withheld by the issuer at a price of $4.94 per share. The explanation of responses states this withholding was done "solely to satisfy tax withholding obligations in connection with the net issuance of shares of Issuer Common Stock delivered to the Reporting Person" and "does not represent a sale by the Reporting Person." After these two transactions, Mitchell's directly held beneficial ownership stood at 107,382 shares of common stock.

The restricted stock units reported in Table II were noted as having "fully vested as of October 25, 2026," reducing the remaining derivative security balance to zero. The Form 4 was signed by Howard Diamond as attorney-in-fact for Mark C. Mitchell and filed on October 27, 2026.

What Was Disclosed

Frontier Group Holdings CFO Mark Christopher Mitchell disclosed the October 25, 2026 vesting of 52,084 restricted stock units into common stock, the withholding of 22,786 shares at $4.94 for tax purposes, and a resulting direct beneficial ownership of 107,382 shares.