Frontier Group Holdings Inc officer Mark Mitchell filed a Form 144 notice on November 12, 2026, proposing the sale of 40,798 shares of common stock through UBS Financial Services Inc.

Key Highlights

  • Proposed seller: Mark Mitchell, an officer of Frontier Group Holdings Inc
  • Shares proposed for sale: 40,798 shares of common stock
  • Aggregate market value: $332,393.98
  • Approximate date of sale: November 11, 2026
  • Shares outstanding: 230,417,551
  • Source of shares: Two RSU acquisitions from Frontier Group Holdings Inc, totaling 11,501 shares acquired October 16, 2025, and 29,297 shares acquired October 25, 2025
  • Prior sales in past 3 months: Nothing to report

Mark Mitchell's Proposed Rule 144 Sale of Frontier Group Common Stock

According to the Form 144 filing, Mark Mitchell, identified as an officer of Frontier Group Holdings Inc (NASDAQ:ULCC), proposed to sell 40,798 shares of the company's common stock with an aggregate market value of $332,393.98. The filing names UBS Financial Services Inc, located at 1000 Harbor Blvd, 3rd Floor, Weehawken, NJ 07086, as the broker through which the sale is to be executed. The approximate date of the proposed sale is listed as November 11, 2026.

The filing discloses that the shares proposed for sale were acquired through two separate restricted stock unit (RSU) transactions. According to the filing, 11,501 shares were acquired on October 16, 2025, and 29,297 shares were acquired on October 25, 2025, both from Frontier Group Holdings Inc via RSU awards. Neither transaction involved a gift. The filing indicates that no securities of Frontier Group Holdings Inc were sold by Mitchell during the three months prior to the notice date.

The notice was dated November 12, 2026, and signed by Joseph Cassidy of UBS Financial Services Inc, acting as attorney-in-fact for Mark Mitchell. The filing states that Mitchell "does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed," as represented by the signature on the notice.

What Was Disclosed

Frontier Group Holdings Inc officer Mark Mitchell filed a Form 144 notice proposing to sell 40,798 shares of common stock, valued at $332,393.98, acquired through RSU awards in October 2025, with the proposed sale to be executed through UBS Financial Services Inc.