Mark C. Mitchell - 25 Oct 2025 Form 4 Insider Report for Frontier Group Holdings, Inc. (ULCC)

Role
SVP & CFO
Signature
/s/ Howard Diamond, as Attorney-in-fact for Mark C. Mitchell
Issuer symbol
ULCC
Transactions as of
25 Oct 2025
Transactions value $
-$94,562
Form type
4
Filing time
28 Oct 2025, 16:04:59 UTC
Previous filing
17 Oct 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mitchell Mark Christopher SVP & CFO C/O FRONTIER GROUP HOLDINGS, INC., 4545 AIRPORT WAY, DENVER /s/ Howard Diamond, as Attorney-in-fact for Mark C. Mitchell 28 Oct 2025 0001854386

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ULCC Common Stock Options Exercise +52.1K +38.16% 189K 25 Oct 2025 Direct F1, F2
transaction ULCC Common Stock Tax liability -$94.6K -22.8K -12.08% $4.15 166K 25 Oct 2025 Direct F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ULCC Restricted Stock Units Options Exercise $0 -52.1K -50% $0.00 52.1K 25 Oct 2025 Common Stock 52.1K Direct F2, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Relates solely to the settlement of previously granted Restricted Stock Units upon vesting. No shares were sold by the Reporting Person.
F2 Each Restricted Stock Unit represents a contingent right to receive one share of Issuer Common Stock. The Restricted Stock Units have no expiration date.
F3 Represents shares of Issuer Common Stock withheld by the Issuer solely to satisfy tax withholding obligations in connection with the net issuance of shares of Issuer Common Stock delivered to the Reporting on October 25, 2025, from the vesting of Restricted Stock Units, and does not represent a sale by the Reporting Person.
F4 The remaining Restricted Stock Units fully vest on October 25, 2026.