Trevor J. Stedke - 25 Oct 2025 Form 4 Insider Report for Frontier Group Holdings, Inc. (ULCC)

Role
Sr. Vice President, Operations
Signature
/s/ Howard Diamond, as Attorney-in-fact for Trevor J. Stedke
Issuer symbol
ULCC
Transactions as of
25 Oct 2025
Transactions value $
-$75,721
Form type
4
Filing time
28 Oct 2025, 16:05:33 UTC
Previous filing
11 Feb 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Stedke Trevor J. Sr. Vice President, Operations C/O FRONTIER GROUP HOLDINGS, INC., 4545 AIRPORT WAY, DENVER /s/ Howard Diamond, as Attorney-in-fact for Trevor J. Stedke 28 Oct 2025 0001853409

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ULCC Common Stock Options Exercise +60.8K +31.74% 252K 25 Oct 2025 Direct F1, F2
transaction ULCC Common Stock Tax liability -$75.7K -18.2K -7.23% $4.15 234K 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 -60.8K -50% $0.00 60.8K 25 Oct 2025 Common Stock 60.8K 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.