Howard M. Diamond - 06 Feb 2026 Form 4 Insider Report for Frontier Group Holdings, Inc. (ULCC)

Role
EVP, Legal & Corporate Affairs
Signature
/s/ Howard M. Diamond
Issuer symbol
ULCC
Transactions as of
06 Feb 2026
Net transactions value
-$96,005
Form type
4
Filing time
10 Feb 2026, 16:27:34 UTC
Previous filing
09 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Diamond Howard EVP, Legal & Corporate Affairs C/O FRONTIER GROUP HOLDINGS, INC., 4545 AIRPORT WAY, DENVER /s/ Howard M. Diamond 10 Feb 2026 0001671358

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ULCC Common Stock Options Exercise +18,335 +13% 155,346 06 Feb 2026 Direct F1, F2
transaction ULCC Common Stock Tax liability $45,319 -8,021 -5.2% $5.65 147,325 06 Feb 2026 Direct F3
transaction ULCC Common Stock Options Exercise +11,328 +7.7% 158,653 08 Feb 2026 Direct F1, F2
transaction ULCC Common Stock Tax liability $32,313 -4,956 -3.1% $6.52 153,697 08 Feb 2026 Direct F4
transaction ULCC Common Stock Options Exercise +6,442 +4.2% 160,139 08 Feb 2026 Direct F1, F2
transaction ULCC Common Stock Tax liability $18,373 -2,818 -1.8% $6.52 157,321 08 Feb 2026 Direct F4

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 -18,335 -33% $0.000000 36,671 06 Feb 2026 Common Stock 18,335 Direct F2, F5
transaction ULCC Restricted Stock Units Options Exercise $0 -11,328 -100% $0.000000 0 08 Feb 2026 Common Stock 11,328 Direct F2, F6
transaction ULCC Restricted Stock Units Options Exercise $0 -6,442 -100% $0.000000 0 08 Feb 2026 Common Stock 6,442 Direct F2, F6
* 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 February 6, 2026, from the vesting of Restricted Stock Units, and does not represent a sale by the Reporting Person.
F4 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 Person on February 8, 2026, from the vesting of Restricted Stock Units, and does not represent a sale by the Reporting Person.
F5 The remaining Restricted Stock Units vest in two substantially equal annual installments beginning on February 6, 2027.
F6 The Restricted Stock Units have fully vested as of February 8, 2026.