[Form 4] Frontier Group Holdings, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Frontier Group Holdings senior vice president of operations Trevor J. Stedke reported routine equity compensation activity involving restricted stock units in February 2026. On February 6, 14,421 restricted stock units converted into an equal number of common shares, with 6,309 shares withheld by the company to cover tax obligations. On February 8, a further 12,255 units converted into common shares, with 5,361 shares withheld for taxes. After these transactions, Stedke directly held 250,387 shares of Frontier common stock and 28,842 restricted stock units, with the remaining units scheduled to vest in two substantially equal annual installments beginning February 6, 2027, while another award was fully vested as of February 8, 2026.

Insider Trade Summary

26,676 shares exercised/converted

Mixed 6 txns

Insider Stedke Trevor J.

Role Sr. Vice President, Operations

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	12,255	$0.00	--
Exercise	Common Stock	12,255	$0.00	--
Tax Withholding	Common Stock	5,361	$6.52	$35K
Exercise	Restricted Stock Units	14,421	$0.00	--
Exercise	Common Stock	14,421	$0.00	--
Tax Withholding	Common Stock	6,309	$5.65	$36K

Holdings After Transaction: Restricted Stock Units — 0 shares (Direct); Common Stock — 255,748 shares (Direct)

Footnotes (1)

1. Relates solely to the settlement of previously granted Restricted Stock Units upon vesting. No shares were sold by the Reporting Person. Each Restricted Stock Unit represents a contingent right to receive one share of Issuer Common Stock. The Restricted Stock Units have no expiration date. 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. 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. The remaining Restricted Stock Units vest in two substantially equal annual installments beginning on February 6, 2027. The Restricted Stock Units have fully vested as of February 8, 2026.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Stedke Trevor J.

(Last) (First) (Middle)

C/O FRONTIER GROUP HOLDINGS, INC.

4545 AIRPORT WAY

(Street)

DENVER CO 80239

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Frontier Group Holdings, Inc. [ ULCC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Sr. Vice President, Operations

3. Date of Earliest Transaction (Month/Day/Year)
02/06/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/06/2026		M(1)		14,421	A	(2)	249,802	D
Common Stock	02/06/2026		F		6,309(3)	D	$5.65	243,493	D
Common Stock	02/08/2026		M(1)		12,255	A	(2)	255,748	D
Common Stock	02/08/2026		F		5,361(4)	D	$6.52	250,387	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(2)	02/06/2026		M			14,421	(5)	(2)	Common Stock	14,421	$0.00	28,842	D
Restricted Stock Units	(2)	02/08/2026		M			12,255	(6)	(2)	Common Stock	12,255	$0.00	0.00	D

Explanation of Responses:

1. Relates solely to the settlement of previously granted Restricted Stock Units upon vesting. No shares were sold by the Reporting Person.

2. Each Restricted Stock Unit represents a contingent right to receive one share of Issuer Common Stock. The Restricted Stock Units have no expiration date.

3. 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.

4. 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.

5. The remaining Restricted Stock Units vest in two substantially equal annual installments beginning on February 6, 2027.

6. The Restricted Stock Units have fully vested as of February 8, 2026.

Remarks:

	/s/ Howard Diamond, as Attorney-in-fact for Trevor J. Stedke	02/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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