Frontier Group SVP sells 5,000 shares in planned stock trade

Frontier Group Holdings senior vice president of human resources Steve Schuller reported selling 5,000 shares of the company’s common stock on 12/10/2025 at a price of $6 per share.

Rhea-AI Filing Summary

Frontier Group Holdings senior vice president of human resources Steve Schuller reported selling 5,000 shares of the company’s common stock on 12/10/2025 at a price of $6 per share.

After this transaction, he directly beneficially owns 77,312 shares. The sale was carried out under a Rule 10b5-1 trading plan that he adopted on May 19, 2024.

Insider Trade Summary

Net Seller: 5,000 shares

Net Sell 1 txn

Insider Schuller Steve

Role SVP, Human Resources

Sold 5,000 shs ($30K)

Type	Security	Shares	Price	Value
Sale	Common Stock	5,000	$6.00	$30K

Holdings After Transaction: Common Stock — 77,312 shares (Direct)

Footnotes (1)

1. F1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 19, 2024.

FAQ

What insider transaction did Frontier Group Holdings (ULCC) report on December 10, 2025?

The report shows that senior vice president of human resources Steve Schuller sold 5,000 shares of Frontier Group Holdings common stock on 12/10/2025 at $6 per share.

Who is the insider involved in the latest Frontier Group Holdings (ULCC) Form 4 filing?

The insider is Steve Schuller, who serves as SVP, Human Resources at Frontier Group Holdings.

How many Frontier Group Holdings (ULCC) shares does Steve Schuller own after the reported sale?

Following the reported transaction, Steve Schuller beneficially owns 77,312 shares of Frontier Group Holdings common stock, held directly.

At what price were the Frontier Group Holdings (ULCC) shares sold in this insider transaction?

The 5,000 shares of Frontier Group Holdings common stock were sold at a price of $6 per share.

Was the Frontier Group Holdings (ULCC) insider sale made under a Rule 10b5-1 trading plan?

Yes. The filing states the sales were effected under a Rule 10b5-1 trading plan that Steve Schuller adopted on May 19, 2024.

Is this Frontier Group Holdings (ULCC) Form 4 filed for one or multiple reporting persons?

The document indicates it is a Form filed by one Reporting Person, covering transactions by Steve Schuller.

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Accepted by SEC EDGAR 12/12/2025 - 04:56 PM Learn about SEC filing dates

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).

X

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^*

Schuller Steve

(Last) (First) (Middle)

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)
	SVP, Human Resources

3. Date of Earliest Transaction (Month/Day/Year)
12/10/2025

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	12/10/2025		S(1)		5,000	D	$6	77,312	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

Explanation of Responses:

1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 19, 2024.

Remarks:

	/s/ Howard Diamond, as Attorney-in-fact for Steve Schuller	12/12/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.