Frontier HR chief sells $45K in company stock

Frontier Group Holdings’ SVP of Human Resources sold 7,500 ULCC shares under a pre-arranged Rule 10b5-1 trading plan.

Rhea-AI Filing Summary

Frontier Group Holdings, Inc. (ULCC) executive Steve Schuller, SVP, Human Resources, reported selling 7,500 shares of common stock on September 4, 2026, at $6.00 per share in an open-market or private transaction. After the sale, he directly held 79,675 shares. The sale was effected under a Rule 10b5-1 trading plan adopted on June 3, 2026.

Insider Trade Summary 10b5-1

Net Seller: 7,500 shares

Net Sell 1 txn

Insider Schuller Steve

Role SVP, Human Resources

Sold 7,500 shs ($45K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	7,500	$6.00	$45K

Holdings After Transaction: Common Stock — 79,675 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 June 3, 2026.

Key Figures

Shares sold: 7,500 shares Sale price per share: $6.00 per share Approximate transaction value: $45,000 +3 more

6 metrics

Shares sold 7,500 shares Common stock sale on September 4, 2026

Sale price per share $6.00 per share Common stock sale on September 4, 2026

Approximate transaction value $45,000 7,500 shares sold at $6.00 per share

Shares held after transaction 79,675 shares Direct ownership after the September 4, 2026 sale

Net shares sold in filing 7,500 shares Net-sell direction across all reported transactions

Number of sale transactions 1 transaction Sale in open market or private transaction

Key Terms

Rule 10b5-1 trading plan, sale in open market or private transaction, SVP, Human Resources

3 terms

Rule 10b5-1 trading plan regulatory

"sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

sale in open market or private transaction financial

"Sale in open market or private transaction"

SVP, Human Resources other

"Schuller Steve is listed as SVP, Human Resources"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

Who reported a transaction in Frontier Group Holdings (ULCC) on this Form 4?

The filing reports a transaction by Steve Schuller, who serves as SVP, Human Resources of Frontier Group Holdings, Inc.

How many ULCC shares did Steve Schuller sell and at what price?

Steve Schuller sold 7,500 shares of Frontier Group Holdings, Inc. common stock at a price of $6.00 per share, representing reported gross proceeds of about $45,000.

When did the reported sale of ULCC stock take place?

The reported sale of Frontier Group Holdings, Inc. (ULCC) common stock by Steve Schuller occurred on September 4, 2026.

How many ULCC shares does Steve Schuller hold after this transaction?

Following the reported sale, Steve Schuller directly held 79,675 shares of Frontier Group Holdings, Inc. common stock.

Was the ULCC stock sale made under a Rule 10b5-1 trading plan?

Yes. A footnote states that the sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Steve Schuller on June 3, 2026, indicating the trades were pre-arranged.

What type of transaction was reported for ULCC stock on this Form 4?

The Form 4 reports a sale transaction of Frontier Group Holdings, Inc. common stock, described as a sale in open market or private transaction.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/09/2026 - 04:04 PM Accepted by SEC EDGAR 09/09/2026 - 04:04 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 COLORADO 80239

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/04/2026

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

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

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

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	09/04/2026		S(1)		7,500	D	$6	79,675	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 June 3, 2026.

Remarks:

	/s/ Howard Diamond, as Attorney-in-fact for Steve Schuller	09/09/2026
	** 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.
* Form 4: SEC 1474 (03-26)