Frontier Group Holdings, Inc. (ULCC) insider sells 24,195 shares of stock

Rhea-AI Filing Summary

Frontier Group Holdings, Inc. reported that Howard Diamond, EVP, Legal & Corporate Affairs, sold 24,195 shares of Common Stock on 2026-08-04 at $8.25 per share in a sale in open market or private transaction. After this sale, he directly holds 133,126 shares. The transaction is not indicated as made under a Rule 10b5-1 trading plan.

Insider Trade Summary

Net Seller: 24,195 shares

Net Sell 1 txn

Insider Diamond Howard

Role EVP, Legal & Corporate Affairs

Sold 24,195 shs ($200K)

Type	Security	Shares	Price	Value
Sale	Common Stock	24,195	$8.25	$200K

Holdings After Transaction: Common Stock — 133,126 shares (Direct)

Key Figures

Shares sold: 24,195 shares Sale price per share: $8.25 per share Shares owned after sale: 133,126 shares +1 more

4 metrics

Shares sold 24,195 shares Common Stock sale on 2026-08-04 by Howard Diamond

Sale price per share $8.25 per share Reported transaction price for the 24,195 shares sold

Shares owned after sale 133,126 shares Direct Common Stock holdings following the reported transaction

Number of sale transactions 1 transaction Single non-derivative sale reported in this Form 4

Key Terms

Sale in open market or private transaction, Common Stock, Rule 10b5-1

3 terms

Sale in open market or private transaction regulatory

"Transaction code description: Sale in open market or private transaction"

Common Stock financial

"Security title reported as Common Stock for this transaction"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Rule 10b5-1 regulatory

"Checkbox for Rule 10b5-1 trading plan is not selected"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/06/2026 - 04:08 PM Accepted by SEC EDGAR 08/06/2026 - 04:06 PM Learn about SEC filing dates

FAQ

What insider transaction did Frontier Group Holdings (ULCC) report for Howard Diamond?

Howard Diamond sold 24,195 shares of Frontier Group Holdings Common Stock on 2026-08-04 at $8.25 per share. The Form 4 describes this as a sale in open market or private transaction, reducing but not eliminating his direct share position.

How many Frontier Group Holdings (ULCC) shares does Howard Diamond hold after the reported sale?

After the reported sale, Howard Diamond directly holds 133,126 shares of Frontier Group Holdings Common Stock. This figure reflects his position immediately following the 24,195-share sale disclosed in the Form 4 insider transaction filing.

What was the price per share in Howard Diamond’s Frontier Group (ULCC) stock sale?

The reported sale by Howard Diamond was executed at $8.25 per share for Frontier Group Holdings Common Stock. The filing notes this as a per-share transaction price for the 24,195 shares sold in the open market or a private transaction.

Was Howard Diamond’s Frontier Group (ULCC) stock sale under a Rule 10b5-1 trading plan?

The Form 4 indicates the transaction was not made under a Rule 10b5-1 trading plan. The document-level Rule 10b5-1 checkbox is unchecked, meaning the sale is not identified as occurring pursuant to a pre-arranged trading agreement.

What role does Howard Diamond hold at Frontier Group Holdings (ULCC)?

Howard Diamond serves as EVP, Legal & Corporate Affairs at Frontier Group Holdings. The Form 4 filing lists him as an officer rather than a director or 10% owner, and reports his direct ownership of Common Stock following the disclosed sale.

How many transactions are reported in this Frontier Group (ULCC) Form 4 for Howard Diamond?

The Form 4 reports one sale transaction for Howard Diamond. This single entry covers the sale of 24,195 shares of Common Stock at $8.25 per share, with no derivative transactions or purchases disclosed in the same filing.

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^*

Diamond Howard

(Last) (First) (Middle)

C/O FRONTIER GROUP HOLDINGS, INC.

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)
	EVP, Legal & Corporate Affairs

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/04/2026

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	08/04/2026		S		24,195	D	$8.25	133,126	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:

Remarks:

	/s/ Howard M. Diamond	08/06/2026
	** 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)