Frontier Group CFO receives 52,084 shares on vesting

Q: How many RSUs vested for Frontier (ULCC) CFO Mark Christopher Mitchell?

Mark Christopher Mitchell, Frontier’s SVP & CFO, had 52,084 restricted stock units vest and settle on October 25, 2026, and the transaction reported acquisition of 52,084 common shares.

Q: How many shares were withheld for taxes in Frontier (ULCC) CFO Mark Christopher Mitchell’s transaction?

The issuer withheld 22,786 common shares solely to satisfy tax withholding obligations connected with the net issuance of shares delivered from the vesting. The footnote says the withholding did not represent a sale by Mitchell.

The tax-withholding entry involved 22,786 shares at $4.94 per share, and the footnote says it was not a sale.

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Form Type

Rhea-AI Filing Summary

Frontier Group Holdings, Inc. reported that SVP & CFO Mark Christopher Mitchell’s 52,084 restricted stock units vested and settled on October 25, 2026, with 52,084 common shares acquired. The issuer withheld 22,786 shares solely to satisfy tax withholding obligations; the footnote states this was not a sale by Mitchell. The withholding entry lists a price of $4.94 per share, and the reported RSU position after settlement was 0.

Insider Trade Summary

52,084 shares exercised/converted

Exercise 3 txns

Insider Mitchell Mark Christopher

Role SVP & CFO

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units ^{F2, F4}	52,084	$0.00	$0.00
Exercise	Common Stock ^{F1, F2}	52,084	--	--
Tax Withholding	Common Stock ^F3	22,786	$4.94	$113K

Holdings After Transaction: Restricted Stock Units — 0 contracts (Direct); Common Stock — 107,382 shares (Direct)

Footnotes (4)

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 Person on October 25, 2026, from the vesting of Restricted Stock Units, and does not represent a sale by the Reporting Person.
F4. The Restricted Stock Units have fully vested as of October 25, 2026.

Key Figures

Restricted stock units vested: 52,084 restricted stock units Common shares acquired: 52,084 shares Shares withheld for taxes: 22,786 shares +2 more

5 metrics

Restricted stock units vested 52,084 restricted stock units October 25, 2026

Common shares acquired 52,084 shares From the restricted stock unit settlement on October 25, 2026

Shares withheld for taxes 22,786 shares Withheld by the issuer for tax withholding obligations on October 25, 2026

Price listed for withheld shares $4.94 per share Withholding entry for tax obligations

RSUs following settlement 0 units Reported after the October 25, 2026 settlement

Key Terms

Restricted Stock Units, net issuance, tax withholding obligations

3 terms

Restricted Stock Units financial

"settlement of previously granted Restricted Stock Units upon vesting"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

net issuance financial

"in connection with the net issuance of shares"

tax withholding obligations financial

"solely to satisfy tax withholding obligations"

FAQ

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

How many RSUs vested for Frontier (ULCC) CFO Mark Christopher Mitchell?

Mark Christopher Mitchell, Frontier’s SVP & CFO, had 52,084 restricted stock units vest and settle on October 25, 2026, and the transaction reported acquisition of 52,084 common shares.

How many shares were withheld for taxes in Frontier (ULCC) CFO Mark Christopher Mitchell’s transaction?

The issuer withheld 22,786 common shares solely to satisfy tax withholding obligations connected with the net issuance of shares delivered from the vesting. The footnote says the withholding did not represent a sale by Mitchell.

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

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 10/27/2026 - 04:10 PM EDT Accepted by SEC EDGAR 10/27/2026 - 04:09 PM EDT

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^*

Mitchell Mark Christopher

(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)
	SVP & CFO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/25/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	10/25/2026		M⁽¹⁾		52,084	A	⁽²⁾	130,168	D
Common Stock	10/25/2026		F		22,786⁽³⁾	D	$4.94	107,382	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽²⁾	10/25/2026		M			52,084	⁽⁴⁾	⁽²⁾	Common Stock	52,084	$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 Person on October 25, 2026, from the vesting of Restricted Stock Units, and does not represent a sale by the Reporting Person.

4. The Restricted Stock Units have fully vested as of October 25, 2026.

Remarks:

	/s/ Howard Diamond, as Attorney-in-fact for Mark C. Mitchell	10/27/2026
	** 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)

Source: View Original Filing on SEC EDGAR