Sun Country (SNCY) grants 4,141 RSUs to finance chief in Form 4 filing

Rhea-AI Filing Summary

Sun Country Airlines Holdings, Inc. reported that its Chief Accounting Officer and Vice President of Finance, Christopher Michael Mangione, received a grant of 4,141 shares of common stock on January 2, 2026. The shares were granted at a price of $0 per share as restricted stock units under the company’s 2021 Omnibus Incentive Plan. According to the vesting terms, one-third of these RSUs will vest and be settled on each of the first three anniversaries of the grant date, subject to continued employment. Following this grant, Mangione beneficially owns 11,249 shares of Sun Country common stock, held directly.

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

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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^*

Mangione Christopher Michael

(Last) (First) (Middle)

C/O SUN COUNTRY AIRLINES HOLDINGS, INC.

2005 CARGO ROAD

(Street)

MINNEAPOLIS MN 55450

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Sun Country Airlines Holdings, Inc. [ SNCY ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Acct. Off. & VP, Finance

3. Date of Earliest Transaction (Month/Day/Year)
01/02/2026

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, par value $0.01 per share	01/02/2026		A		4,141(1)	A	$0	11,249	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. Represents the grant of restricted stock units made under the Sun Country Airlines Holdings, Inc. 2021 Omnibus Incentive Plan ("RSUs"). 1/3rd of these RSUs will vest and be settled on each of the first three anniversaries of the grant date, subject to continued employment.

	/s/ Rose Neale, as attorney-in-fact for Christopher Mangione	01/06/2026
	** 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).
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FAQ

What insider transaction did Sun Country Airlines (SNCY) report on this Form 4?

The report shows that Christopher Michael Mangione, Chief Accounting Officer and VP, Finance of Sun Country Airlines Holdings, Inc., received a grant of 4,141 shares of common stock in the form of restricted stock units.

How many Sun Country (SNCY) shares did the executive hold after the reported transaction?

After the reported grant, Christopher Michael Mangione beneficially owned 11,249 shares of Sun Country Airlines Holdings, Inc. common stock, held directly.

What type of equity award did Sun Country (SNCY) grant in this Form 4 filing?

The filing describes the award as restricted stock units (RSUs) granted under the Sun Country Airlines Holdings, Inc. 2021 Omnibus Incentive Plan, which will settle in shares of common stock.

What is the vesting schedule for the RSUs granted by Sun Country Airlines (SNCY)?

The footnote explains that one-third of the RSUs will vest and be settled on each of the first three anniversaries of the January 2, 2026 grant date, subject to the executive’s continued employment.

At what price were the Sun Country (SNCY) RSUs granted to the executive?

The RSU grant is reported with a price of $0 per share, which is typical for equity awards given as compensation rather than open-market purchases.

Who is the reporting person in this Sun Country Airlines (SNCY) Form 4 filing?

The reporting person is Mangione Christopher Michael, who serves as Chief Accounting Officer and Vice President, Finance of Sun Country Airlines Holdings, Inc.