[Form 4] Sun Country Airlines Holdings, Inc. Insider Trading Activity

Rhea-AI Filing Summary

William Trousdale, an officer of Sun Country Airlines Holdings, Inc. (SNCY), reported a sale of 1,853 shares of the company's common stock on 09/12/2025 at a reported price of $13.7629 per share. After the sale, Mr. Trousdale beneficially owned 25,140 shares. The Form 4 was signed by an attorney-in-fact on 09/15/2025. The filing discloses a single non-derivative sale and shows the reporting person’s role as an officer (SVP, VP FP&A, Treasurer).

Positive

• Clear, single transaction disclosed with transaction date, price, and post-transaction beneficial ownership provided
• No derivative or complex transactions disclosed, indicating a straightforward sale

Negative

• None.

Insights

Securities Analyst

TL;DR: Insider sale of 1,853 shares leaves the officer with 25,140 shares; transaction appears routine and nondisruptive.

The Form 4 documents a straightforward non-derivative sale by William Trousdale on 09/12/2025 at $13.7629 per share. The post-transaction beneficial ownership is 25,140 shares, reported in a single line item. There are no derivative transactions, no multiple trading dates, and no aggregated group filing. From a disclosure perspective the filing meets Section 16 requirements and is appropriately executed by an attorney-in-fact.

Corporate Governance Expert

TL;DR: Filing is a routine insider disposition with clear reporting of role and remaining ownership.

The Form 4 names Mr. Trousdale as an officer (SVP, VP FP&A, Treasurer) and reports a single sale of common stock. The document includes the reporting address and a manual signature executed by an attorney-in-fact on 09/15/2025. There are no indications of unusual or complex arrangements, pledges, or derivative positions disclosed in this 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
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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).

1. Name and Address of Reporting Person^*

Trousdale William

(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)
	SVP, VP FP&A, Treasurer

3. Date of Earliest Transaction (Month/Day/Year)
09/12/2025

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, par value $0.01 per share	09/12/2025		S		1,853	D	$13.7629	25,140	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:

	/s/ Rose Neale, attorney-in-fact for William Trousdale	09/15/2025
	** 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.

FAQ

What transaction did William Trousdale report on the Form 4 for SNCY?

He reported a sale of 1,853 shares of Sun Country Airlines Holdings common stock on 09/12/2025 at $13.7629 per share.

How many SNCY shares does the reporting person own after the transaction?

The Form 4 shows beneficial ownership of 25,140 shares following the reported sale.

What is William Trousdale's role at Sun Country Airlines as listed on the Form 4?

He is reported as an officer, with titles listed as SVP, VP FP&A, Treasurer.

Was the Form 4 signed and when?

Yes. The Form 4 was signed by an attorney-in-fact, /s/ Rose Neale, on 09/15/2025.

Did the filing report any derivative securities or additional complex disclosures?

No. Table II for derivative securities contains no entries; only a single non-derivative sale is reported.