SNCY appoints Christopher Mangione as Chief Accounting Officer

Rhea-AI Filing Summary

Sun Country Airlines Holdings, Inc. announced that its Board appointed Christopher Mangione as Vice President and Chief Accounting Officer effective November 16, 2025. He succeeds Chief Financial Officer D. Torque Zubeck in the chief accounting officer function, which Zubeck had been handling on an interim basis.

Mangione, age 35, was previously the Company’s Senior Director of External Reporting and Technical Accounting and has prior experience at Calyxt and UnitedHealth Group. Under his new employment letter, he will receive an annual base salary of $200,000, a target annual cash bonus equal to 60% of base salary, and, starting January 1, 2026, eligibility for annual equity awards with a 2026 grant value expected to be $120,000. The letter also outlines severance protections, including up to nine months of salary and pro‑rated bonus if terminated without cause, and enhanced benefits, including 12 months of salary and accelerated vesting of time‑based restricted stock units, if separated without cause or for good reason within 24 months after a change in control.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): November 16, 2025

Sun Country Airlines Holdings, Inc.

(Exact name of Registrant as specified in its charter)

Delaware			001-40217			82-4092570
(State of Incorporation)			(Commission File Number)			(I.R.S. Employer Identification No.)

2005 Cargo Road
Minneapolis,			Minnesota			55450
(Address of principal executive offices)						(Zip Code)

(651) 681-3900

(Registrant’s telephone number, including area code)

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the Registrant under any of the following provisions:

☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, par value $0.01 per share

SNCY

The Nasdaq Stock Market LLC

Indicate by check mark whether the Registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the Registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.02    Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Appointment of Chief Accounting Officer

Effective as of November 16, 2025, the Board of Directors (the “Board”) of Sun Country Airlines Holdings, Inc. (the “Company”) has appointed Christopher Mangione as Vice President and Chief Accounting Officer. Mr. D. Torque Zubeck, the Company’s Chief Financial Officer, who was fulfilling the role of Chief Accounting Officer on an interim basis, will no longer perform the chief accounting officer function effective as of November 16, 2025.

Mr. Mangione, age 35, most recently served as Senior Director of External Reporting and Technical Accounting of the Company, where he led the Company’s external financial reporting, technical accounting, and regulatory compliance efforts. Before joining the Company in March of 2022, Mr. Mangione, served as Assistant Controller at Calyxt from March, 2021 to March, 2022 and before that, he spent close to a decade at UnitedHealth Group, assuming various roles including Associate Director of Financial Reporting & Corporate Accounting, Senior Consultant of Accounting Policy and Manager of SEC Reporting. Mr. Mangione obtained his bachelor’s degree in accounting from Minnesota State University, Mankato.

There are no arrangements or understandings between Mr. Mangione and any other person in connection with his appointment. Mr. Mangione does not have any family relationships with any director or other executive officer of the Company, or any person nominated or chosen by the Company to become a director or executive officer, and there are no transactions in which Mr. Mangione has an interest requiring disclosure under Item 404(a) of Regulation S-K.

Employment Letter with Mr. Mangione

In connection with Mr. Mangione’s appointment as Vice President and Chief Accounting Officer, the Company and Mr. Mangione entered into an executive employment letter, effective November 16, 2025 (the “Mangione Employment Letter”). Pursuant to the Mangione Employment Letter, Mr. Mangione will receive an annual base salary of $200,000, and will be eligible to earn an annual cash bonus pursuant to the Company’s annual bonus program for similarly situated employees of the Company, with a target annual bonus equal to 60% his base salary. Effective January 1, 2026, Mr. Mangione will also be eligible to receive annual equity-based compensation awards under the Company’s equity compensation program. The grant value of the annual grant for 2026 is expected to be $120,000, typically delivered in February and subject to the Compensation Committee’s approval.

In the event Mr. Mangione’s employment is terminated by the Company without “cause”, he will be entitled to receive the following severance payments/benefits: (i) continued base salary payments for a period of nine (9) months, (ii) a pro-rata annual bonus for the year in which the termination date occurs, based on actual performance of the applicable performance conditions measured for the full year, and pro-rated for time served during such year as a portion of the full year, and (iii) medical and dental coverage through COBRA for Mr. Mangione and his eligible dependents for 9 months, with the Company paying the portion of the premium that exceeds the amount Mr. Mangione paid for medical and dental coverage as an active employee. In the event Mr. Mangione’s employment is terminated by the Company without “cause” or he resigns for “good reason”, in each case, within 24 months following a change in control, then Mr. Mangione will be entitled to receive the foregoing severance benefits, except that the continued base salary payments described in subsection (i) shall continue for 12 months, the pro-rata annual bonus described in subsection (ii) will be measured through the termination date for purposes of determining actual performance level, and Mr. Mangione will also receive an additional severance payment equal to 100% of his target annual bonus or actual annual bonus for the year in which the termination date occurs, whichever is greater, and all unvested time-based restricted stock units will accelerate and vest. Mr. Mangione’s receipt of the foregoing severance payments and benefits will generally be subject to his execution and non-revocation of a general release of claims against the Company and his continued compliance with certain restrictive covenants.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Date: November 18, 2025			Sun Country Airlines Holdings, Inc.
			By:			/s/ Erin Rose Neale
						Name:			Erin Rose Neale
						Title:			Chief Legal Officer, Senior Vice President, and Corporate Secretary

FAQ

What executive change did Sun Country Airlines (SNCY) announce in this 8-K?

Sun Country Airlines appointed Christopher Mangione as Vice President and Chief Accounting Officer effective November 16, 2025. Chief Financial Officer D. Torque Zubeck, who had been serving as interim chief accounting officer, will no longer perform that function as of the same date.

What is the background of Christopher Mangione, Sun Country Airlines' new Chief Accounting Officer?

Christopher Mangione, age 35, most recently served as Sun Country’s Senior Director of External Reporting and Technical Accounting, overseeing external financial reporting, technical accounting, and regulatory compliance. Before joining Sun Country in March 2022, he was Assistant Controller at Calyxt and spent nearly a decade at UnitedHealth Group in roles including Associate Director of Financial Reporting & Corporate Accounting, Senior Consultant of Accounting Policy, and Manager of SEC Reporting.

What compensation will Christopher Mangione receive in his new role at SNCY?

Under his employment letter, Mangione will receive an annual base salary of $200,000 and will be eligible for an annual cash bonus with a target equal to 60% of base salary. Starting January 1, 2026, he will be eligible for annual equity-based awards, with the 2026 grant value expected to be $120,000, typically granted in February subject to Compensation Committee approval.

What severance benefits are provided to Christopher Mangione if Sun Country terminates him without cause?

If Sun Country terminates Mangione without cause, he is entitled to nine months of continued base salary, a pro‑rated annual bonus for the year of termination based on actual full‑year performance, and up to nine months of medical and dental coverage through COBRA, with the Company paying the portion of premiums above his active-employee rate.

How do change-in-control provisions affect Christopher Mangione’s severance at Sun Country Airlines?

If Mangione is terminated without cause or resigns for good reason within 24 months after a change in control, he will receive 12 months of base salary, a pro‑rated annual bonus measured through the termination date, an additional payment equal to 100% of his target or actual bonus (whichever is greater), continued medical and dental benefits, and full vesting of all unvested time‑based restricted stock units, subject to a release of claims and compliance with restrictive covenants.

Does Sun Country Airlines disclose any related-party arrangements involving Christopher Mangione?

The company states there are no arrangements or understandings between Mangione and any other person in connection with his appointment, no family relationships with directors or executive officers, and no transactions involving him that require disclosure under Item 404(a) of Regulation S‑K.