SCHEDULE 13D/A 0001336198 XXXXXXXX LIVE 4 Common Stock, par value $0.0001 per share 03/06/2026 false 0001498710 84863V101 Spirit Aviation Holdings, Inc.

1731 RADIANT DRIVE DANIA BEACH FL 33004

Martin Sklar (212) 986-6000 Kleinberg, Kaplan, Wolff & Cohen P.C. 500 Fifth Avenue New York NY 10110 0001336198 N Esopus Creek Value Series Fund LP - Series A a WC DE 0.00 704636 0.00 704636 704636 2.61 OO 0001378067 N Esopus Creek Advisors LLC a AF DE 0.00 704636 0.00 704636 704636 2.61 OO 0001378121 N Sole Andrew L. a AF X1 0.00 704636 0.00 704636 704636 2.61 IN Common Stock, par value $0.0001 per share Spirit Aviation Holdings, Inc. 1731 RADIANT DRIVE DANIA BEACH FL 33004 This Amendment No. 4 (this "Amendment No.4") amends the Schedule 13D filed on September 12, 2025 (the ("Original Schedule 13D") as amended by Amendment No. 1 ("Amendment No.1") on October 14, 2025, Amendment No. 2 ("Amendment No. 2") on October 17, 2025, and Amendment No.3 ("Amendment No.3") on December 3, 2025 (collectively, the "Schedule 13D"), which relates to the shares of common stock, par value $0.0001 per share (the "Common Stock" or "Shares") of Spirit Aviation Holdings, Inc., Inc., a Delaware corporation (the "Company" or the "Issuer"), whose principal executive offices are located at 1731 Radiant Drive, Dania Beach, Florida 33004. Unless specifically amended hereby, the disclosures set forth in the Original Schedule 13D remain unchanged. Capitalized terms used but not otherwise defined herein have the meanings given to them in the Original Schedule 13D. (a) - (b) The aggregate percentage of Common Stock reported owned by the Reporting Persons is based upon 27,044,569 Shares of Common Stock outstanding, which is the total number of shares of Common Stock outstanding as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 10, 2025. As of the date hereof, Esopus Creek Fund beneficially owned 704,636 Shares, constituting approximately 2.61% of the Shares outstanding. By virtue of its relationship with Esopus Creek Advisors discussed in further detail in Item 2, Mr. Sole may be deemed to beneficially own the Shares owned directly by Esopus Creek Fund. Esopus Creek Advisors, Esopus Creek Fund and Mr. Sole have shared voting and dispositive power over the Shares of Common Stock directly held by Esopus Creek Fund. As of the date hereof, the Reporting Persons beneficially own an aggregate of 704,636 Shares, constituting approximately 2.61% of the outstanding Shares. See Item 5(a). The Reporting Persons have not entered into any transactions in the Common Stock during the past sixty days, except as follows: (i) On February 24, 2025, Esopus Creek Fund sold over-the-counter 24,500 Shares at sale price of $0.4289 per Share, excluding commissions. (ii) On February 25, 2025, Esopus Creek Fund sold over-the-counter 86,264 Shares at a sale price of $0.5108 per Share, excluding commissions. (iii) On March 6, 2026, Esopus Creek Fund sold over-the-counter 500,000 Shares at a sale price of $0.3237 per Share, excluding commissions. No Person is known to the Reporting Persons to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, any Shares that may be beneficially owned by the Reporting Persons. The Reporting Persons ceased to beneficially own at least 5% of the Issuer's Common Stock on February 24, 2026. Esopus Creek Value Series Fund LP - Series A /s/ Andrew L. Sole 03/06/2026 Esopus Creek Advisors LLC /s/ Andrew L. Sole 03/06/2026 Sole Andrew L. /s/ Andrew L. Sole 03/06/2026