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): September 21, 2025

WHEELS UP EXPERIENCE INC.

(Exact name of registrant as specified in its charter)

(212) 257-5252

(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:

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

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

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.  ¨

On September 21, 2025 (the “Amendment Date”), Wheels Up Experience Inc. (the “Company”) entered into Amendment No. 3 to Investment and Investor Rights Agreement (the “Investor Rights Agreement Amendment”), with each of Delta Air Lines, Inc. (“Delta”), CK Wheels LLC (“CK Wheels”), Cox Investment Holdings, LLC (“CIH” and, collectively with Delta and CK Wheels, the “Lead Investors”), and each of Kore Air LLC, Pandora Select Partners, L.P., Whitebox GT Fund, LP, Whitebox Multi-Strategy Partners, L.P., and Whitebox Relative Value Partners, L.P. (collectively, the “Additional Investors” and, collectively with the Lead Investors, the “Investors”), to amend and extend, among others, certain transfer restrictions set forth in the Investment and Investor Rights Agreement, dated September 20, 2023, by and among, the Company and the Investors (as amended by Amendment No. 1 thereto, dated as of November 15, 2023, as further amended by Amendment No. 2 thereto, dated as of September 22, 2024, and as further amended by the Investor Rights Agreement Amendment, the “Investor Rights Agreement”). Pursuant to the Investor Rights Agreement Amendment:

Pursuant to the Investor Rights Agreement Amendment, approximately 86.4% and 83.6% of the Company’s outstanding shares of Common Stock as of the Amendment Date will remain subject to a lock-up restriction until January 2, 2026 and May 22, 2026, respectively.

On the Amendment Date, the holders that collectively beneficially own in excess of 66.67% of the Registrable Securities (as defined in the Registration Rights Agreement, dated as of September 20, 2023, by and among the Company and the equity holders set forth on Schedule 1 thereto) extended the deadline by which the Company must file an initial shelf registration statement to register the Shares under the Securities Act of 1933, as amended (the “Securities Act”), to May 22, 2026.

As of the Amendment Date: (i) there were 720,338,634 shares of Common Stock outstanding (excluding treasury stock); (ii) Delta beneficially owned approximately 36.6% of the outstanding shares of Common Stock, of which any shares in excess of 29.9% of the shares of Common Stock entitled to vote at any meeting of the Company’s stockholders or for purposes of any consent solicitation that are held by Delta will be neutral shares with respect to voting rights, voted in proportion to all other votes cast at such meeting or for such consent solicitation other than by Delta; (ii) CK Wheels beneficially owned approximately 35.8% of the outstanding shares of Common Stock; (iii) CIH beneficially owned approximately 11.9% of the outstanding shares of Common Stock; and (iv)(a) each Investor was a lender under the Company’s secured credit facility, and was a party to certain other agreements concerning the governance of the Company and commercial arrangements, in each case as disclosed under the heading “Related Person Transactions with Holders of More than 5% of Our Voting Stock” in the Company’s definitive proxy statement on Schedule 14A, which was filed with the U.S. Securities and Exchange Commission (“SEC”) on April 24, 2025, and (b) Delta and the Company were parties to certain transactions described in Item 1.01 of the Company’s Current Report on Form 8-K filed with the SEC on May 1, 2025.

The foregoing description of the Investor Rights Agreement Amendment does not purport to be complete and is qualified in its entirety by reference to a copy thereof, which is attached hereto as Exhibit 10.1 and incorporated by reference herein.

On September 22, 2025, the Company issued a press release regarding the lock-up extension described in Item 1.01 of this Current Report on Form 8-K (this “Current Report”), a copy of which is furnished as Exhibit 99.1 and incorporated by reference herein.

The information in Item 7.01 of this Current Report and Exhibit 99.1 is being furnished pursuant to Item 7.01 of Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act or the Exchange Act, except as may be expressly set forth by specific reference in such filing.

(d)          Exhibits.

SIGNATURE

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

ATTACHMENTS / EXHIBITS

EXHIBIT 10.1

EXHIBIT 99.1

XBRL TAXONOMY EXTENSION SCHEMA

XBRL TAXONOMY EXTENSION LABEL LINKBASE

XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE

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