8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The SecuritiesExchange Act of 1934

Date of Report (Date of earliest event reported): September 10, 2024

Altair International Corp.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (412) 770-3140

(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 (see General Instruction A.2. below):

☐ 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))

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. ☐

Item 1.01 Entry into a Material DefinitiveAgreement.

On September 10, 2024, the registrant ("Altair") executed Amendment No. 4 to the Agreement and Plan of Merger (“Amendment 4 to Merger Agreement”) among Premier Air Charter, Inc. (“Premier”), Premier Air Charter Merger Sub, Inc. (“Merger Sub”), and TIPP Aviation, LLC, the sole shareholder of Premier. Under the terms of Amendment 4 to the Merger Agreement, the Outside Date by which the merger by Altair with Premier must be consummated was changed from August 31,2024 to November 31, 2024. No other changes were made to the Agreement and Plan of Merger.

The foregoing description of Amendment 4 to the Merger Agreements does not purport to be complete and is qualified in its entirety by reference to Amendment 4 to the Merger Agreement which is filed as Exhibit 10.1 to this Current Report on Form 8-K.

Item 9.01 Financial Statements and Exhibits.

SIGNATURES

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 thereunto duly authorized.

Exhibit 10.1