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): February 2, 2026

QUANTUM COMPUTING INC.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code (703) 436-2161

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. ☐

Item 2.01 Completion of Acquisition or Disposition of Assets.

As previously disclosed on a Current Report on Form 8-K filed by Quantum Computing Inc. (the “Company”) on December 15, 2025, the Company entered into a Stock Purchase Agreement, dated as of December 15, 2025 (the “Stock Purchase Agreement”) with Luminar Technologies, Inc., a Delaware corporation (the “Seller”) and Luminar Semiconductor, Inc., a Delaware corporation (the “Target”), pursuant to which, subject to the terms and conditions set forth in the Stock Purchase Agreement, the Company agreed to acquire all of the issued and outstanding shares of common stock of the Target from the Seller (the “Transaction”). The Transaction was completed on February 2, 2026.

The consideration paid by the Company at closing consisted of approximately $97.5 million in cash, along with the $11.0 million of funds that were placed with an escrow agent in connection with the signing of the Stock Purchase Agreement. The escrowed amount will remain with the escrow agent to cover certain limited indemnification obligations of the Seller pursuant to the Stock Purchase Agreement until February 2, 2027.

The foregoing description of the Transaction and the Stock Purchase Agreement does not purport to be complete and is qualified in its entirety by reference to the Stock Purchase Agreement, which the Company filed with the SEC as Exhibit 2.1 in its Current Report on Form 8-K on December 15, 2025, and is incorporated herein by reference.

Cautionary Statement Regarding Forward-Looking Statements

The statements contained in this Current Report on Form 8-K include forward-looking statements as defined within Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These forward-looking statements and forecasts, generally identified by terms such as “may,” “will,” “expect,” “believe,” “anticipate,” “estimate,” “intends,” “goal,” “objective,” “seek,” “attempt,” “aim to,” or variations of these or similar words, involve risks and uncertainties because they relate to events and depend on circumstances that will occur in the future. Those statements include statements regarding the intent, belief, or current expectations of the Company and members of its management as well as the assumptions on which such statements are based. Prospective investors are cautioned that any such forward-looking statements are not guarantees of future performance and involve risks and uncertainties, including the occurrence of any event, change or other circumstances under which the anticipated benefits of the Transaction are not realized when expected or at all, including as a result of the impact of, or problems arising from, the integration of the Target, diversion of management’s attention from ongoing business operations and opportunities, operating costs and business disruption following the Transaction, exposure to potential litigation, the integration of the Target’s products and technologies with the Company, and the acceleration of the Company’s development roadmap, and that actual results may differ materially from those contemplated by such forward-looking statements. Except as required by federal securities law, the Company undertakes no obligation to update or revise forward-looking statements to reflect changed conditions.

Item 7.01 Regulation FD Disclosure.

On February 2, 2026, the Company issued a press release announcing the Transaction, a copy of which is furnished herewith as Exhibit 99.1.

The information provided under this Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1, is “furnished” and shall not be deemed “filed” with the Securities and Exchange Commission or incorporated by reference in any filing under the Securities Exchange Act of 1934, as amended, or the Securities Act of 1933, as amended.

Item 9.01 Financial Statements and Exhibits.

The Company will file the financial statements of the Target required by Item 9.01(a) as an amendment to this Current Report on Form 8-K no later than 71 calendar days after the required filing date for this Current Report on Form 8-K.

The Company will file the pro forma financial information required by Item 9.01(b) as an amendment to this Current Report on Form 8-K no later than 71 calendar days after the required filing date for this Current Report on Form 8-K. 

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 hereunto duly authorized.