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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): October 5, 2026

SERVE ROBOTICS INC.

(Exact Name of Registrant as Specified in Charter)

Delaware001-4202385-3844872

(State or Other Jurisdiction of Incorporation)(Commission File Number)(IRS Employer Identification No.)

1360 Bayport Avenue

San Carlos, California 94070

(Address of Principal Executive Offices)(Zip Code)

(818) 860-1352

(Registrant’s telephone number, including area code)

N/A

(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 classTrading Symbol(s)Name of each exchange on which registered

Common Stock, par value $0.0001 per shareSERV The Nasdaq Capital Market

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 2.02. Results of Operations and Financial Condition.

On October 5, 2026, Serve Robotics Inc. (the “Company”) made available on its website a Company investor presentation that may be used in presentations to investors from time to time, updated to include additional information regarding the Company’s cost of revenue for the year ending December 31, 2026. The cost of revenue is based on preliminary unaudited information and management estimates for the second half of the year ending December 31, 2026, is not a comprehensive statement of the Company’s financial results as of and for the second half of the fiscal year ending December 31, 2026, and is subject to completion of the Company’s financial closing procedures. The Company’s independent registered public accounting firm has not conducted an audit or review of, and does not express an opinion or any other form of assurance with respect to, these preliminary estimates.

A copy of the investor presentation is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

Item 7.01. Regulation FD Disclosure.

The information disclosed in Item 2.02 above is incorporated by reference into this Item 7.01.

The information in this Form 8-K (including Exhibits 99.1) 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 under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Forward-Looking Statements

This Current Report on Form 8-K contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements can be identified by the use of words such as “should,” “may,” “intends,” “anticipates,” “believes,” “estimates,” “projects,” “forecasts,” “expects,” “plans,” “proposes” and similar expressions. Forward-looking statements contained in this Current Report on Form 8-K include statements regarding the Company’s preliminary unaudited expectations for cost of revenue for the year ending December 31, 2026. Although the Company believes that the expectations reflected in these forward-looking statements are based on reasonable assumptions, there are a number of risks, uncertainties and other important factors that could cause actual results to differ materially from such forward-looking statements, including the factors discussed under the heading “Risk Factors” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025, as updated by its other filings with the Securities and Exchange Commission. Forward-looking statements speak only as of the date of the document in which they are contained, and the Company does not undertake any duty to update any forward-looking statements, excep