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): March 23, 2026

MOBIX LABS, INC.

(Exact name of registrant as specified in its charter)

(949) 808-8888

(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 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 5.07 Submission of Matters to a Vote of Security Holders

On March 23, 2026, Mobix Labs, Inc. (the “Company”) held its Annual Meeting of Stockholders (the “Meeting”) to vote on four proposals, as described in the definitive proxy statement filed by the Company with the SEC on March 6, 2026 (the “Proxy Statement”). Present at the Meeting were holders of 43,982,421 shares of Class A Common Stock of the Company (the “Class A Common Stock”) and 2,004,901 Class B Common Stock of the Company (the “Class B Common Stock” and, together with the Class A Common Stock, the “Common Stock”) represented in person or by proxy, representing approximately 52.86% of the voting power of the Common Stock as of February 27, 2026, the record date for the Meeting, and constituting a quorum for the transaction of business.

At the Meeting, the Company’s stockholders voted on the following proposals, each of which is described in more detail in the Proxy Statement. Capitalized terms used but not defined herein have the meanings assigned to such terms in the Proxy Statement.

Summarized below are the final results of the matters voted on at the Meeting based on the final, certified report of the voting results by the independent inspector of elections. There were no recorded broker non-votes.

Proposal No. 1: The Director Election Proposal

The Director Election Proposal was approved. The Class A Director Nominees were elected by the holders of Class A Common Stock and Class B Common Stock voting together. The Class B Director Nominee was elected by the holders of Class B Common Stock. The voting results were as follows:

Proposal No. 2: The Ratification of Selection of Independent Registered Public Accounting Firm Proposal

The Ratification of Selection of Independent Registered Public Accounting Firm Proposal was approved. The voting results were as follows:

Proposal No. 3: The Reverse Stock Split Proposal

The Reverse Stock Split Proposal was approved. The voting results were as follows:

Proposal No. 4: The Warrant Proposal

The Warrant Proposal was approved. The voting results were as follows:

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.

Date: March 25, 2026