UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q/A

Amendment No. 1

(Mark One)

For the quarterly period ended June 30, 2018

or

For the transition period from ______________to _______________.

Commission File Number: 001-38608

Summit Wireless Technologies, Inc.

(Exact name of registrant as specified in its charter)

6840 Via Del Oro Ste. 280

San Jose, CA 95119

(Address of principal executive offices) (Zip Code)

(408) 627-4716

(Registrant’s telephone number, including area code)

Summit Semiconductor, Inc.

(Former name, former address and former fiscal year, if changed since last report)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes ¨     No x

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes x     No ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company.  See the definitions of “large accelerated filer,” “accelerated filer”, “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

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. ¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ¨     No x

The number of shares of the Registrant’s common stock outstanding as of September 21, 2018 is 15,270,338.

EXPLANATORY NOTE

The purpose of this Amendment No. 1 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2018, filed with the U.S. Securities and Exchange Commission on September 14, 2018 (the “Form 10-Q”), is solely to furnish Exhibit 101 to the Form 10-Q in accordance with Rule 405 of Regulation S-T. Exhibit 101 to this report provides the consolidated financial statements and related notes from the Form 10-Q formatted in XBRL (eXtensible Business Reporting Language).

No other changes have been made to the Form 10-Q. This Amendment No. 1 to the Form 10-Q reflects events as of the original filing date of the Form 10-Q, does not reflect events that may have occurred subsequent to the original filing date (except for subsequent events described therein), and does not modify or update in any way disclosures made in the original Form 10-Q.

PART II: OTHER INFORMATION

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 INDEX