EBR Systems, Inc.

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):

Securities registered pursuant to Section 12(b) of the Act: None

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 companyx

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.¨

On August 18, 2026 (U.S. Pacific time), EBR Systems, Inc. (the “Company”)held a Special Meeting of Stockholders (the “Special Meeting”) virtually via live webcast. At the Special Meeting, the Company’s stockholders voted on the three proposals set forth below. A more detailed description of each proposal is set forth in the Company’s Proxy Statement filed with the Securities and Exchange Commission on July 9, 2026 (the “Proxy Statement”).

Proposal 1- Ratification of Security Issuances. The Company’s stockholders approved the ratification of the issuance of 77,352,890 CDIs (equivalent to 7,735,289 shares of common stock) at an issue price of A$0.38 per CDI, on terms and conditions set out in the Proxy Statement, pursuant to and for the purposes of Australian Securities Exchange (“ASX”) Listing Rule 7.4. The results of the vote were:

*Represents shares underlying votes that were not cast held by holders subject to a voting exclusion on the matter or that were disregarded, pursuant to ASX Listing Rule 14.11.1, as further described in the Proxy Statement

Proposal 2- *Approval of Security Issuances.*The Company’s stockholders approved the issuance of 92,105,270 CDIs (equivalent to 9,210,527 shares of common stock) at an issue price of A$0.38 per CDI to certain clients of BCP3 Pty Ltd, an associate of Dr. Chris Nave (a non-executive director of the Company), on terms and conditions set out in the Proxy Statement, pursuant to and for the purposes of ASX Listing Rule 10.11. The results of the vote were:

Proposal 3- Adjournment of Special Meeting. The Company’s stockholders approved the adjournment of the Special Meeting, if necessary, to solicit additional proxies if there are not sufficient votes in favor of the Proposal 1 or Proposal 2. The results of the vote were:

No other matters were submitted for stockholder action at the Special Meeting.