Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
   Rule 13d-1(b)
   Rule 13d-1(c)
   Rule 13d-1(d)






SCHEDULE 13G




Comment for Type of Reporting Person:   Rows 5 and 7 include 17,633,860 shares of common stock, par value $0.0001 per share ("common stock"), underlying the same amount of CHESS Depositary Interests ("CDIs") of EBR Systems, Inc. (the "Issuer") held by H.E.S.T. Australia Ltd. (the "Reporting Person"), as trustee for HESTA. Each CDI represents the right to receive one share of common stock. The CDIs are held by CHESS Depositary Nominees Pty Limited, a subsidiary of ASX Limited. Rows 6 and 8 include 15,875,392 CDIs and 3,072,232 shares of common stock issuable upon exercise of certain warrants held by MRCF3 Service (H) Pty Ltd ("MRCF3 Service (H)") on trust for MRCF3 (H) Trust. MRCF3 Service (H) is the trustee of MRCF3 (H) Trust. The Reporting Person is the sole unitholder in MRCF3 (H) Trust. Pursuant to a Part B Management Agreement, dated April 22, 2015, among MRCF3 Service (H), BCP3 Pty Ltd and the Reporting Person, the Reporting Person may be deemed to share voting and investment power with respect to the CDIs and shares of common stock issuable upon exercise of certain warrants held by MRCF3 (H) Trust. Based on information provided by the Issuer in Amendment No. 3 to the Issuer's Form 10, filed with the U.S. Securities and Exchange Commission ("SEC") on November 21, 2024, Christopher Nave and Henry Thompson are the members of MRCF3 Service (H) and share voting and investment power over the CDIs held by the Reporting Person. Row 11 is based on the sum of (i) 373,076,861 shares of the Issuer's common stock outstanding (including shares underlying all issued and outstanding CDIs) as of May 12, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q for the quarter ended March 31, 2025, filed with the SEC on May 13, 2025 and (ii) 55,900,000 CDIs issued in an underwritten placement to institutional investors on May 26, 2025, as reported in the Issuer's Current Report on Form 8-K filed with the SEC on May 29, 2025.


SCHEDULE 13G



 
H.E.S.T. Australia Ltd.
 
Signature:/s/ Bruce Cooper
Name/Title:Attorney-in-Fact
Date:08/01/2025