STOCK TITAN

Host-Plus (EBRCZ) reports large indirect EBR Systems holdings and warrants

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

EBR Systems, Inc. reported an initial statement of beneficial ownership by Host-Plus Pty Ltd as trustee for the HOSTPLUS Pooled Superannuation Trust, identified as a more than ten percent owner. The filing lists only existing holdings, with no reported purchases or sales.

The trustee reports indirect ownership of common stock through several investment trusts, including 3,349,853 shares held by BB6 SERVICE (HP) COINVESTMENT TRUSCO PTY LTD atf BCP (HP) Co-Investment Trust and 2,655,139 shares held by MRCF3 Service (HP) Pty Ltd atf MRCF 3 (HP) Trust. Additional indirect positions are reported via other related trusts.

The filing also shows multiple warrant positions over common stock with an exercise price of $0.5891 per share and expiration dates ranging from 2029-08-26 to 2031-10-04. Each share of common stock corresponds to 10 Chess Depositary Interests that trade on the Australian Securities Exchange.

Positive

  • None.

Negative

  • None.
Insider Host-Plus Pty Ltd as trustee for the HOSTPLUS Pooled Superannuation Trust
Role null
Type Security Shares Price Value
holding Warrant (right to buy) -- -- --
holding Warrant (right to buy) -- -- --
holding Warrant (right to buy) -- -- --
holding Warrant (right to buy) -- -- --
holding Warrant (right to buy) -- -- --
holding Warrant (right to buy) -- -- --
holding Warrant (right to buy) -- -- --
holding Warrant (right to buy) -- -- --
holding Warrant (right to buy) -- -- --
holding Warrant (right to buy) -- -- --
holding Warrant (right to buy) -- -- --
holding Warrant (right to buy) -- -- --
holding Warrant (right to buy) -- -- --
holding Warrant (right to buy) -- -- --
holding Warrant (right to buy) -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Warrant (right to buy) — 47,235 shares (Indirect, By MRCF3 Service (HP) Pty Ltd atf MRCF 3 (HP) Trust); Common Stock — 2,655,139 shares (Indirect, By MRCF3 Service (HP) Pty Ltd atf MRCF 3 (HP) Trust)
Footnotes (1)
  1. Represents shares of the Issuer's common stock, with each share of common stock corresponding to 10 Chess Depositary Interests ("CDIs"). The CDIs are traded on the Australian Securities Exchange (the "ASX") and are held by CHESS Depositary Nominees Pty, Limited, a subsidiary of ASX Limited, the company that operates the ASX. The Securities are held directly by MRCF3 Service (HP) Pty Ltd as trustee of MRCF3 (HP) Trust. The Reporting Person is the sole beneficiary of MRCF3 (HP) Trust and exercises sole voting and dispositive power over the securities described, held by MRCF3 Service (HP) Pty Ltd. The Securities are held directly by MRCF3 Service (SW) Pty Ltd as trustee of MRCF3 (SW) Trust. The Reporting Person is the sole beneficiary of MRCF3 (SW) Trust and exercises sole voting and dispositive power over the securities described, held by MRCF3 Service (SW) Pty Ltd. The Securities are held directly by MHC Fund Services B Pty Ltd as trustee for MHC Hostplus Co-Investment Trust. The Reporting Person is the sole beneficiary of MHC Hostplus Co-Investment Trust and exercises shared voting and dispositive power over the securities described, held by MHC Fund Services B Pty Ltd. The Securities are held directly by BB6 SERVICE (HP) COINVESTMENT TRUSCO PTY LTD as trustee of BCP (HP) Co- Investment Trust. The Reporting Person is the sole beneficiary of BCP (HP) Co- Investment Trust and exercises sole voting and dispositive power over the securities described, held by BB6 SERVICE (HP) COINVESTMENT TRUSCO PTY LTD.
Indirect common shares via BB6 SERVICE (HP) 3,349,853 shares Held by BB6 SERVICE (HP) COINVESTMENT TRUSCO PTY LTD atf BCP (HP) Co-Investment Trust
Indirect common shares via MRCF3 (HP) Trust 2,655,139 shares Held by MRCF3 Service (HP) Pty Ltd atf MRCF 3 (HP) Trust
Indirect common shares via MRCF3 (SW) Trust 837,638 shares Held by MRCF3 Service (SW) Pty Ltd atf MRCF 3 (SW) Trust
Indirect common shares via MHC Hostplus Co-Investment Trust 783,330 shares Held by MHC Fund Services B Pty Ltd as trustee
Warrant exercise price <money>$0.5891</money> per share Exercise price for all listed warrants over common stock
Warrant underlying shares example 37,858 shares Underlying common shares for one MHC Hostplus Co-Investment Trust warrant expiring 2031-10-04
Latest warrant expiration <date>2031-10-04</date> Expiration date for several warrant series over common stock
CDI ratio 10 CDIs per share Each common share corresponds to 10 Chess Depositary Interests traded on ASX
Chess Depositary Interests ("CDIs") financial
"Each share of common stock corresponding to 10 Chess Depositary Interests ("CDIs")."
warrant (right to buy) financial
"security_title: "Warrant (right to buy)" over EBR Systems common stock."
exercise price financial
"conversion_or_exercise_price: "0.5891" as the exercise price for warrants."
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.
voting and dispositive power financial
"exercises sole voting and dispositive power over the securities described."
sole beneficiary financial
"The Reporting Person is the sole beneficiary of MRCF3 (HP) Trust."
Australian Securities Exchange financial
"The CDIs are traded on the Australian Securities Exchange (the "ASX")."
Australian Securities Exchange is Australia’s main marketplace where stocks, bonds, ETFs and other tradable financial instruments are bought and sold. Think of it as a large, regulated marketplace that shows current prices, matches buyers and sellers, and enforces rules to keep trading fair and orderly—information and liquidity from the exchange directly affect how easy it is to trade an investment and how its market price is determined.
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FAQ

What does the EBR Systems (EBRCZ) Form 3 filing report?

The Form 3 reports Host-Plus Pty Ltd, as trustee for the HOSTPLUS Pooled Superannuation Trust, as a more than ten percent beneficial owner of EBR Systems, listing existing indirect holdings of common stock and warrants without disclosing any new purchases, sales, or option exercises.

How many EBR Systems common shares are held through BB6 SERVICE (HP) Co-Investment Trust?

The filing shows 3,349,853 shares of EBR Systems common stock held indirectly through BB6 SERVICE (HP) COINVESTMENT TRUSCO PTY LTD atf BCP (HP) Co-Investment Trust, with Host-Plus Pty Ltd identified as the sole beneficiary exercising sole voting and dispositive power over these securities.

What other major indirect EBR Systems shareholdings does Host-Plus report?

Host-Plus reports 2,655,139 shares of common stock held via MRCF3 Service (HP) Pty Ltd atf MRCF 3 (HP) Trust, 837,638 shares via MRCF3 Service (SW) Pty Ltd atf MRCF 3 (SW) Trust, and 783,330 shares via MHC Fund Services B Pty Ltd as trustee for MHC Hostplus Co-Investment Trust.

What warrant positions over EBR Systems stock are disclosed in this Form 3?

The filing lists multiple warrants over EBR Systems common stock with an exercise price of $0.5891 per share and underlying share amounts such as 37,858, 17,706, 29,529, 48,214, and 47,910, expiring between 2029-08-26 and 2031-10-04, all held indirectly through related trusts.

How are EBR Systems shares represented and traded according to the Form 3?

Each share of EBR Systems common stock corresponds to 10 Chess Depositary Interests, or CDIs. These CDIs are traded on the Australian Securities Exchange and are held by CHESS Depositary Nominees Pty Limited, a subsidiary of ASX Limited, which operates the exchange.

Does the Host-Plus Form 3 show any buying or selling of EBR Systems shares?

No, the Form 3 lists existing indirect holdings of common stock and warrants only. Transaction fields indicate holding entries, and the summary data show no buy, sell, exercise, gift, or restructuring transactions reported for the period covered by this initial ownership statement.
SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
Host-Plus Pty Ltd as trustee for the HOSTPLUS Pooled Superannuation Trust

(Last)(First)(Middle)
LEVEL 9 114 WILLIAM STREET

(Street)
MELBOURNEVICTORIA3000

(City)(State)(Zip)

AUSTRALIA

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
06/29/2026
3. Issuer Name and Ticker or Trading Symbol
EBR Systems, Inc. [ NONE ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
DirectorX10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock2,655,139(1)IBy MRCF3 Service (HP) Pty Ltd atf MRCF 3 (HP) Trust(2)
Common Stock837,638(1)IBy MRCF3 Service (SW) Pty Ltd atf MRCF 3 (SW) Trust(3)
Common Stock783,330(1)IBy MHC Fund Services B Pty Ltd as trustee for MHC Hostplus Co-Investment Trust(4)
Common Stock3,349,853(1)IBy BB6 SERVICE (HP) COINVESTMENT TRUSCO PTY LTD atf BCP (HP) Co- Investment Trust(5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Warrant (right to buy)08/26/201908/26/2029Common Stock47,235$0.5891IBy MRCF3 Service (HP) Pty Ltd atf MRCF 3 (HP) Trust(2)
Warrant (right to buy)03/12/202003/12/2030Common Stock47,235$0.5891IBy MRCF3 Service (HP) Pty Ltd atf MRCF 3 (HP) Trust(2)
Warrant (right to buy)02/12/202102/12/2031Common Stock18,894$0.5891IBy MRCF3 Service (HP) Pty Ltd atf MRCF 3 (HP) Trust(2)
Warrant (right to buy)06/25/202106/25/2031Common Stock47,910$0.5891IBy MRCF3 Service (HP) Pty Ltd atf MRCF 3 (HP) Trust(2)
Warrant (right to buy)10/04/202110/04/2031Common Stock48,214$0.5891IBy MRCF3 Service (HP) Pty Ltd atf MRCF 3 (HP) Trust(2)
Warrant (right to buy)08/26/201908/26/2029Common Stock29,529$0.5891IBy MRCF3 Service (SW) Pty Ltd atf MRCF 3 (SW) Trust(3)
Warrant (right to buy)03/12/202003/12/2030Common Stock29,529$0.5891IBy MRCF3 Service (SW) Pty Ltd atf MRCF 3 (SW) Trust(3)
Warrant (right to buy)02/12/202102/12/2031Common Stock11,811$0.5891IBy MRCF3 Service (SW) Pty Ltd atf MRCF 3 (SW) Trust(3)
Warrant (right to buy)06/25/202106/25/2031Common Stock15,734$0.5891IBy MRCF3 Service (SW) Pty Ltd atf MRCF 3 (SW) Trust(3)
Warrant (right to buy)10/04/202110/04/2031Common Stock15,834$0.5891IBy MRCF3 Service (SW) Pty Ltd atf MRCF 3 (SW) Trust(3)
Warrant (right to buy)08/26/201908/26/2029Common Stock17,706$0.5891IBy MHC Fund Services B Pty Ltd as trustee for MHC Hostplus Co-Investment Trust(4)
Warrant (right to buy)03/12/202003/12/2030Common Stock17,706$0.5891IBy MHC Fund Services B Pty Ltd as trustee for MHC Hostplus Co-Investment Trust(4)
Warrant (right to buy)02/12/202102/12/2031Common Stock7,082$0.5891IBy MHC Fund Services B Pty Ltd as trustee for MHC Hostplus Co-Investment Trust(4)
Warrant (right to buy)06/25/202106/25/2031Common Stock37,858$0.5891IBy MHC Fund Services B Pty Ltd as trustee for MHC Hostplus Co-Investment Trust(4)
Warrant (right to buy)10/04/202110/04/2031Common Stock37,858$0.5891IBy MHC Fund Services B Pty Ltd as trustee for MHC Hostplus Co-Investment Trust(4)
Explanation of Responses:
1. Represents shares of the Issuer's common stock, with each share of common stock corresponding to 10 Chess Depositary Interests ("CDIs"). The CDIs are traded on the Australian Securities Exchange (the "ASX") and are held by CHESS Depositary Nominees Pty, Limited, a subsidiary of ASX Limited, the company that operates the ASX.
2. The Securities are held directly by MRCF3 Service (HP) Pty Ltd as trustee of MRCF3 (HP) Trust. The Reporting Person is the sole beneficiary of MRCF3 (HP) Trust and exercises sole voting and dispositive power over the securities described, held by MRCF3 Service (HP) Pty Ltd.
3. The Securities are held directly by MRCF3 Service (SW) Pty Ltd as trustee of MRCF3 (SW) Trust. The Reporting Person is the sole beneficiary of MRCF3 (SW) Trust and exercises sole voting and dispositive power over the securities described, held by MRCF3 Service (SW) Pty Ltd.
4. The Securities are held directly by MHC Fund Services B Pty Ltd as trustee for MHC Hostplus Co-Investment Trust. The Reporting Person is the sole beneficiary of MHC Hostplus Co-Investment Trust and exercises shared voting and dispositive power over the securities described, held by MHC Fund Services B Pty Ltd.
5. The Securities are held directly by BB6 SERVICE (HP) COINVESTMENT TRUSCO PTY LTD as trustee of BCP (HP) Co- Investment Trust. The Reporting Person is the sole beneficiary of BCP (HP) Co- Investment Trust and exercises sole voting and dispositive power over the securities described, held by BB6 SERVICE (HP) COINVESTMENT TRUSCO PTY LTD.
/s/ Greg Clerk, as duly appointed attorney for Host-Plus Pty Limited as trustee of the Hostplus Pooled Superannuation Trust, having no notice of revocation of the power of attorney dated 6 December 202407/07/2026
/s/ Amanda Brodie, as duly appointed attorney for Host-Plus Pty Limited as trustee of the Hostplus Pooled Superannuation Trust, having no notice of revocation of the power of attorney dated 6 December 202407/07/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)