Comparable stake leader
Regal Partners Funds Management Pty Ltd
SEC ownership of EBR Systems, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001347123.
Disclosed value leader
Exor N.V.
Comparable rows
11/22
Latest evidence
30 Jun 2026
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Regal Partners Funds Management Pty Ltd
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
11 of 22
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Regal Partners Funds Management Pty Ltd
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001347123
- Issuer location
- Sunnyvale, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of EBR Systems, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Regal Partners Funds Mana...
Disclosed value leader
Exor N.V.
Comparable rows
11/22
Latest evidence
30 Jun 2026
13D/G
3/4/5
13F
Lead comparable stake: 12%
11 rows are not safely comparable across share classes.
13D/G row: Regal Partners Funds Management Pty Ltd
Showing 1-8 of 22 holder rows.
Quick read
Regal Partners Funds Management Pty Ltd leads the comparable SEC ownership view at 12%.
11 of 22 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Regal Partners Funds Management Pty Ltd's linked filing trail.
Comparable ownership
Top 5
Regal Partners Funds Management P...
12%
Host-Plus Pty Ltd as trustee for ...
11%
M.H. Carnegie & Co. Pty Ltd
6.3%
H.E.S.T. Australia Ltd. as truste...
5.3%
Split Rock Partners, LP
3.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 22 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Regal Partners Funds Management Pty Ltd |
13D/G
Regal Partners Funds Management Pty Limited
|
12%
|
—
87,510,124 shares
|
$0 | 30 Jun 2026 |
| Host-Plus Pty Ltd as trustee for the HOSTPLUS Pooled Superannuation Trust |
3/4/5
13D/G
10%+ Owner
|
11%
from 13D/G
|
$23,109,790
7,625,960 shares
|
— | 29 Jun 2026 |
| M.H. Carnegie & Co. Pty Ltd |
13D/G
Mark H. Carnegie
|
6.3%
|
—
4,765,108 shares
|
$0 | 30 Jun 2026 |
| H.E.S.T. Australia Ltd. as trustee for HESTA |
13D/G
H.E.S.T. Australia Ltd.
|
5.3%
|
—
4,031,904 shares
|
$0 | 30 Jun 2026 |
| Split Rock Partners, LP |
13D/G
Michael Gorman
|
3.9%
|
—
2,937,570 shares
|
$0 | 30 Jun 2026 |
| Exor N.V. |
13F
Company
|
586%
|
$5,055,509,678
185,932,684 shares
|
— | 30 Jun 2026 |
| ORBIMED ADVISORS LLC |
13F
Company
|
18%
|
$30,275,391
5,680,186 shares
|
— | 30 Jun 2026 |
| GAGNON SECURITIES LLC |
13F
Company
|
2.4%
|
$11,697,619
765,179 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 20 Aug 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-12 of 12 reporting-owner rows connected to EBR Systems, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
12
Largest Forms 3/4/5 holder
Host-Plus Pty Ltd as trustee for the HOSTPLUS Pooled Superannuation Trust
Net 12M change
$0
Latest report
29 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Host-Plus Pty Ltd as trustee for the HOSTPLUS Pooled Superannuation Trust | 10%+ Owner | $23,109,790 | Mixed | 29 Jun 2026 | ||
| Mark H. Carnegie | 10%+ Owner | $22,197,343 | Mixed | 30 Sep 2024 | ||
| Christopher Nave | Director | $11,298,488 | Mixed | 06 May 2026 | ||
| Allan R. Will | Director | $831,211 | Mixed | 06 May 2026 | ||
| Bronwyn Evans | Director | $308,694 | Mixed | 29 Jun 2026 | ||
| Michael Hendricksen | Chief Operating Officer | Mixed | 24 Jun 2026 | |||
| Karen Drexler | Director | Mixed | 06 May 2026 | |||
| David Steinhaus | Director | Mixed | 06 May 2026 | |||
| John McCutcheon | President and CEO, Director | Mixed | 06 May 2026 | |||
| Erik Strandberg | Chief Commercial Officer | Mixed | 24 Jun 2026 | |||
| Trevor J. Moody | Director | Mixed | 06 May 2026 | |||
| Gary W. Doherty | Chief Financial Officer | Mixed | 24 Jun 2026 |
Recent insider transactions for EBR Systems, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Bronwyn Evans | EBRCZ | Common Stock | Exercise of in-the-money or at-the-money derivative security | 32.4% | 27,579 | 112,737 | 29 Jun 2026 | By Bronwyn Evans and Peter Douglas Gordon | ||
| Bronwyn Evans | EBRCZ | Subscription Rights (right to buy) | Exercise of in-the-money or at-the-money derivative security | -100% | -27,579 | 0 | 29 Jun 2026 | By Bronwyn Evans and Peter Douglas Gordon | ||
| Bronwyn Evans | EBRCZ | Subscription Rights (right to buy) | Exercise of in-the-money or at-the-money derivative security | 27,579 | 27,579 | 29 Jun 2026 | By Bronwyn Evans and Peter Douglas Gordon | |||
| Erik Strandberg | EBRCZ | Stock Option (right to buy) | Award | 50,000 | 50,000 | 24 Jun 2026 | Direct | |||
| Michael Hendricksen | EBRCZ | Stock Option (right to buy) | Award | 54,000 | 54,000 | 24 Jun 2026 | Direct | |||
| Gary W. Doherty | EBRCZ | Stock Option (right to buy) | Award | 60,000 | 60,000 | 24 Jun 2026 | Direct | |||
| Bronwyn Evans | EBRCZ | Common Stock | Exercise of in-the-money or at-the-money derivative security | 54.4% | 30,000 | 85,158 | 15 Jun 2026 | By Bronwyn Evans and Peter Douglas Gordon | ||
| Allan R. Will | Stock Option (right to buy) | Award | 42,106 | 42,106 | 06 May 2026 | Direct | ||||
| David Steinhaus | Stock Option (right to buy) | Award | 34,211 | 34,211 | 06 May 2026 | Direct | ||||
| Christopher Nave | Stock Option (right to buy) | Award | 34,211 | 34,211 | 06 May 2026 | Direct | ||||
| Trevor J. Moody | Stock Option (right to buy) | Award | 34,211 | 34,211 | 06 May 2026 | Direct | ||||
| John McCutcheon | Stock Option (right to buy) | Award | 188,462 | 188,462 | 06 May 2026 | Direct | ||||
| Bronwyn Evans | Stock Option (right to buy) | Award | 34,211 | 34,211 | 06 May 2026 | Direct | ||||
| Karen Drexler | Stock Option (right to buy) | Award | 34,211 | 34,211 | 06 May 2026 | Direct | ||||
| John McCutcheon | EBRCZ | Common Stock | Options Exercise | 109,100 | 109,100 | 23 Mar 2026 | Direct | |||
| John McCutcheon | EBRCZ | Stock Option (right to buy) | Options Exercise | -6.86% | -109,100 | 1,480,900 | 23 Mar 2026 | Direct | ||
| Allan R. Will | EBRCZ | Common Stock | Options Exercise | 58,500 | 58,500 | 26 Feb 2026 | Direct | |||
| Allan R. Will | EBRCZ | Stock Option (right to buy) | Options Exercise | -100% | -58,500 | 0 | 26 Feb 2026 | Direct |
* marks a reported price that did not pass the local price check.