Comparable stake leader
BlackRock, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001506184.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
0/33
Latest evidence
31 Mar 2026
Ownership snapshot
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.
Quick read
0 of 33 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.
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
Company
|
—
class O/S missing
|
$284,635
810,926 shares
|
— | 31 Mar 2026 |
| UBS Group AG |
13F
Company
|
—
class O/S missing
|
$262,833
748,811 shares
|
— | 31 Mar 2026 |
| Meridian Wealth Management, LLC |
13F
Company
|
—
class O/S missing
|
$157,792
449,550 shares
|
— | 31 Mar 2026 |
| TWO SIGMA INVESTMENTS, LP |
13F
Company
|
—
class O/S missing
|
$43,791
124,760 shares
|
— | 31 Mar 2026 |
| CITADEL ADVISORS LLC |
13F
Company
|
—
class O/S missing
|
$27,439
78,174 shares
|
— | 31 Mar 2026 |
| XTX Topco Ltd |
13F
Company
|
—
class O/S missing
|
$25,917
73,837 shares
|
— | 31 Mar 2026 |
| TWO SIGMA SECURITIES, LLC |
13F
Company
|
—
class O/S missing
|
$18,810
53,590 shares
|
— | 31 Mar 2026 |
| Virtu Financial LLC |
13F
Company
|
—
class O/S missing
|
$15,000
41,353 shares
|
— | 31 Mar 2026 |
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 buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 24 Jun 2025.
| 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
Showing 1-8 of 8 reporting-owner rows connected to IMMUTEP Ltd. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Christian Mueller | Chief Development Officer | Mixed | 18 Mar 2026 | |||
| Russell John Howard | Director | Mixed | 18 Mar 2026 | |||
| Frederic Joseph Daniel Triebel | Director | Mixed | 18 Mar 2026 | |||
| Stephan Karel Gerard Winckels | Chief Medical Officer | Mixed | 18 Mar 2026 | |||
| Pete A. Meyers | Director | Mixed | 18 Mar 2026 | |||
| Deanne Diem Miller | Chief Operating Officer | Mixed | 18 Mar 2026 | |||
| Marc Voigt | Chief Executive Officer, Chief Financial Officer, Executive Director, Director | Mixed | 18 Mar 2026 | |||
| Elisabeth Amanda Boyce | Director | Mixed | 18 Mar 2026 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Elisabeth Amanda Boyce | IMMP | Ordinary Shares | 0 | 423,288 | 18 Mar 2026 | Direct | ||||
| Marc Voigt | IMMP | Ordinary Shares | 0 | 450 | 18 Mar 2026 | Direct | ||||
| Marc Voigt | IMMP | Ordinary Shares | 0 | 85,250 | 18 Mar 2026 | By JP Morgan Nominees Australia Limited | ||||
| Marc Voigt | IMMP | Ordinary Shares | 0 | 14,791,695 | 18 Mar 2026 | Direct | ||||
| Deanne Diem Miller | IMMP | Ordinary Shares | 0 | 2,867,305 | 18 Mar 2026 | Direct | ||||
| Pete A. Meyers | IMMP | Ordinary Shares | 0 | 4,052,173 | 18 Mar 2026 | Direct | ||||
| Stephan Karel Gerard Winckels | IMMP | Ordinary Shares | 0 | 92,935 | 18 Mar 2026 | Direct | ||||
| Frederic Joseph Daniel Triebel | IMMP | Ordinary Shares | 0 | 170,610 | 18 Mar 2026 | Direct | ||||
| Frederic Joseph Daniel Triebel | IMMP | Ordinary Shares | 0 | 11,353,764 | 18 Mar 2026 | Direct | ||||
| Russell John Howard | IMMP | Ordinary Shares | 0 | 1,717,977 | 18 Mar 2026 | By Regulus Star Pty Ltd | ||||
| Christian Mueller | IMMP | Ordinary Shares | 0 | 3,774,048 | 18 Mar 2026 | Direct |