Comparable stake leader
Alta Partners LLC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002039060.
Comparable stake leader
Alta Partners LLC
Disclosed value leader
Pani Corp.
Comparable rows
3/14
Latest evidence
05 Nov 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
3 of 14 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.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Alta Partners LLC |
13D/G
|
19%
Reported 13D/G
· 22 Oct 2026
|
$616,370
258,979 shares
|
$0 | 22 Oct 2026 |
| Fouad Ahmed |
13D/G
AHMED FOUAD
|
11%
Reported 13D/G
· 05 Nov 2026
|
$322,281
152,740 shares
|
-$111,830 | 05 Nov 2026 |
| Pani Corp. |
13D/G
|
4.6%
Reported 13D/G
· 15 Sep 2025
|
$1,160,810
580,405 shares
|
$0 | 15 Sep 2025 |
| Petros Panagiotis Panagiotidis |
3/4/5
Chief Executive Officer, Director
|
—
mixed-class rows
|
$462,002
156,081 shares
mixed-class rows
|
— | 18 Mar 2026 |
| HRT FINANCIAL LP |
13F
Company
|
—
denominator unverified
|
$57,000
84,673 shares
|
— | 30 Jun 2026 |
| Cygnus Capital Advisors, LLC |
13F
Company
|
—
denominator unverified
|
$17,000
25,597 shares
|
— | 30 Jun 2026 |
| TWO SIGMA INVESTMENTS, LP |
13F
Company
|
—
denominator unverified
|
$13,902
20,604 shares
|
— | 30 Jun 2026 |
| TWO SIGMA SECURITIES, LLC |
13F
Company
|
—
denominator unverified
|
$10,131
15,016 shares
|
— | 30 Jun 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
No eligible buy or sell activity is available for this window. No eligible Buy or Sell transactions are available in this dataset since 05 Nov 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 1-4 of 4 reporting-owner rows connected to Robin Energy Ltd.. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Petros Panagiotis Panagiotidis | Chief Executive Officer, Director | $462,002 | Mixed | 18 Mar 2026 | ||
| Theologos Pagiaslis | Chief Financial Officer | Mixed | 18 Mar 2026 | |||
| Dionysios Makris | Director | Mixed | 18 Mar 2026 | |||
| John Paul Syriopoulos | 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Petros Panagiotis Panagiotidis | RBNE | Series B Preferred Stock | 0 | 40,000 | 18 Mar 2026 | By Pelagos Holdings Corp. | ||||
| Petros Panagiotis Panagiotidis | RBNE | Common Stock | 0 | 116,081 | 18 Mar 2026 | By Pani Corp. |