Comparable stake leader
Balaton Aktiengesellschaft Deutsche
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001858685.
Comparable stake leader
Balaton Aktiengesellschaft Deutsche
Disclosed value leader
Rosalind Advisors, Inc.
Comparable rows
17/34
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
17 of 34 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 |
|---|---|---|---|---|---|
| Balaton Aktiengesellschaft Deutsche |
13D/G
3/4/5
Deutsche Balaton Aktiengesellschaft · 10%+ Owner
|
20%
|
$2,194,918
2,552,230 shares
|
+$1,800,278 | 16 Sep 2025 |
| Rosalind Advisors, Inc. |
13D/G
13F
Company
|
9.9%
|
$11,817,810
16,188,781 shares
|
-$429,412 | 31 Dec 2025 |
| Orin Hirschman |
13D/G
|
7.9%
|
$741,320
915,210 shares
|
+$24,824 | 31 Dec 2025 |
| Laurence W. Lytton |
13D/G
LYTTON LAURENCE W
|
3.5%
|
$254,561
306,700 shares
|
$0 | 31 Mar 2025 |
| Unternehmensberatung Aktiengesellschaft Delphi |
3/4/5
10%+ Owner
|
0.28%
|
$394,640
458,884 shares
|
— | 16 Sep 2025 |
| Vv Beteiligungen Aktiengesellschaft |
3/4/5
10%+ Owner
|
0.28%
|
$394,640
458,884 shares
|
— | 16 Sep 2025 |
| Wilhelm Konrad Thomas Zours |
3/4/5
10%+ Owner
|
0.28%
|
$394,640
458,884 shares
|
— | 16 Sep 2025 |
| Maria del Pilar de la Huerta Martinez |
3/4/5
Director, 10%+ Owner
|
0.24%
|
$344,000
400,000 shares
|
— | 16 Sep 2025 |
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 27 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 1-18 of 18 reporting-owner rows connected to Biofrontera Inc.. Open a relationship link for the CIK-to-CIK filing trail.
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Hermann Luebbert | BFRI | Common Stock | Options Exercise | 90% | 137,500 | 290,211 | 05 Mar 2026 | Direct | ||
| Hermann Luebbert | BFRI | Restricted Stock Units | Options Exercise | -100% | -137,500 | 0 | 05 Mar 2026 | Direct | ||
| Eugene Frederick Leffler III | BFRI | Common Stock | Options Exercise | 100% | 87,500 | 175,000 | 05 Mar 2026 | Direct | ||
| Eugene Frederick Leffler III | BFRI | Restricted Stock Units | Options Exercise | -100% | -87,500 | 0 | 05 Mar 2026 | Direct | ||
| Kevin D. Weber | BFRI | Employee stock option (right to buy) | Award | 20,000 | 20,000 | 04 Mar 2026 | Direct | |||
| Hermann Luebbert | BFRI | Employee stock option (right to buy) | Award | 125,000 | 125,000 | 04 Mar 2026 | Direct | |||
| Hermann Luebbert | BFRI | Restricted Stock Units | Award | 125,000 | 125,000 | 04 Mar 2026 | Direct | |||
| Eugene Frederick Leffler III | BFRI | Employee stock option (right to buy) | Award | 62,500 | 62,500 | 04 Mar 2026 | Direct | |||
| Eugene Frederick Leffler III | BFRI | Restricted Stock Units | Award | 62,500 | 62,500 | 04 Mar 2026 | Direct | |||
| Heikki Lanckriet | BFRI | Employee stock option (right to buy) | Award | 20,000 | 20,000 | 04 Mar 2026 | Direct | |||
| Beth J. Hoffman | BFRI | Employee stock option (right to buy) | Award | 20,000 | 20,000 | 04 Mar 2026 | Direct | |||
| George Patrick Jones | BFRI | Employee stock option (right to buy) | Award | 50,000 | 50,000 | 04 Mar 2026 | Direct | |||
| George Patrick Jones | BFRI | Restricted Stock Units | Award | 50,000 | 50,000 | 04 Mar 2026 | Direct | |||
| John J. Borer III | BFRI | Employee stock option (right to buy) | Award | 20,000 | 20,000 | 04 Mar 2026 | Direct | |||
| Biofrontera AG | BFRI | Series D Convertible Preferred Stock | Purchase | 3,019 | 3,019 | 16 Sep 2025 | Direct | |||
| George Patrick Jones | BFRI | Employee stock option (right to buy) | Award | 100,000 | 100,000 | 15 Sep 2025 | Direct | |||
| Hermann Luebbert | BFRI | Common Stock | Options Exercise | 904% | 137,500 | 152,711 | 10 Sep 2025 | Direct | ||
| Hermann Luebbert | BFRI | Restricted Stock Units | Options Exercise | -50% | -137,500 | 137,500 | 10 Sep 2025 | Direct | ||
| Eugene Frederick Leffler III | BFRI | Common Stock | Options Exercise | 87,500 | 87,500 | 10 Sep 2025 | Direct | |||
| Eugene Frederick Leffler III | BFRI | Restricted Stock Units | Options Exercise | -50% | -87,500 | 87,500 | 10 Sep 2025 | Direct | ||
| Kevin D. Weber | BFRI | Employee stock option (right to buy) | Award | 20,000 | 20,000 | 22 Jul 2025 | Direct | |||
| Hermann Luebbert | BFRI | Employee stock option (right to buy) | Award | 125,000 | 125,000 | 22 Jul 2025 | Direct | |||
| Hermann Luebbert | BFRI | Restricted Stock Units | Award | 125,000 | 125,000 | 22 Jul 2025 | Direct | |||
| Eugene Frederick Leffler III | BFRI | Employee stock option (right to buy) | Award | 62,500 | 62,500 | 22 Jul 2025 | Direct | |||
| Eugene Frederick Leffler III | BFRI | Restricted Stock Units | Award | 62,500 | 62,500 | 22 Jul 2025 | Direct | |||
| Heikki Lanckriet | BFRI | Employee stock option (right to buy) | Award | 20,000 | 20,000 | 22 Jul 2025 | Direct | |||
| Beth J. Hoffman | BFRI | Employee stock option (right to buy) | Award | 20,000 | 20,000 | 22 Jul 2025 | Direct | |||
| John J. Borer III | BFRI | Employee stock option (right to buy) | Award | 20,000 | 20,000 | 22 Jul 2025 | Direct |