🕵️ Mustang BIO, Inc. ($MBIO)
SEC insider & ownership activity, last 12 months · CIK 1680048 · every row links its SEC filing
Over the last 12 months insiders sold $241 against $238 of open-market buying. Herskowitz Neil sold $238 in discretionary trades (Dec). Fortress Biotech, Inc. added 4.0% → 8.0%. One red-flag 8-K in the window: Delisting notice (3.01), Apr 15, 2026.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $238 (1 lots) · 2 sellers, $241 (2 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Herskowitz Neil | 0 | – | 1 | $238 | Dec 30, 2025 |
| Jin David | 1 | $238 | 0 | – | Dec 30, 2025 |
| Adam J. Chill | 0 | – | 1 | $4 | Dec 30, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Fortress Biotech, Inc. | 8.0% | 13D | Jan 2, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Delisting notice (3.01) | Apr 15, 2026 | filing ↗ |
| Shareholder vote (5.07) | Dec 17, 2025 | filing ↗ |
| Other events (8.01) | Dec 17, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 17, 2025 | filing ↗ |