Fortress Biotech, Inc. (CIK 1429260) reported 5 SEC Form 4 insider transactions across 3 companies over the past 18 months (most recent 2026-01-06). Recent activity: Buy ATXI (111,209 shares), Buy MBIO (278,385 shares), Buy MBIO (59,334 shares), Sell CKPT (100,000 shares), Sell CKPT (6.1M shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-06 | AVENUE THERAPEUTICS, INC. (ATXI) | 10% Owner | Buy | 111,209 | $0 |
| 2026-01-05 | MUSTANG BIO, INC. (MBIO) | 10% Owner | Buy | 278,385 | $0 |
| 2025-10-01 | MUSTANG BIO, INC. (MBIO) | 10% Owner | Buy | 59,334 | $0 |
| 2025-06-03 | Checkpoint Therapeutics, Inc. (CKPT) | 10% Owner | Sell | 100,000 | $129,000 |
| 2025-06-03 | Checkpoint Therapeutics, Inc. (CKPT) | 10% Owner | Sell | 6.1M | $25.1M |
来源：SEC Form 4 申报文件 · 截至 2026-01-06