Foster Jonathan P. (CIK 1545414) reported 14 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-24). Recent activity: Buy MBRX (109 shares), Sell MBRX (31 shares), Buy MBRX (174 shares), Sell MBRX (41 shares), Buy MBRX (20,625 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-24 | Moleculin Biotech, Inc. (MBRX) | Chief Financial Officer | Buy | 109 | $0 |
| 2026-06-24 | Moleculin Biotech, Inc. (MBRX) | Chief Financial Officer | Sell | 31 | $89 |
| 2026-06-24 | Moleculin Biotech, Inc. (MBRX) | Chief Financial Officer | Buy | 174 | $0 |
| 2026-06-24 | Moleculin Biotech, Inc. (MBRX) | Chief Financial Officer | Sell | 41 | $128 |
| 2025-11-06 | Moleculin Biotech, Inc. (MBRX) | Chief Financial Officer | Buy | 20,625 | $0 |
| 2025-11-06 | Moleculin Biotech, Inc. (MBRX) | Chief Financial Officer | Sell | 5,023 | $2,512 |
| 2025-07-21 | Volcon, Inc. (VLCN) | Director | Buy | 20,000 | $200,000 |
| 2025-06-23 | Moleculin Biotech, Inc. (MBRX) | Chief Financial Officer | Buy | 2,711 | $0 |
| 2025-06-23 | Moleculin Biotech, Inc. (MBRX) | Chief Financial Officer | Sell | 661 | $178 |
| 2025-06-23 | Moleculin Biotech, Inc. (MBRX) | Chief Financial Officer | Buy | 4,328 | $0 |
| 2025-06-23 | Moleculin Biotech, Inc. (MBRX) | Chief Financial Officer | Sell | 1,054 | $285 |
| 2025-06-23 | Moleculin Biotech, Inc. (MBRX) | Chief Financial Officer | Buy | 270,270 | $0 |
| 2025-06-18 | Moleculin Biotech, Inc. (MBRX) | Chief Financial Officer | Buy | 833 | $0 |
| 2025-06-18 | Moleculin Biotech, Inc. (MBRX) | Chief Financial Officer | Sell | 203 | $140 |
Source: SEC Form 4 filings · as of 2026-06-24