KLEMP WALTER V (CIK 938419) reported 13 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-24). Recent activity: Buy MBRX (150 shares), Sell MBRX (37 shares), Buy MBRX (360 shares), Sell MBRX (88 shares), Buy MBRX (28,750 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-24 | Moleculin Biotech, Inc. (MBRX) | CEO and President | Buy | 150 | $0 |
| 2026-06-24 | Moleculin Biotech, Inc. (MBRX) | CEO and President | Sell | 37 | $107 |
| 2026-06-24 | Moleculin Biotech, Inc. (MBRX) | CEO and President | Buy | 360 | $0 |
| 2026-06-24 | Moleculin Biotech, Inc. (MBRX) | CEO and President | Sell | 88 | $275 |
| 2025-11-06 | Moleculin Biotech, Inc. (MBRX) | CEO and President | Buy | 28,750 | $0 |
| 2025-11-06 | Moleculin Biotech, Inc. (MBRX) | CEO and President | Sell | 7,001 | $3,500 |
| 2025-06-23 | Moleculin Biotech, Inc. (MBRX) | CEO and President | Buy | 3,750 | $0 |
| 2025-06-23 | Moleculin Biotech, Inc. (MBRX) | CEO and President | Sell | 914 | $247 |
| 2025-06-23 | Moleculin Biotech, Inc. (MBRX) | CEO and President | Buy | 8,990 | $0 |
| 2025-06-23 | Moleculin Biotech, Inc. (MBRX) | CEO and President | Sell | 2,190 | $591 |
| 2025-06-23 | Moleculin Biotech, Inc. (MBRX) | CEO and President | Buy | 675,675 | $0 |
| 2025-06-18 | Moleculin Biotech, Inc. (MBRX) | CEO and President | Buy | 1,667 | $0 |
| 2025-06-18 | Moleculin Biotech, Inc. (MBRX) | CEO and President | Sell | 406 | $280 |
Source: SEC Form 4 filings · as of 2026-06-24