Form 4 for MBRX Moleculin Biotech, Inc.
Accepted 2025-06-18 00:00:00 ET · period of report 2025-06-16 · accession 0001437749-25-020802 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-06-18 | 2025-06-16 | MBRX | KLEMP WALTER V | CEO, Pres, Dir | M - OptEx | — | +1,667 | 58.7K | +3% | — |
| D | 2025-06-18 | 2025-06-16 | MBRX | KLEMP WALTER V | CEO, Pres, Dir | F - Tax | $0.69 | -406 | 58.3K | -0.7% | -$280.14 |
| D | 2025-06-18 | 2025-06-16 | MBRX | KLEMP WALTER V | CEO, Pres, Dir | M - OptEx | $0.00 | -1,667 | 370.1K | -0.4% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-06-16 | M | A | 1,667 | — | 58,702 | D | — | — | (F1) Restricted stock units convert into common stock on a one-for-one basis. |
| 2 | Common | Common Stock | 2025-06-16 | F | D | 406 | $0.69 | 58,296 | D | — | — | (F2) Shares withheld for payment of taxes upon vesting of restricted stock unit awards |
| 3 | Derivative | Restricted Stock Units | 2025-06-16 | M | D | 1,667 | $0.00 | 370,075 | D | — · — to — | 1,667 Common Stock | (F1) Restricted stock units convert into common stock on a one-for-one basis. (F3) On June 16, 2021, the reporting person was granted 6,668 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date. |