CIK 0001659617 · Non-accelerated filer<br>Smaller reporting company
Moleculin Biotech, Inc.
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- MBRX
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 474671997
- Phone
- 713-300-5160
- Business address
- 5300 MEMORIAL DRIVE, SUITE 950, HOUSTON, TX, 77007
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 32 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-11-04 | KLEMP WALTER V CEO and President | Option exercise · Restricted Stock Units | −28,750 | 2,380,731 | ||
| 2025-11-04 | Foster Jonathan P. Chief Financial Officer | Option exercise | +20,625 | 308,212 | ||
| 2025-11-04 | Foster Jonathan P. Chief Financial Officer | Option exercise | −5,023 | $0.50 | $2K | 303,189 |
| 2025-11-04 | Foster Jonathan P. Chief Financial Officer | Option exercise · Restricted Stock Units | −20,625 | 1,017,695 | ||
| 2025-06-23 | Foster Jonathan P. Chief Financial Officer | Purchase | +270,270 | $0.37 | $100K | 287,587 |
| 2025-06-23 | Foster Jonathan P. Chief Financial Officer | Purchase · Series E Warrants | −810,810 | 1,038,320 | ||
| 2025-06-23 | KLEMP WALTER V CEO and President | Purchase | +675,675 | $0.37 | $250K | 743,607 |
| 2025-06-23 | KLEMP WALTER V CEO and President | Purchase · Series E Warrants | −2,027,025 | 2,409,481 | ||
| 2025-06-22 | Foster Jonathan P. Chief Financial Officer | Option exercise | +4,328 | 18,371 | ||
| 2025-06-22 | Foster Jonathan P. Chief Financial Officer | Shares withheld for taxes | −1,054 | $0.27 | $281 | 17,317 |
| 2025-06-22 | Foster Jonathan P. Chief Financial Officer | Option exercise · Restricted Stock Units | −4,328 | 227,510 | ||
| 2025-06-22 | KLEMP WALTER V CEO and President | Option exercise | +8,990 | 70,122 | ||
| 2025-06-22 | KLEMP WALTER V CEO and President | Shares withheld for taxes | −2,190 | $0.27 | $585 | 67,932 |
| 2025-06-22 | KLEMP WALTER V CEO and President | Option exercise · Restricted Stock Units | −8,990 | 382,456 | ||
| 2025-06-22 | PICKER DONALD H Chief Science Officer | Option exercise | +1,766 | 10,582 | ||
| 2025-06-22 | PICKER DONALD H Chief Science Officer | Shares withheld for taxes | −430 | $0.27 | $115 | 10,152 |
| 2025-06-22 | PICKER DONALD H Chief Science Officer | Option exercise · Restricted Stock Units | −1,766 | 104,258 | ||
| 2025-06-20 | Foster Jonathan P. Chief Financial Officer | Option exercise | +2,711 | 14,704 | ||
| 2025-06-20 | Foster Jonathan P. Chief Financial Officer | Shares withheld for taxes | −661 | $0.27 | $176 | 14,043 |
| 2025-06-20 | Foster Jonathan P. Chief Financial Officer | Option exercise · Restricted Stock Units | −2,711 | 231,838 |
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