Moleculin Biotech Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Moleculin Biotech Inc.
- Ownership
- Public
- Status
- Active
- Headquarters country
- United States
- Ticker symbol
- MBRX
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0001659617
Board of directors
-
Elizabeth Cermak · DirectorSince 2023
-
John M. Climaco · DirectorSince 2023
-
Joy Yan · DirectorSince 2023
-
Michael D. Cannon · DirectorSince 2023
-
Robert E. George · DirectorSince 2023
-
Walter Klemp V · Director · CEO and PresidentSince 2023
Chief executives
Walter Klemp V
· CEO and President
Dates unknown
Board connections
2 of this board's directors also sit on 2 other boards.
- via Walter Klemp V
- via John M. Climaco
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 3 purchases by 3 insiders
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 3, 2026 | Jonathan P. Foster Officer (Chief Financial Officer) | Open-market purchase | +293,333 | — | — |
| Aug 3, 2026 | Walter Klemp V Director, Officer (CEO and President) | Open-market purchase | +533,333 | — | — |
| Aug 3, 2026 | PICKER DONALD H Officer (Chief Science Officer) | Open-market purchase | +173,333 | — | — |
| Jun 22, 2026 | PICKER DONALD H Officer (Chief Science Officer) | Option exercise | +71 | — | — |
| Jun 22, 2026 | Walter Klemp V Director, Officer (CEO and President) | Option exercise | +360 | — | — |
| Jun 22, 2026 | Jonathan P. Foster Officer (Chief Financial Officer) | Option exercise | +174 | — | — |
| Jun 22, 2026 | PICKER DONALD H Officer (Chief Science Officer) | Shares withheld for tax | −21 | $3.12 | $66 |
| Jun 22, 2026 | Walter Klemp V Director, Officer (CEO and President) | Shares withheld for tax | −88 | $3.12 | $275 |
| Jun 22, 2026 | Jonathan P. Foster Officer (Chief Financial Officer) | Shares withheld for tax | −41 | $3.12 | $128 |
| Jun 20, 2026 | PICKER DONALD H Officer (Chief Science Officer) | Option exercise | +44 | — | — |
| Jun 20, 2026 | Walter Klemp V Director, Officer (CEO and President) | Option exercise | +150 | — | — |
| Jun 20, 2026 | Jonathan P. Foster Officer (Chief Financial Officer) | Option exercise | +109 | — | — |
| Jun 20, 2026 | PICKER DONALD H Officer (Chief Science Officer) | Shares withheld for tax | −13 | $2.88 | $37 |
| Jun 20, 2026 | Walter Klemp V Director, Officer (CEO and President) | Shares withheld for tax | −37 | $2.88 | $107 |
| Jun 20, 2026 | Jonathan P. Foster Officer (Chief Financial Officer) | Shares withheld for tax | −31 | $2.88 | $89 |
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