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© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.

Home/Companies/Moleculin Biotech, Inc.

Moleculin Biotech, Inc.

40 insider trades tracked

MBRX

Insider trades

40

Bought (open market)

$0

Sold (open market)

$0

Unique insiders

8

Recent insider trades

Most recent Form 4 filings for Moleculin Biotech, Inc..

Foster Jonathan P.bought879,999 shares ofMBRXAug 3 · filed Aug 5Details
Foster Jonathan P.bought293,333 shares ofMBRXAug 3 · filed Aug 5Details
PICKER DONALD Hbought519,999 shares ofMBRXAug 3 · filed Aug 5Details

Insiders at this company

Executives and directors who have filed Form 4s.

KLEMP WALTER V16 trades
Foster Jonathan P.10 trades
PICKER DONALD H9 trades
CANNON MICHAEL D1 trades
Cermak Elizabeth1 trades
Climaco John M1 trades
George Robert E.1 trades
Yan Joy1 trades

Explore insider screeners

Latest CEO & CFO Purchases Latest CEO & CFO Sales Director Purchases Officer Purchases Top Purchases This Week Top Sales This Week Top Officer Buys (Month)10% Owner Filings 10b5-1 Planned Trades Discretionary Trades Buy/Sell Ratios Politician-Insider Overlap

PICKER DONALD H

bought

173,333 shares of

Aug 3 · filed Aug 5Details

KLEMP WALTER Vgranted1,599,999 shares ofMBRXAug 3 · filed Aug 5Details

KLEMP WALTER Vbought533,333 shares ofMBRXAug 3 · filed Aug 5Details

KLEMP WALTER Vtax-withheld88 shares ofMBRXat $3.12$275Jun 22 · filed Jun 24Details

KLEMP WALTER Vexercised360 shares ofMBRXJun 22 · filed Jun 24Details

Foster Jonathan P.tax-withheld41 shares ofMBRXat $3.12$128Jun 22 · filed Jun 24Details

Foster Jonathan P.exercised174 shares ofMBRXJun 22 · filed Jun 24Details

PICKER DONALD Htax-withheld21 shares ofMBRXat $3.12$66Jun 22 · filed Jun 24Details

PICKER DONALD Hexercised71 shares ofMBRXJun 22 · filed Jun 24Details

KLEMP WALTER Vtax-withheld37 shares ofMBRXat $2.88$107Jun 20 · filed Jun 24Details

KLEMP WALTER Vexercised150 shares ofMBRXJun 20 · filed Jun 24Details

Foster Jonathan P.tax-withheld31 shares ofMBRXat $2.88$89Jun 20 · filed Jun 24Details

Foster Jonathan P.exercised109 shares ofMBRXJun 20 · filed Jun 24Details

PICKER DONALD Htax-withheld13 shares ofMBRXat $2.88$37Jun 20 · filed Jun 24Details

PICKER DONALD Hexercised44 shares ofMBRXJun 20 · filed Jun 24Details

KLEMP WALTER Vgranted750,000 shares ofMBRXNov 12, 2025 · filed Nov 14, 2025Details

KLEMP WALTER Vgranted830,000 shares ofMBRXNov 12, 2025 · filed Nov 14, 2025Details

Yan Joygranted150,000 shares ofMBRXNov 12, 2025 · filed Nov 14, 2025Details

George Robert E.granted150,000 shares ofMBRXNov 12, 2025 · filed Nov 14, 2025Details

Climaco John Mgranted150,000 shares ofMBRXNov 12, 2025 · filed Nov 14, 2025Details

Foster Jonathan P.granted400,000 shares ofMBRXNov 12, 2025 · filed Nov 14, 2025Details

Foster Jonathan P.granted600,000 shares ofMBRXNov 12, 2025 · filed Nov 14, 2025Details

Cermak Elizabethgranted150,000 shares ofMBRXNov 12, 2025 · filed Nov 14, 2025Details

PICKER DONALD Hgranted200,000 shares ofMBRXNov 12, 2025 · filed Nov 14, 2025Details

CANNON MICHAEL Dgranted150,000 shares ofMBRXNov 12, 2025 · filed Nov 14, 2025Details

KLEMP WALTER Vtax-withheld7,001 shares ofMBRXat $0.497$3KNov 4, 2025 · filed Nov 6, 2025Details

KLEMP WALTER Vexercised28,750 shares ofMBRXNov 4, 2025 · filed Nov 6, 2025Details

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