Skip to content
Insider tapeFilings through Fri, Oct 9
Watchlist
MBRX

Moleculin Biotech (MBRX) stock: insider trades, news & valuation

Quiet
Close · Oct 9, 2026 $0.44 +4.2% on the day -96.6% over 12 months 52-week range $0.39 – $13.00

Share price and insider trades

MBRX closeInsider buyInsider sale
051015NovDecJan 2026FebMarAprMayJunJulAugSepOctBought $0 on 2026-08-03 · Donald H Picker, Jonathan P. Foster, Walter V Klemp
Bought, 12 months$0
Sold, 12 months$0
Insiders buying0
Insiders selling0

Moleculin Biotech insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 0 sold $0 of MBRX stock on the open market.

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day0.3×Last 5 sessions
Insiders' paper profit—On all tracked purchases —

Summary

No open-market purchases or sales by Moleculin Biotech, Inc. insiders were reported in the past 12 months.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Aug 5SEC Walter V KlempCEO, President Buy 533,333564,340 held (+1720%) — $0 — —
Aug 5SEC Jonathan P. FosterCFO Buy 293,333305,673 held (+2377%) — $0 — —
Aug 5SEC Donald H PickerChief Science Officer Buy 173,333174,086 held (+23019%) — $0 — —

Insiders at Moleculin Biotech, Inc.

InsiderBoughtSoldLast filingScore
Walter V KlempCEO, President — — Aug 5, 2026 —
Jonathan P. FosterCFO — — Aug 5, 2026 —
Donald H PickerChief Science Officer — — Aug 5, 2026 —

MBRX stock: common questions

Are Moleculin Biotech, Inc. insiders buying MBRX stock?

In the past 12 months, 0 insiders reported open-market purchases of MBRX worth $0. The latest was CEO, President Walter V Klemp bought $0 of MBRX — raises the stake by 1720%.

Are Moleculin Biotech, Inc. insiders selling MBRX stock?

0 insiders reported sales worth $0 over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is MBRX's 52-week range?

Over the past year MBRX has traded between $0.39 and $13.00. It last closed at $0.44 on Oct 9, 2026.