Foster Jonathan P. bought MBRX

June 20, 2026 · Form 4 insider transaction

Foster Jonathan P. bought 109 shares of Moleculin Biotech, Inc., a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 4 days after the transaction.

Direction

Acquired (buy-side)

109

Price

N/A

Total value

N/A

InsiderFoster Jonathan P.

Role—

CompanyMoleculin Biotech, Inc. (MBRX)

SecurityCommon Stock

Transaction codeM: Option exercise

Transaction dateJune 20, 2026

Filing dateJune 24, 2026

Shares owned after12,238

OwnershipDirect

10b5-1 planNo

AmendedNo

Footnotes

Restricted stock units convert into common stock on a one-for-one basis.

View the original Form 4 on SEC EDGAR