KLEMP WALTER V bought MBRX
October 15, 2026 · Form 4 insider transaction
KLEMP WALTER V bought 207,500 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 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
207,500
Price
N/A
Total value
N/A
InsiderKLEMP WALTER V
Role—
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateOctober 15, 2026
Filing dateOctober 16, 2026
Shares owned after771,840
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Restricted stock units convert into common stock on a one-for-one basis.