KLEMP WALTER V bought MBRX

November 4, 2025 · Form 4 insider transaction

KLEMP WALTER V bought 28,750 shares of MBRX, a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction

Acquired (buy-side)

28,750

Price

N/A

Total value

N/A

InsiderKLEMP WALTER V

Role—

CompanyMBRX

SecurityCommon Stock

Transaction codeM — Option exercise

Transaction dateNovember 4, 2025

Filing dateNovember 6, 2025

Shares owned after772,357

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