08:57 AM EDT, 08/28/2025 (MT Newswires) -- Moleculin Biotech ( MBRX ) said Thursday that some holders of the company's outstanding warrants have agreed to exercise them to buy about $6 million worth of common shares.

Certain holders of the warrants will buy about 16.2 million common shares of the company originally issued in June at $0.37 apiece, Moleculin Biotech ( MBRX ) said.

The transaction is expected to close on or about Thursday with net proceeds expected to be used for working capital and general corporate purposes, the biotech company said.

Shares were down over 37% in recent Thursday premarket activity.