Mukwonago-based Gearbox Express LLC has raised a $1.5 million round of funding, which it expects will close by the end of this week.

The company filed a notice of exempt offering of securities with the SEC yesterday indicating the round was launched July 22 and that $450,000 had been raised from two investors. Reached today, chief executive officer Bruce Neumiller said the additional funds have been raised and are all due to arrive by the end of the week. Read the full story here.