Custom parts manufacturer Proto Labs (PRLB +0.8%) says it and certain stockholders have filed a...

|About: Proto Labs (PRLB)|By:, SA News Editor

Custom parts manufacturer Proto Labs (PRLB +0.8%) says it and certain stockholders have filed a registration statement with the SEC for a proposed public offering of $100M in shares. The company recently had around 24.3M shares outstanding. (S-1)