Proofpoint, which provides on-demand data protection solutions to large and mid-sized organizations, filed on Wednesday with the SEC to raise up to $50 million in an initial public offering. The Sunnyvale, CA-based company, which was founded in 2002 and booked $77 million in sales for the 12 months ended September 30, 2011, plans to list on the NASDAQ under the symbol PFPT. Credit Suisse and Deutsche Bank Securities are the lead underwriters on the deal. No pricing terms were disclosed.
