The online site for students, Chegg, filed for a $150 million IPO. According to the company’s Form S-1 submitted to the Securities and Exchange Commission, Chegg had revenue of $116.9 million in the first six months of 2013 and a net loss of $21.2 million. Its major venture investors include Kleiner Perkins Caufield & Byers, Gabriel Ventures, Foundation Capital and Insight Venture Partners.
Here is a link to its S-1.