$Castlight Health(CSLT)$ 求解，这篇报道啥意思。。。“SAN FRANCISCO - March 19, 2014 - Castlight Health, Inc. (NYSE: CSLT), a leading provider of enterprise healthcare cloud software, today announced it has closed its previously announced initial public offering of 12,765,000 shares of its Class B common stock at a price to the public of $16.00 per share, which included 1,665,000 shares issued upon the exercise in full of the underwriters' option to purchase additional shares.”