Jing Lou, the CEO of Chinese pharmaceutical company 3SBio (SSRX.NASDAQ.FRA) and Chinese private equity fund CPEChinaFund (CPE), has offered to buy out 3SBio’s existing shareholders for roughly US$331 million and take the company private, Reuters reported. Lou and CPE, an affiliate of Chinese investment firm CITIC Capital, offered US$15 per American Depositary Share, a premium of 29% over the Tuesday closing price of US$11.59. The value of the company’s shares has risen 13% this year, with a 15% hike this morning, bringing the price up to US$13.43. The finance structure will comprise debt and equity. Lou and the private equity fund are currently in discussions with an entity that may invest in the transaction, according to a CPE proposal letter to the company. No deal has yet been struck, said 3SBio’s board.