Alphatec (NASDAQ:ATEC – Get Free Report) issued its quarterly earnings data on Tuesday. Alphatec Price PerformanceNASDAQ ATEC traded up $0.20 during midday trading on Tuesday, hitting $10.35. Following the sale, the director directly owned 94,671 shares of the company’s stock, valued at approximately $758,314.71. Osterweis Capital Management Inc. bought a new stake in shares of Alphatec during the 2nd quarter worth approximately $37,000. Institutional investors and hedge funds own 66.35% of the company’s stock.