 Sterling Check Corp. STER, is set to go public Thursday, as the New York-based background and identity verification services companys initial public offering priced overnight at 23 a share, above the expected range of between 20 and 22 a share. The company raised 109.5 million by selling 4.76 million shares in the IPO, while selling shareholders raised 219.1 million through the sale of 9.53 million shares. 