 VTEX is headed for its public debut Wednesday, as the U.K.-based software company that helps retailers build e-commerce businesses raised 263.66 million as its initial public offering priced at 19 a share, above the expected pricing range of between 15 and 17 a share. The company sold 13.88 million Class A shares in the IPO, and selling shareholders sold 5.12 million shares to raise 97.34 million. 