CafePress, which has e-commerce sites where customers create, buy and sell personalized products, changed its ticker from CPRS to PRSS in a filing with the SEC on Wednesday. The company still plans to trade on the NASDAQ. The San Mateo, CA-based company, which announced terms on 3/14/12, is looking to raise $77 million by offering 4.5 million shares (44% insider) at a price range of $16.00 to $18.00.