Zogenix, Inc. announced preliminary unaudited gross product sales guidance for the fourth quarter and year ended December 31, 2012. For the quarter, the company expects to report gross product sales of approximately $13.5 million on 145,200 units shipped, with unit volume up approximately 9% sequentially from third quarter 2012 and 26% from fourth quarter 2011.

For the full year 2012, the company announced preliminary unaudited net product revenue of approximately $36 million, up approximately 18% over 2011 and slightly below previously issued guidance of $37 million for 2012.