Semiconductor company Spansion (SPSN: chart) plans to offer 39.2 million shares within a price range of $16-$18 per share, in a bid to raise $666.4 million. Citigroup and CS First Boston will be the underwriters on the deal.

Consumer electronics designer Directed Electronics (DEIX: chart) plans to offer 9.4 million shares within a price range of $15-$17 per share, in a bid to raise $150.4 million. Insiders are plannig to sell 3.4 million shares. Goldman Sachs and J.P. Morgan will be the managers on the deal.

Emergency Medical Services (EMS: chart) plans to offer 7.8 million shares within a price range of $15-$17 per share, in a bid to raise $152.5 million. Bank of America and J.P. Morgan will head the list of underwriters on the deal.

Builder Specialty Brands (BSB: chart) plans to offer 17 million shares at an offering price of $8 a share, in a bid to raise $136 million. Citigroup and Roth Capital will be the underwriters on the deal.

Republic Property Trust (RPB: chart) plans to offer 20 million shares within a price range of $14-$16 a share, in a bid to raise $368 million. Lehman Brothers will underwrite the offering.

Star Maritime Acquisition Corp. (SEAU: chart) plans to offer 20 million shares at an offering price of $10 a share, in a bid to raise $200 million. Maxim Group and EarlyBirdCapital will be the managers on the deal.