NightHawk Radiology Services, which provides off-hours emergency radiology services to hospitals in the US, priced its initial public offering of 6.3 million shares at $16, above its proposed $12 to $14 price range, on Wednesday night. The shares sold in the offering reflect 500k additional shares offered by venture backer Summit Partners. Morgan Stanley and Banc of America were the lead underwriters on the deal. The stock is expected to begin trading on the NASDAQ under the ticker NHWK on Thursday.
