PE-backed Imprivata raises $75 mln for IPO

Imprivata has rolled out its IPO after pricing its 5 million shares at $15 per share. The stock began trading Wednesday on the NYSE under the ticker symbol "IMPR." JP Morgan and Piper Jaffray are the lead underwriters. Headquartered in Lexington, Mass., Imprivata is a provider of authentication and access management solutions for the healthcare sector. Its backers include General Catalyst Partners, Highland Capital Partners and Polaris Partners.

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