Trevena, a clinical-stage biotech developing a treatment for acute heart failure, filed on Wednesday with the SEC to raise up to $86 million in an initial public offering. The King of Prussia, PA-based company, which was founded in 2007 and booked $1 million in grant and collaboration revenue for the 12 months ended June 30, 2013, plans to list on the NASDAQ under the symbol TRVN. Trevena initially filed confidentially on September 6, 2013. Barclays and Jefferies are the joint bookrunners on the deal. No pricing terms were disclosed.