Cowen & Co
http://www.cowen.com/default.htmlCowen and Company offers investment banking services, including equity research, equity and convertible debt financings, mergers and acquisitions advisory services, and restricted security sales.
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OptiNose (OPTN) Prices 5.5M Public Offering of Common Stock at $9.75/Share
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Optinose Announces Pricing of Public Offering of Common Stock
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OptiNose (OPTN) Plans Public Offering of Common Stock
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Optinose Announces Proposed Public Offering of Common Stock

