BURLINGTON, Mass., Nov. 16, 2016 (GLOBE NEWSWIRE) — Flexion Therapeutics, Inc. (FLXN) today announced the pricing of an underwritten public offering of 3,600,000 shares of its common stock at a price to the public of $18.00 per share.  The gross proceeds from this offering are expected to be approximately $64.8 million, before deducting underwriting discounts […]