CAMBRIDGE, Mass.--(BUSINESS WIRE)--Vertex Pharmaceuticals Incorporated (Nasdaq: VRTX) today announced that the underwriter has exercised in full its option to purchase 1,125,000 shares of common stock at a public offering price of $25.50 per share. The exercise of the option brings the total shares of common stock to be sold by Vertex in the offering to 8,625,000 shares. Vertex expects to receive gross proceeds from the offering, before commissions and expenses, of approximately $220.0 million.