WEST CHESTER, Ohio--(BUSINESS WIRE)--AtriCure, Inc. (Nasdaq: ATRC), a medical device company and a leader in cardiac surgical ablation systems for the treatment of atrial fibrillation, or AF, and systems for the exclusion of the left atrial appendage, today announced the pricing of its previously announced underwritten public offering of 3,475,000 shares of its common stock at a public offering price of $7.25 per share. In connection with the offering, AtriCure has also granted the underwriter a 30-day option to purchase up to an additional 521,250 shares of common stock to cover over-allotments, if any. Piper Jaffray & Co. is acting as the sole manager for the offering.