 SANTA BARBARA, Calif., Feb. 08, 2021 GLOBE NEWSWIRE -- Sientra, Inc. NASDAQ: SIEN Sientra or the Company, a medical aesthetics company uniquely focused on plastic surgeons, today announced that it has commenced an underwritten public follow-on offering of its common stock to be sold by the Company. In addition, the Company intends to grant the underwriters a 30-day option to purchase additional shares. The offering is subject to market conditions, and there can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering. 