Press release content from Globe Newswire. The AP news staff was not involved in its creation. Sientra Reports Preliminary Fourth Quarter and Full Year 2020 Results Sientra, Inc.February 4, 2021 GMT Estimates highest ever Breast Products segment net sales of $17.9 million, representing 40% year over year growth Results driven by Sientra’s continued investment and market outperformance in the core breast products segment SANTA BARBARA, Calif., Feb. 04, 2021 (GLOBE NEWSWIRE) -- Sientra, Inc. (NASDAQ: SIEN) (“Sientra” or the “Company”), a medical aesthetics company uniquely focused on plastic surgeons, today announced its preliminary unaudited financial results for the fourth quarter and full year ended December 31, 2020.