BOTHELL, Wash.--(BUSINESS WIRE)--Seattle Genetics, Inc. (NASDAQ: SGEN) today reported financial results for the first quarter ended March 31, 2016. The company also highlighted ADCETRIS (brentuximab vedotin) commercialization, regulatory and clinical development accomplishments, vadastuximab talirine (SGN-CD33A; 33A) activities and progress with other proprietary pipeline programs and technologies.