Gilead Sciences, Inc. (GILD) announced on Wednesday that Merdad Parsey will step down from his role as Chief Medical Officer early next year. The company has begun the search for a successor, and Parsey will continue to serve in his current capacity until the first quarter of 2025. As of now, Gilead Sciences' stock is trading at $73.06, an increase of 1.98 percent on the Nasdaq.