Lexicon Pharmaceuticals Incorporated recently saw a spike in the number of shares purchased over the past 6 months. Nearly 3 million shares were purchased in the past 6 months. Nearly 1.32 percent of nearly 227 million shares were purchased in the time frame of 6 months. The next earnings date is expected to be around the second of May and investors should definitely keep that date in mind. Lexicon (NASDAQ:LXRX) also recently presented at a Healthcare conference as many treatments were discussed.