MannKind CEO Michael Castagna purchased 100,000 shares of MNKD at $2.59 each on Tuesday, totaling $259,000. This marks his first insider buy in the past year, and at one point, the stock reached $2.88, reflecting an 11.0% gain before settling down about 1.1% on Thursday.
Meanwhile, Sempra Director Richard J. Mark bought 2,692 shares at $93.30 each on Wednesday, amounting to $251,164. Sempra shares were up approximately 0.8% on Thursday.







