MannKind stock up 14% following multiple insider buys

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• Shares of MannKind (MNKD +14.7%) are higher today after six company insiders, including CEO Michael Castagna, added to their holdings in the company.
• Castagna purchased 27,675 shares late last month, according to an SEC filing, for a total of 1,532,773 shares.
• Chief Commercial Officer Alejandro Galindo added another 36,900 shares for a total of 576,690 shares.
• The largest purchase was 110,701 shares made by Jennifer Grancio, a member of MannKind's (MNKD +14.7%) board of directors. She now owns a total of 244,815 shares.
• Read why Seeking Alpha contributor John Kastanes argues that MannKind is a hold.