Is MannKind Stock a Buy or Sell After the CEO Sold Nearly 66,000 Shares?

Is MannKind Stock a Buy or Sell After the CEO Sold Nearly 66,000 Shares?

Key PointsCEO Michael Castagna sold 65,804 shares on Dec. 17, 2025, for a total value of approximately ~$395,482 at a weighted average price around $6.01 per share.This transaction represented 2.56% of Mr. Castagna's direct holdings, reducing his direct ownership to 2,504,792 shares, or 0.8159% of shares outstanding as of the filing.The disposition was entirely direct, with no indirect entities involved; all shares originated from an option exer…