Castagna Michael sold MNKD
December 12, 2025 · Form 4 insider transaction
Castagna Michael sold 12,886 shares of MannKind Corporation at $0.00 per share, a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Disposed (sell-side)
Shares
12,886
Price
$0.00
Total value
N/A
InsiderCastagna Michael
RoleOfficer, Director
CompanyMannKind Corporation (MNKD)
SecurityEmployee Stock Option (Right to Buy)
Transaction codeM: Option exercise
Transaction dateDecember 12, 2025
Filing dateDecember 16, 2025
Shares owned after37,114
OwnershipDirect
10b5-1 planNo
AmendedNo