Castagna Michael sold MNKD
May 11, 2026 · Form 4 insider transaction
Castagna Michael sold 34,957 shares of MannKind Corporation at $3.52 per share, a transaction worth $123.0K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Disposed (sell-side)
Shares
34,957
Price
$3.52
Total value
$123.0K
InsiderCastagna Michael
RoleOfficer, Director
CompanyMannKind Corporation (MNKD)
SecurityCommon Stock, $0.01 Par Value
Transaction codeF: Shares withheld for taxes
Transaction dateMay 11, 2026
Filing dateMay 13, 2026
Shares owned after2,442,310
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Represents shares withheld to pay tax withholding obligations due on the date of vesting of the Restricted Stock Units originally granted on May 10, 2022.; Includes 1,356 shares acquired under the Issuer's Employee Stock Purchase Plan on December 31, 2025.