Castagna Michael sold MNKD

December 16, 2025 · Form 4 insider transaction

Castagna Michael sold 21,310 shares of MannKind Corporation at $6.00 per share, a transaction worth $127.9K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 0 days after the transaction.

Direction
Disposed (sell-side)
Shares
21,310
Price
$6.00
Total value
$127.9K
RoleOfficer, Director
SecurityCommon Stock, $0.01 Par Value
Transaction codeS: Open-market sale
Transaction dateDecember 16, 2025
Filing dateDecember 16, 2025
Shares owned after2,504,792
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

Transaction occurred pursuant to Rule 10b5-1 Plan established August 8, 2025.

View the original Form 4 on SEC EDGAR