Castagna Michael sold MNKD
December 2, 2025 · Form 4 insider transaction
Castagna Michael sold 107,920 shares of MannKind Corporation at $5.57 per share, a transaction worth $601.1K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Disposed (sell-side)
Shares
107,920
Price
$5.57
Total value
$601.1K
InsiderCastagna Michael
RoleOfficer, Director
CompanyMannKind Corporation (MNKD)
SecurityCommon Stock, $0.01 Par Value
Transaction codeS: Open-market sale
Transaction dateDecember 2, 2025
Filing dateDecember 4, 2025
Shares owned after2,504,792
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
Transaction occurred pursuant to Rule 10b5-1 Plan established August 8, 2025.; The weighted average sales price of the reported transaction was $5.57 based on a range of prices between $5.50 and $5.63. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.