Castagna Michael 4
4 · MANNKIND CORP · Filed Dec 16, 2025
Insider Transaction Report
Form 4
MANNKIND CORPMNKD
Castagna Michael
DirectorChief Executive Officer
Transactions
- Exercise/Conversion
Common Stock, $0.01 Par Value
2025-12-12$4.55/sh+20,806$94,667→ 2,525,598 total - Sale
Common Stock, $0.01 Par Value
2025-12-12$6.00/sh−20,806$124,836→ 2,504,792 total - Exercise/Conversion
Common Stock, $0.01 Par Value
2025-12-16$4.55/sh+21,310$96,961→ 2,526,102 total - Sale
Common Stock, $0.01 Par Value
2025-12-16$6.00/sh−21,310$127,860→ 2,504,792 total - Exercise/Conversion
Employee Stock Option (Right to Buy)
2025-12-12−7,920→ 0 totalExercise: $4.55From: 2020-03-14Exp: 2026-05-19→ Common Stock, $0.01 Par Value (7,920 underlying) - Exercise/Conversion
Employee Stock Option (Right to Buy)
2025-12-12−12,886→ 37,114 totalExercise: $4.55From: 2023-08-07Exp: 2026-05-19→ Common Stock, $0.01 Par Value (12,886 underlying) - Exercise/Conversion
Employee Stock Option (Right to Buy)
2025-12-16−21,310→ 15,804 totalExercise: $4.55From: 2023-08-07Exp: 2026-05-19→ Common Stock, $0.01 Par Value (21,310 underlying)
Footnotes (1)
- [F1]Transaction occurred pursuant to Rule 10b5-1 Plan established August 8, 2025.