Senior insider sale
Chief Executive Officer at MANNKIND CORP — senior position signals high conviction
$586.0K
107.92K shares
What this filing means
CASTAGNA MICHAEL plans to sell 107.92K shares of MANNKIND CORP valued at approximately $586.0K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 12/2/2025ACC: 0001950047-25-009627
DirectorOfficer· Chief Executive Officer
Since Feb 2026
107.92K
Shares to sell
$586.0K
Approx. market value
107.92K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months1
Exercise of Stock Options
Cash
12/2/2025
107.92KTotal acquired107.92K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
12/2/2025 | Exercise of Stock Options Cash | 107.92K | — |
| Total | 107.92K | ||
Planned & Completed Dispositions1
NASDAQPlanned
Units to sell
107.92K
Market value
$586.0K
12/2/2025
Total
Units
107.92K
Value
$586.0K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
12/2/2025 | 107.92K | $586.0K | NASDAQ | Planned |
| Total | 107.92K | $586.0K | ||