Michael Castagna, Chief Executive Officer at MANNKIND CORP (MNKD), sold 800,000 shares at $4.69 ($3.8M) on 2023-05-24, disclosed to the SEC on 2023-05-24.
Open-market sale of $3.8M MNKD by Chief Executive Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $4.79 | 500,000 | $2.4M | 63.0% |
| 2 | $4.69 | 150,000 | $704K | 18.5% |
| 3 | $4.69 | 150,000 | $704K | 18.5% |
| Total | $4.75 avg | 800,000 | $3.8M | 100% |
| Filing → |
| MNKD | SELL | 2025-12-16 | $253K | — | Filing → |
| MNKD | SELL | 2025-12-04 | $1.2M | — | Filing → |
| MNKD | SELL | 2024-08-29 | $1.1M | — | Filing → |