Michael Castagna, Chief Executive Officer at MANNKIND CORP (MNKD), bought 100,000 shares at $2.59 ($259K) on 2026-03-10, disclosed to the SEC on 2026-03-10.
Seasonal purchase ($259k) by Chief Executive Officer — this insider has traded MNKD in March in at least three consecutive prior years. Pattern-driven, low signal.
Something here stands out, but not much.
| Filing → |
| MNKD | SELL | 2025-12-04 | $1.2M | — | Filing → |
| MNKD | SELL | 2024-08-29 | $1.1M | — | Filing → |
| MNKD | SELL | 2023-12-15 | $802K | — | Filing → |