Michael Castagna bought $259k of MNKD
Chief Executive Officer at MANNKIND CORP. 100,000 shares at an average of $2.59, traded Mar 10, 2026, filed Mar 10, 2026.
Score components
- +25RoleCEO
- +13Trade size$259k at market
- 0Relative to holdingsHoldings up 4.0%
- +18Price context0% above the 52-week low; 58% below the 52-week high
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001193125-26-100839, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 10, 2026 | POpen-market purchase Common Stock, $0.01 Par Value | +100,000 | $2.59 | $259k | 2,575,911 | Mar 10, 2026 |
Related signals
Other insiders at MANNKIND CORP and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 6Weak | MANNKIND CORP | Steven B. Binder director | $128k 39,051 shares | -5% | |
| 6Weak | MANNKIND CORP | Steven B. Binder director | $128k 33,558 shares | -4% | |
| 6Weak | MANNKIND CORP | Michael Castagna Chief Executive Officer | $395k 65,804 shares | -3% | |
| 11Weak | MANNKIND CORP | Michael Castagna Chief Executive Officer | $253k 42,116 shares | -2% | |
| 17Weak | MANNKIND CORP | Michael Castagna Chief Executive Officer | $601k 107,920 shares | -4% | |
| 16Weak | MANNKIND CORP | David Thomson EVP Genl Counsel & Secretary | $823k 147,780 shares | -15% | |
| 5Weak | MANNKIND CORP | Sanjay R Singh EVP Technical Operations | $94k 18,777 shares | -4% | |
| 8Weak | MANNKIND CORP | Stuart A Tross Chief People & Workpl Officer | $251k 47,000 shares | -4% | |
| 17Weak | MANNKIND CORP | Steven B. Binder director | $297k 75,367 shares | -8% | |
| 8Weak | MANNKIND CORP | David Thomson EVP Genl Counsel & Secretary | $29k 7,466 shares | -1% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.