Mannkind Corporation
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A California biopharmaceutical company that makes Afrezza, an inhaled insulin for people with type 1 and type 2 diabetes. Instead of a needle, patients breathe a dry-powder insulin through a small inhaler, with the powder absorbed quickly through the lungs to manage mealtime blood sugar. Founder Alfred E. Mann, a serial inventor of medical devices, named the firm after himself and shaped it in the early 2000s by merging several of his companies. A fun quirk: Mann's dream was to free people with diabetes from daily injections — a needle-free ambition baked into the company's very name.
2.50% Convertible Senior Notes due March 1, 2026
Granted 231.1K · Sold 215.8K
Granted 49.2K · Sold 94.0K
Granted 147.8K · Sold 150.8K
Sold 16.9K
Sold 18.8K
Granted 8.5K
Granted 5.0K
Granted 318.2K
Granted 35.0K
Granted 10.0K
Granted 12.0K
| Insider | Stake change | Holds now | Granted / vested | Bought | Sold |
|---|---|---|---|---|---|
| Castagna MichaelChief Executive Officer, Director · 11 transactions | -2.5% | 2.44M | 231.1K | — | 215.8K |
| Tross Stuart AChief People & Workpl Officer · 5 transactions | -4.9% | 1.03M | 49.2K | — | 94.0K |
| Thomson DavidEVP Genl Counsel & Secretary · 5 transactions | -1.8% | 826.3K | 147.8K | — | 150.8K |
| Binder Steven B.Director · 2 transactions | -2.7% | 808.0K | — | — | 16.9K |
| Singh Sanjay REVP Technical Operations · 2 transactions | -7.3% | 455.2K | — | — | 18.8K |
| Marasco DominicPres, Endocrine Business Unit · 1 transaction | +10.5% | 344.2K | 8.5K | — | — |
| Prentiss Christopher BChief Financial Officer · 2 transactions | -1.4% | 338.9K | 5.0K | — | — |
| Ahuja AjayChief Medical Officer · 1 transaction | — | 318.2K | 318.2K | — | — |
| Hooper Anthony CDirector · 1 transaction | +17.4% | 236.2K | 35.0K | — | — |
| Consiglio Ronald JDirector · 1 transaction | -75.8% | 132.3K | 10.0K | — | — |
| Shannon James SamuelDirector · 1 transaction | -67.9% | 36.5K | 12.0K | — | — |
Select a row to see that insider’s individual transactions. Sum of the holdings confirmed in the 12 months before this insider's last filing. A Form 4 reports a holding per line — held directly, or through a named trust, partnership or foundation, and in each share class separately — never a person’s total. Lines not restated in that time are left out and shown apart: an active filer restates what they still hold, so a line they did not restate is more often an entity since renamed, whose shares a successor line reports too. An amber marker means some were left out.
Net open-market activity over the last year: -496.4K shares. Grants, option exercises and tax withholding are excluded — they are compensation mechanics, not decisions to buy or sell.