Mannkind loses 12.8 million dollars every three months.
The market cap is over 1.5 billion dollars.
Since Mannkind can't survive selling Afreeza, they going to have to survive selling shares. The lower the price drops, the more shares they'll have to sell.
You'd think the people at Sanofi would be ones with the most knowledge about the financial prospects for Mannkind. They decided they wanted to own zero shares.