Co-Diagnostics, a company that has provided coronavirus tests to three state governments, has come under intense scrutiny for claims about its tests' accuracy and stock sales by company leaders.
Pfizer's CEO sold $5.6 million worth of stock on Monday. The company says the stock sale was made as part of a preset plan. But NPR found irregularities about when the CEO entered into that plan.
Moderna is currently developing a promising, yet still unproven, vaccine against the coronavirus. But Moderna executives have already sold tens of millions of dollars worth of stock in the company.
