A director who had only ever purchased shares (34 previous trades) made his first-ever and largest sale for $19 million after a 200% price run-up, signaling the stock may be overvalued.

A powerful bearish signal as a long-time insider and consistent buyer made his first-ever and only-ever sale, which was a large, discretionary sale after the stock's recent strong performance.

Multiple insiders sold over $20 million in stock after a 60% price surge. The unprecedented size of the sales is a strong warning sign that insiders may believe the stock is now fully or over-valued.