Motorola just sounded off regarding a new device launch which is coming May 17th. They didn't specify which device would be unveiled, but the smart money would be on the new Moto G4 and Moto G4 Plus. This event is occurring in New Delhi, India.
Of course, there is also a separate Lenovo event happening on June 9th, so it will be interesting to see what is announced at that time. It's possible that event will be held for the Moto E. Stay tuned and we will keep you apprised as soon as we know more.
Here's our dedicated Moto G section for more discussion: Motorola Moto G