The terms of the transaction were not disclosed.

Masayoshi Son, Chairman and CEO of SoftBank Group Corp., said, "Today, there are many issues we still cannot solve by ourselves with human capabilities. Smart robotics are going to be a key driver of the next stage of the Information Revolution, and Marc and his team at Boston Dynamics are the clear technology leaders in advanced dynamic robots. I am thrilled to welcome them to the SoftBank family and look forward to supporting them as they continue to advance the field of robotics and explore applications that can help make life easier, safer and more fulfilling."

Marc Raibert, CEO and founder of Boston Dynamics, said, "We at Boston Dynamics are excited to be part of SoftBank's bold vision and its position creating the next technology revolution, and we share SoftBank's belief that advances in technology should be for the benefit of humanity. We look forward to working with SoftBank in our mission to push the boundaries of what advanced robots can do and to create useful applications in a smarter and more connected world."