T-Mobile US Inc. board authorized a stock repurchase program for up to $1.5 billion of the company's common stock through Dec. 31, 2018.

Under the program, repurchases can be made from time to time using a variety of methods, which may include open market purchases and privately negotiated transactions, the company said Dec. 6.

Further, the company said Deutsche Telekom AG, its majority stockholder, or its affiliates, is considering plans to buy additional shares of common stock. Such purchases would likely take place through Dec. 31, 2018.