The 469,515 Class A shares were awards of restricted stock units and options as part of his compensation in January and March Brian Roberts, chief executive officer of Comcast, arrives for the annual Allen & Company Sun Valley Conference (Getty Collection) Comcast chairman and CEO Brian Roberts sold $20.41 million worth of his stock in the company on Tuesday, a new SEC filing has revealed. The 469,515 Class A shares, which represent a small portion of Roberts’ Comcast ownership, were awards of