Lionsgate's chief financial officer, James Keegan, a 25-year veteran of the company, is retiring and will be succeeded by James Barge, the former CFO of Viacom.<br /><br />Keegan, 55, will retire on Oct. 1 and will stay on as a consultant until Jan. 3 to help with the transition, the company said Friday. <br /><br />Barge, who will report to Lionsgate Chief Executive Jon Feltheimer, had already been working with Lionsgate as a consultant. He served as Viacom's CFO from 2010 to 2012 and earlier worked at Time Warner Inc. for 13 years.<br /><br />ON LOCATION: Where the cameras roll <br /><br />Keegan "will be missed,” Feltheimer said in a statement. “When he decided to retire, we were fortunate that Jimmy Barge was already working with us on a number of financial initiatives and was available to hit the ground running as our new CFO." <br /><br />Shares of Lionsgate fell 4.7% to about $33.80 in midday trading Friday. The stock has more than doubled in the last year for the company behind recent hit films such as "The Hunger Games" and "The Twilight Saga." 