In a securities filing, the media company also said the total compensation of Chief Executive Philippe Dauman was $54.2 million for the fiscal year ended Sept. 30, 2015, up from $44.3 million in the previous period, although his bonus payment was reduced at his request. Viacom (VIAB.O), whose networks include Comedy Central, MTV and Nickelodeon, has faced growing concerns about the health of Redstone, its founder, and his fitness to oversee the company.