Naman Ramachandran The writing process on season 4 of enormously popular HBO series “Succession” is nearly complete, creator Jesse Armstrong has revealed.Matthew Macfadyen won supporting actor at the Virgin Media BAFTA TV awards in London on Sunday for “Succession.” Macfadyen was not able to be present to accept the award. Armstrong collected the award on his actor’s behalf and later met the press backstage.“We’re almost done with the writing for season 4, here in London, with the American writers coming over,” Armstrong said.