Owners led by Gabriel Brener paid £15m in 2023 Buyer would be the club’s fifth owner in six years Charlton’s US owners have put the club up for sale just three years after taking over at the Valley. The Championship’s ownership group is understood to have engaged Oakwell Sports Advisory to find what would be the club’s fifth owners in the past six years. In a sales deck sent to potential investors, which has been seen by the Guardian, Oakwell describes Charlton as “the last remaining football c…