American video game retailer GameStop's outgoing CEO George Sherman has sold a part of his stake in the company for $36.7 million, according to regulatory filings. Sherman sold 1,21,386 shares when GameStop's stock was at its four-month high on June 9. GameStop has rallied more than 1,500% in 2021 which was initially fuelled by retail traders on Reddit's WallStreetBets forum.