Regus founder Mark Dixon has made £94.2m selling 27.3m of his shares in the FTSE250 company, which is now called IWG.
The mogul has capitalised on takeover speculation after rumours banks had been hired to sell the company.
Dixon, who founded the business as Regus Group in 1989, sold his shares for 345.1p via his Estorn vehicle after the market closed on Monday, when shares stood at 360.2p. The group’s shares now stand at 330.4p. He retains a 25% stake in the company.