The updated valuation of West Ham at £555m after Czech billionaire Daniel Kretinsky bought 27% for £150m allows us to make some calculations.
We can now work out the profit each investor would make if they sold at that valuation totalling £280m profit on the amount they initially invested.
David Sullivan paid around £66.5m for his West Ham shares initially to own the majority shareholding of 51.5%
His 38.8% holding of the new shares is valued at around £216m which would give a profit of £149.5m before taxes if sold
David Gold invested around £45.5m for his initial 35.1% stake in the club, his 25.1% of the new shares is valued at around £140m giving him a profit in theory of £94.5m before taxes.
Tripp Smith is reported to have invested around £13m for his 10% of West Ham in 2017. His 8% of new shares are valued at around £44m, a handsome profit of £31m before taxes in just four years.
Terry Brown 1.1% of shares are valued at around £6m from an initial investment of around £1m giving him a potential profit of £5m if sold.
Any profit would be subject to LLDC Windfall tax and HMRC capital gains tax so the net amount could be a lot less.