Mindgym float triggers pay-out

The stock market flotation of behavioural science firm Mind Gym will net its owners, including Octavius Black, £50.8 million.

Black, an Eton alumnus and friend of David Cameron, his wife Joanne and the company’s co-founder Sebastian Bailey will pocket the windfall when Mind Gym lists with a market value of £145m. Shares will list on the Alternative Investment Market.