Jul 10, 2026 – 4.02pmSigma Healthcare investors have welcomed a commitment by billionaire Chemist Warehouse founder Mario Verrocchi to remain at the helm of the retail and pharmacy empire he helped create, saying they were not worried about plans by his co-founders, Sam and Jack Gance, to sell $1.6 billion in stock.Sigma shares fell 2.6 per cent on Friday afternoon, wiping out gains made the day before when Verrocchi and the Gance brothers confirmed they would remain as substantial shareholders in the $33 billion company.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles