ArcelorMittal yesterday morning finalised a 14.9% stake in Macarthur including 4.27% from founder and director Ken Talbot and 10.4% from Tinkler Investments for an average price of $A19.96 per share. ArcelorMittal outlaid $A631 million for the stake. The 9.06 million shares bought from Talbot represent about 20% of his stake in the company. The deal triggered the breakdown of talks with the third party which Macarthur had been talking to for a month.