June 16, 2026 Deals Olin to Combine With Huntsman in $12.5 Billion All-Stock Merger June 16, 2026 Deals Olin to Buy Huntsman in All-Stock Merger of Equals Valued at $12.5 Billion June 16, 2026 Deals Huntsman to Buy Olin in $12 Billion All-Stock Merger