ITAÚ UNIBANCO - MATERIAL FACT - Stock Buyback Program PR Newswire SÃO PAULO, Feb. 5, 2024 SÃO PAULO , Feb. 5, 2024 /PRNewswire/ -- ITAÚ UNIBANCO HOLDING S.A. informs its stockholders that the Board of Directors, meeting on February 5, 2024 , has resolved to: (i) terminate early, as of this date, the buyback program of own stock approved at the Board meeting held on August 25, 2022 , which would terminate on February 24, 2024 ; and (ii) approve the new stock buyback program, to be effective...