Ibn Sina Trust is set to sell off its entire 2.24% stake in Islami Bank Bangladesh (IBBL) within the next 30 days. Ibn Sina's exit from the country's biggest private lender comes a few days after the resignation of Chairman Arastoo Khan. The former secretary stepped down on April 17 and was replaced by Md Nazmul Hasan, a professor of the University of Dhaka. Ibn Sina left the bank's board on January 5 this year after a huge reshuffle. Last year, the Islamic Development Bank, one of the foreign investors of IBBL, sold two-thirds of its shares, bringing its stake in the bank down to 2% from 7.5%. In 2014, foreign sponsor-shareholder Bahrain Islamic Bank sold off all of its shares and Dubai Islamic Bank followed suit in 2015.