Reminder - Atrium Mortgage Investment (AI) Goes Ex-Dividend Soon By: Market News Video January 26, 2015 at 10:30 AM EST On 1/28/15, Atrium Mortgage Investment Corp (AI. A) will trade ex-dividend, for its monthly dividend of $0.07, payable on 2/13/15. Read More >> Related Stocks: C3.ai, Inc.