 DENVER--BUSINESS WIRE--Apartment Investment and Management Company Aimco NYSE: AIV today announced that a committee of its Board of Directors has established 1-for-1.23821 as the ratio for the previously-announced reverse stock split of its outstanding shares of common stock. The reverse stock split will become effective on November 30, 2020, immediately after the issuance of shares in the special dividend described below, and Aimcos common stock will begin trading on a split-adjusted 