Altair Engineering Inc. Announces Closing of Initial Public Offering and Full Exercise of Underwriters' Option to ... Nasdaq TROY, Mich., Nov. 06, 2017 (GLOBE NEWSWIRE) -- Altair Engineering Inc. (NASDAQ:ALTR) today announced the closing of its initial public offering and the exercise in full of the underwriters' option to purchase an additional 1,800,000 shares of its Class ... |