On March 14, 1986, Microsoft went public and traded more than 3.58 million shares. The stock price was $21 per share during the opening day day and closed at $27.Co-founders Paul Allen and Bill Gates became instant millionaires during the offering.<ref>[http://blog.seattlepi.com/microsoft/2006/03/16/looking-back-microsoft-ipo-march-1986/ Microsoft IPO]</ref> | On March 14, 1986, Microsoft went public and traded more than 3.58 million shares. The stock price was $21 per share during the opening day day and closed at $27.Co-founders Paul Allen and Bill Gates became instant millionaires during the offering.<ref>[http://blog.seattlepi.com/microsoft/2006/03/16/looking-back-microsoft-ipo-march-1986/ Microsoft IPO]</ref> |