As of March 27, holders of Class A and Class B shares are scheduled on Tuesday after the market close to receive one new Class C share for each Google share they own.
The new Class C shares, which will have no voting rights, are set to trade under the ticker "GOOG." The Class A shares now trading under that ticker will shift to a new ticker, "GOOGL," but will stop trading before the open on June 23.
Class B shares, which are held by co-founders Larry Page and Sergey Brin and other insiders and control majority voting power, are not publicly traded and will remain unlisted.
The new Class C shares are expected to start trading April 3, according to Google. Nasdaq has a detailed rundown of the transition.