
Company had made legal filing for officially establishing the new parent structure of Alphabet without any changes in their day-to-day operations.
After closing of US markets, shares of Google stock (both Class C and A) were convert into shares of Alphabet stock. In this exchange the tickers will remain unchanged as GOOG and GOOGL respectively.
With this Google’s core flagship business entities encompassing search, YouTube Android will be a wholly-owned subsidiary of Alphabet. Google’s smaller units like the hardware maker Nest, moonshot factory Google X will now set up their own companies under Alphabet Inc.
In August 2015, Google had announced to blow up its corporate structure by forming a new parent company called Alphabet. It wanted to allow its different businesses to operate independently and move faster with each division having its own CEO.