On the morning of January 30 , 2015 , it began trading on the NYSE at $47 per share under the ticker symbol SHAK .
On January 29 , 2015 , Shake Shack priced its IPO at $21 per share .
On the morning of January 30 , 2015 , Shake Shack began trading on the NYSE at $47 per share under the ticker symbol SHAK .
On January 29 , 2015 , Shake Shack priced its IPO at $21 per share .