Find information on past stock splits from Comcast within the investor relations portal of the company's website, according to Comcast Corporation. As of July 2015, the latest stock split occurred in 2007.
The first stock split in the company's history occurred May 15, 1980, as a three-for-two split, explains Comcast Corporation. This split happened eight years after Comcast's initial public offering in 1972. The stock split in February 2007 was also a three-for-two split. A stock split in May 1999 was a two-for-one split, and all of the others in the stock's history have been three-for-two splits. Eight stock splits occurred from 1980 to 1989, and just three splits happened from 1994 to 2007.