Website's listing when does amazon stock split - January 2022 Amazon.com Stock Split History. AMZN's second split took place on January 05, 1999. This was a 3 for 1 split, meaning for each share of AMZN owned The most common types of stock splits are 2:1, 3:2, and 3:1, although there are some stock splits that can be as high as 4:1, 7:1, or even higher.