OS (issued) 1 ADS = 10 ordinary A or B shares - 2017-12-31 142.16M (415.25M Class A ordinary, 1,006.398M Class B) 20-F - 2018-06-30 143.63M - 2018-09-30 143.33M - 2018-09-20 142.63M (Repurchased $8M/$100M 1M ADS @ $8/sh avg; $92M to go) - 2018-12-12 136.13M finviz - 2018-12-31 143.34M (475.36M Class A ordinary, 957.99M Class B) 20-F