Do you have any proof they are buying EOS and not other coins, or USD? They say they will not perform any share buybacks and if they did I think it would be pretty much impossible for them to hide and they would be pretty much screwed pretty fast.
There are a lot of suspicious deals happening with EOS. For example this is from HitBTC
http://i.imgur.com/o4BIJvz.pngCheck ask and bid amounts and how big trades are.
