There are some rumors circulating that the founding team is behind recent price hike of EOS. I personally don't know the authenticity of such news, but the recent bull run in EOS raises red flags. also the article on how okex white washes coins is also worth a read.

One can find the article as below:

https://www.reddit.com/r/CryptoCurrency/comments/8fsub1/okex_wash_trading_on_a_massive_scale_eos_is_being/

Pumping doesn't have to be done by the founding team, any whale or group of whales that is interested in the project can as well do the wash trading