This information isn't public yet. And team sad that they will give inforamtion about this before network launch. But in telegram chats some investors from 2018 gave to community infromation that on seed and privat rounds was sold 1.6 bil tokens with average price near to 1 GRT = 0.003-0.004 usd. It's like almost 10x from ICO price. But all these tokens will be locked for 6 months. While all ICO tokens wull be unlocked from the start.