Disclaimer; I run a Chia blockchain explorer
It's fine that you believe the dev is a nice person and will never dump on you, but they absolutely do hold a vast majority of issued chia.
https://www.chia.net/whitepaper/
Pages 18-21
You could say that he is on the board that manages the pre-farm but that is not the same thing.
Selling coins or selling a company that holds coins. Whatever, it's all dumping.
It's fine that you believe the dev is a nice person and will never dump on you, but they absolutely do hold a vast majority of issued chia.