It isn't CHESS sponsored if that's where you're going with they...

It isn't CHESS sponsored if that's where you're going with they question. Their main website discussing this is here

https://support.superhero.com.au/superhero-custody-structure/

In theory something similar can be done for same cost at OpenTrader ($5/trade) but not sure if you can sell down to 1 share given this is CHESS sponsored, plus will trigger a scary amount of mail.