Each Stockpile account has a separate owner with their own separate stock portfolio, buying power, ACH bank link, and debit cards. So transferring assets from one account to another isn’t possible to avoid mixing assets owned by two different people.

We make it easy for custodians to access and manage accounts on behalf of and the benefit of the minor, in the UTMA account. Similarly to an individual account, all the funds and stocks in your account, are just yours and won’t be able to be transferrable.