[ttt0]

Blue checkmarks seem to confirm this:

https://twitter.com/dreamwisp/status/1354865709998723072

edit: My bad, it's "just" cancelling their orders, not selling anything on their behalf.

[aqme28]

A canceled buy order is very different from an automatic sale. Buy orders can be canceled all the time for various reasons, though in this case it's likely Robinhood's well-documented purchase restrictions.

Also that user does not have a blue check.

[ttt0]

Yes, I noticed it and already edited my comment, my bad. The person below is a blue checkmark.