E*Trade weighing a Roaring Kitty ban, via @KobeissiLetter — unconfirmed
The June 3, 2024 post relayed a report that E*Trade was considering a ban. We found no announced action; unconfirmed.
Leaked on 03 June 2024

On June 3, 2024, @KobeissiLetter posted that E*Trade was considering banning Keith Gill, known as Roaring Kitty, citing a newspaper report.
Business Insider reported on June 4 that Gill could be removed from E-Trade after a post appearing to show his GameStop position.
Unconfirmed. The linked sources describe deliberation, not a decision.