The shares were bought by FTX founder Sam Bankman-Fried and co-founder Gary Wang last year and have been tussled over since the collapse of FTX.
Source: https://cointelegraph.com/news/robinhood-board-gives-nod-to-buy-sam-bankman-fried-s-578m-stake
Robinhood board gives nod to buy Sam Bankman-Fried’s $578M stake
February 9, 2023
CoinTelegraph