Riot sold 3,778 BTC in Q1 due to profitability issues. 500 Bitcoin outflow flagged on Thursday. Other companies sold 15,501 BTC last week.Arkham recently detected a significant movement of 500 bitcoins from Riot on Thursday. Additionally, MARA Holdings, Genius Group, and Nakamoto Holdings collectively offloaded a total of 15,501 bitcoins within the past week.