Mateen, a co-founder of Tinder and board member of the Trump family-backed Bitcoin mining company, purchased 306,981 Class A shares across two days (August 5-6) following the company's latest quarterly earnings report. The transactions bring his total beneficial ownership to 492,297 shares. American Bitcoin recently reported a Q2 net loss of approximately $57 million, while achieving its highest quarterly Bitcoin production to date (932 BTC) and growing its treasury to over 8,000 BTC.