[American Bitcoin Director Justin Mateen Increases Stock Holdings, Spending $1.93 Million] According to Cryptopolitan, American Bitcoin's stock price rose approximately 10% on Monday, climbing from $6.47 to $7.11. Regulatory filings reveal that company director Justin Mateen purchased 306,981 shares of American Bitcoin stock on August 5 and 6, with a total expenditure of about $1.93 million.