Coinbase reported third-quarter revenue of $1.2 billion, falling short of analysts' expectations of $1.233 billion, with monthly transacting users (MTUs) decreasing to 7.4 million. Despite this, subscription and services revenue increased to $570 million, and adjusted EBITDA has been profitable for 15 consecutive quarters. Coinbase also disclosed the purchase of $1.5 billion worth of Bitcoin in the third quarter. Additionally, filings show that CEO Brian Armstrong has established a plan under SEC Rule 10b5-1 to sell up to 8.17 million shares of Class A common stock, with co-founder Fred Ehrsam and President Emilie Choi having similar plans, totaling approximately 13.6 million shares. Coinbase's stock (COIN) fell approximately 15% today, impacted by the $6.3 billion Binance security breach.