Circle Internet Group, Inc. insider Nikhil Chandhok reported changes in his ownership of the company’s Class A common stock tied to an option exercise and a planned stock sale on July 8, 2026. Chandhok exercised options for 23,333 shares of Class A common stock at an exercise price of $25.81 per share. The filing indicates this was an option-related acquisition, reported as a transaction code “M” exercise. After that exercise, his reported beneficial ownership rose to 751,734 shares before the subsequent sale transaction. On the same date, Chandhok sold 26,666 shares of Class A common stock at $63.90 per share, a transaction reported as a sale under transaction code “S.” The sale generated approximately $1.70 million in gross proceeds. A footnote states that the sale was made pursuant to a Rule 10b5-1 trading plan, meaning it was conducted under a prearranged trading program typically used by insiders to sell shares according to preset conditions. Following the transactions, Chandhok reported beneficial ownership of 725,068 shares of Circle Class A common stock. The filing explains that this total consists of 436,475 shares held outright and 288,593 shares subject to outstanding restricted stock units. The option award involved in the exercise has a standard time-based vesting schedule: one-fourth of the shares vested on the one-year anniversary after the vesting commencement date, with the remaining shares vesting in 36 equal monthly installments, subject to Chandhok’s continued service with Circle Internet Group through each vesting date. The Form 4 was signed on Chandhok’s behalf by Sarah K. Wilson as attorney-in-fact on July 10, 2026.