Form 4 Filing for Fox-Geen Jeremy

This filing details transactions made by Jeremy Fox-Geen, Chief Financial Officer of Circle Internet Group, Inc. On September 22, 2026, Fox-Geen acquired 598 shares of Class A Common Stock at a price of $48.45 per share, and 2,155 shares at $32.95 per share. The filing also reports the disposal of stock options. Specifically, 598 stock options with an exercise price of $48.45 and 2,155 stock options with an exercise price of $32.95 were disposed of. Post-transaction, Fox-Geen holds 308,889 and 311,044 shares of Class A Common Stock directly, and 28,115 and 107,508 shares underlying vested stock options, respectively. Footnote F1 indicates that 42,317 shares are held outright, and 268,727 are issuable upon vesting of restricted stock units. Footnote F2 explains the vesting schedule for the stock options.