X0508 4 2025-12-12 0 0001876042 Circle Internet Group, Inc. CRCL 0002060495 Chandhok Nikhil C/O CIRCLE INTERNET GROUP, INC. ONE WORLD TRADE CENTER, 87TH FLOOR NEW YORK NY 10007 0 1 0 0 Chief Product & Tech. Officer 1 Class A Common Stock 2025-12-12 4 M 0 10000 25.81 A 484974 D Class A Common Stock 2025-12-12 4 S 0 10000 90 D 474974 D Stock Option (Right to Buy) 25.81 2025-12-12 4 M 0 10000 0 D 2032-02-04 Class A Common Stock 10000 1159677 D The reported sale was made pursuant to a 10b5-1 trading plan. Represents 159,499 shares of Class A common stock held outright by the Reporting Person and 315,475 shares of Class A common stock subject to outstanding restricted stock units. 1/4 of the shares of Class A Common stock subject to the option award vested upon the one-year anniversary following the vesting commencement date and the remaining portion vest in 36 successive equal monthly installments thereafter, in each case, subject to the Reporting Person's continued service relationship with Circle Internet Group, Inc. through each applicable vesting date. /s/ Sarah K. Wilson, as Attorney-in-Fact for Nikhil Chandhok 2025-12-16