X0508 4 2025-12-22 0 0001876042 Circle Internet Group, Inc. CRCL 0002060670 Tarbert Heath C/O CIRCLE INTERNET GROUP, INC. ONE WORLD TRADE CENTER, 87TH FLOOR NEW YORK NY 10007 0 1 0 0 President 1 Class A Common Stock 2025-12-22 4 S 0 3048 90.02 D 579302 D The reported sale was made pursuant to a 10b5-1 trading plan. These shares were sold in multiple transactions at prices ranging from $90.00 to $90.18, inclusive. The weighted average sale price was $90.02. The Reporting Person undertakes to provide to the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range. Represents 83,499 shares of Class A common stock held outright by the Reporting Person and 495,803 shares of Class A common stock issuable upon the vesting of restricted stock units. /s/ Sarah K. Wilson, as Attorney-in-Fact for Heath Tarbert 2025-12-23