Circle Internet (CRCL) 4: CPTO sold 26,668 shares (Oct 9, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-10-08 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: Circle Internet Group, Inc. (CRCL) CIK: 0001876042 --- Reporting Owner --- Name: Chandhok Nikhil CIK: 0002060495 Role: Officer (Chief Product & Tech. Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Class A Common Stock Date: 2026-10-08 | Code: M (Exercise of derivative) Shares: +23,334 | Price: $25.81 Total Value: $602,250.54 Shares Owned After: 741,999 | Ownership: D (Direct) [Transaction #2] Security: Class A Common Stock Date: 2026-10-08 | Code: S (Open market sale) Shares: -26,668 | Price: $79.59 Total Value: $2,122,506.12 Shares Owned After: 715,331 | Ownership: D (Direct) Footnotes: [F1] The reported sale was made pursuant to a 10b5-1 trading plan. [F2] Represents 456,614 shares of Class A common stock held outright by the Reporting Person and 258,717 shares of Class A common stock issuable upon the vesting of restricted stock units. --- Derivative Transactions --- [Transaction #1] Security: Stock Option (Right to Buy) Date: 2026-10-08 | Code: M (Exercise of derivative) Shares: -23,334 | Price: $0.00 Exercise Price: $25.81 Exercisable: N/A | Expires: 2032-02-04 Shares Owned After: 307,515 | Ownership: D (Direct) Footnotes: [F3] 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. --- Footnotes (Complete Index) --- F1: The reported sale was made pursuant to a 10b5-1 trading plan. F2: Represents 456,614 shares of Class A common stock held outright by the Reporting Person and 258,717 shares of Class A common stock issuable upon the vesting of restricted stock units. F3: 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. --- Signature --- /s/ /s/ Brett R. Schroeder, as Attorney-in-Fact for Nikhil Chandhok (2026-10-09)