SEC FORM 4

SEC FORM 4SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Neville Patrick Sean

(Last)

(First)

(Middle)

C/O CIRCLE INTERNET GROUP, INC.

ONE WORLD TRADE CENTER, 87TH FLOOR

(Street)

NEW YORK

10007

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Circle Internet Group, Inc. [ CRCL ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	04/01/2026		C		30,000	A	⁽¹⁾	30,000	D
Class A Common Stock	04/01/2026		S⁽²⁾		30,000	D	$98.04	0	D
Class A Common Stock	04/01/2026		C		5,000	A	⁽¹⁾	5,000	I	By Neville 2025 Qualified Annuity Trust⁽³⁾
Class A Common Stock	04/01/2026		S⁽⁴⁾		5,000	D	$98.04	0	I	By Neville 2025 Qualified Annuity Trust⁽³⁾
Class A Common Stock								33,568	I	By Calico Trust⁽⁵⁾

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option (Right to Buy)	$0.08	04/01/2026		M			30,000	⁽²⁾⁽⁶⁾	03/22/2027	Class B Common Stock	30,000	⁽¹⁾	1,939,073	D
Class B Common Stock	⁽¹⁾	04/01/2026		M		30,000⁽²⁾		⁽²⁾⁽⁶⁾	⁽¹⁾⁽²⁾	Class A Common Stock	30,000	⁽¹⁾	2,396,356	D
Class B Common Stock	⁽¹⁾	04/01/2026		C			30,000⁽²⁾	⁽²⁾	⁽¹⁾⁽²⁾	Class A Common Stock	30,000	⁽¹⁾	2,366,356	D
Class B Common Stock	⁽¹⁾	04/01/2026		C			5,000⁽⁴⁾	⁽¹⁾⁽⁴⁾	⁽¹⁾⁽⁴⁾	Class A Common Stock	5,000	⁽³⁾	147,842	I	By Neville 2025 Qualified Annuity Trust⁽³⁾

Explanation of Responses:

1. Each share of Class B common stock is convertible into Class A common stock on a one-for-one basis at the option of the Reporting Person. In addition, each share of Class B common stock will convert automatically into Class A common stock on a one-for-one basis upon any transfer of such share, except for certain permitted transfers described in the Issuer's Amended and Restated Certificate of Incorporation. Shares of Class B common stock do not expire.

2. On April 1, 2026, the Reporting Person converted 30,000 shares of Class B common stock into Class A common stock to facilitate a sale pursuant to a 10b5-1 trading plan.

3. Represents shares of Class B common stock held through an irrevocable grantor trust, of which the Reporting Person is the sole trustee and the Reporting Person is a beneficiary. The Reporting Person is entitled to annuity payments from the trust, with any remaining assets to be distributed to the Calico Trust, of which the Reporting Person's child is the beneficiary. The Reporting Person disclaims beneficial ownership of the shares of Class B common stock except to the extent of his pecuniary interest therein.

4. On April 1, 2026, the Reporting Person converted 5,000 shares of Class B common stock into Class A common stock to facilitate a sale pursuant to 10b5-1 trading plan.

5. Represents shares of Class A Common stock held through an irrevocable grantor trust, of which the Reporting Person's wife, daughter and brother-in-law are trustees and the Reporting Person's children are beneficiaries. The Reporting Person disclaims beneficial ownership of the shares of Class A Common Stock except to the extent of his pecuniary interest therein.

6. The options are fully vested.

Remarks:

	Sarah K. Wilson, as Attorney-in-Fact for Patrick Sean Neville	04/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

SEC Form 4 filed by Neville Patrick Sean