Initial Statement of Beneficial Ownership (Form 3)

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 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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(Print or Type Responses)

1. Name and Address of Reporting Person * Nakagawa Yo 2. Date of Event Requiring Statement (Month/Day/Year) 03/18/2026 3. Issuer Name and Ticker or Trading Symbol Coincheck Group N.V. [CNCK] (Last) (First) (Middle) NIEUWEZIJDS VOORBURGWAL, 162, 1012 SJ 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Planning Officer 5. If Amendment, Date Original Filed (Month/Day/Year) (Street) AMSTERDAM 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Share Units	(1)	(1)	Ordinary Shares	17,516	(1)	D
Restricted Share Units	(2)	(2)	Ordinary Shares	21,109	(2)	D
Performance-Based Restricted Share Units	(3)	(3)	Ordinary Shares	17,516	(3)	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Nakagawa Yo NIEUWEZIJDS VOORBURGWAL 162, 1012 SJ AMSTERDAM	X		Chief Planning Officer

Signatures

/s/ Marc Stone, as Attorney-in-Fact		03/30/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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).
(1)	Each restricted share unit represents a contingent right to receive one ordinary share of the Issuer, an equivalent amount of cash, or a combination thereof. Such restricted share units will vest in three substantially equal annual installments beginning on March 31, 2026.
(2)	Each restricted share unit represents a contingent right to receive one ordinary share of the Issuer, an equivalent amount of cash, or a combination thereof. Such restricted share units will vest on March 31, 2028.
(3)	Each performance-based restricted share unit represents a contingent right to receive one ordinary share of the Issuer, an equivalent amount of cash, or a combination thereof. The performance-based restricted share units are scheduled to vest based on the Issuer's ordinary shares having achieved a certain average closing price per share target by the end of the three-year performance period ending on March 31, 2028. Any earned performance-based restricted share units vest in full on March 31, 2028.
Remarks: Exhibit List: Exhibit 24 - Power of Attorney.

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