Coincheck (CNCK) CEO details direct, LLC and family share stakes

Rhea-AI Filing Summary

Coincheck Group N.V. CEO and President Gary A. Simanson filed an initial ownership report showing his stake in the company’s ordinary shares. He reports 233,919 ordinary shares held directly, plus indirect holdings of 485,398 shares through Thunder Bridge Capital, LLC, and additional indirect holdings of 100,000 shares by his spouse and 50,000 shares each by two children. Footnotes note that some reported securities are restricted stock units under the 2024 Omnibus Incentive Plan and that Simanson disclaims beneficial ownership of certain indirect holdings except to the extent of his pecuniary interest.

SEC 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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1. Name and Address of Reporting Person^*

Simanson Gary A

(Last) (First) (Middle)

C/O COINCHECK GROUP N.V.

NIEUWEZIJDS VOORBURGWAL 162

(Street)

AMSTERDAM 1012 SJ

(City) (State) (Zip)

NETHERLANDS

(Country)

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 ]

3a. Foreign Trading Symbol

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

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

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

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

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

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)
Ordinary shares	233,919(1)	D
Ordinary shares	485,398(2)	I	By Thunder Bridge Capital, LLC
Ordinary shares	100,000(3)	I	By spouse
Ordinary shares	50,000(3)	I	By child
Ordinary shares	50,000(3)	I	By child

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: 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

Explanation of Responses:

1. Certain of the securities reported in Column 2 of Table I are restricted stock units ("RSUs"), each of which represents the contingent right to receive one of the Issuer's ordinary shares with a nominal value of one eurocent (EUR 0.01) each, subject to the conditions of the applicable RSU award (including the vesting schedule set forth therein) and the Issuer's 2024 Omnibus Incentive Plan.

2. The Reporting Person is the managing director of Thunder Bridge Capital, LLC. The Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

3. The Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

	/s/ Nelson Mullins Riley & Scarborough LLP, Attorney-in-Fact	03/18/2026
	** 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 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).
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 3: SEC 1473 (03-26)

FAQ

What does the CNCK Form 3 filing by CEO Gary A. Simanson show?

The Form 3 shows CEO Gary A. Simanson’s initial ownership in Coincheck Group N.V. It lists his direct ordinary share holdings, indirect stakes through Thunder Bridge Capital, LLC, and additional shares held by his spouse and children, establishing his overall equity exposure and relationships.

How many Coincheck (CNCK) shares does Gary A. Simanson hold directly?

Gary A. Simanson reports holding 233,919 ordinary shares directly. This figure reflects only his personal direct ownership, separate from any indirect interests held through Thunder Bridge Capital, LLC or family members, which are disclosed in additional line items in the same Form 3 filing.

What indirect Coincheck (CNCK) holdings are tied to Thunder Bridge Capital, LLC?

The filing reports 485,398 ordinary shares held indirectly through Thunder Bridge Capital, LLC. Simanson is the managing director of this entity and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest, according to the accompanying Form 3 footnote disclosure.

How are Gary A. Simanson’s family holdings in CNCK shares reported?

The Form 3 lists 100,000 ordinary shares held by his spouse and 50,000 ordinary shares held by each of two children as indirect ownership. A footnote states he disclaims beneficial ownership of these family-held securities except to the extent of any pecuniary interest.

Does the CNCK Form 3 include restricted stock units (RSUs)?

Yes. A footnote explains that certain securities reported are restricted stock units (RSUs), each representing a contingent right to receive one ordinary share, subject to vesting and other conditions under Coincheck Group N.V.’s 2024 Omnibus Incentive Plan and the specific RSU award terms.

Does Gary A. Simanson fully own all CNCK shares reported on the Form 3?

The Form 3 states that Simanson disclaims beneficial ownership of some reported securities, including those held through Thunder Bridge Capital, LLC and certain family accounts, except to the extent of his pecuniary interest. This clarifies that not all reported shares represent full economic ownership.