Medirom CEO Eguchi Kouji files Form 3 holdings

Medirom Healthcare Technologies Inc. director and Chief Executive Officer Eguchi Kouji filed an initial ownership report showing his existing stake in the company.

Accepted by SEC EDGAR 03/18/2026 - 01:23 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Medirom Healthcare Technologies Inc. director and Chief Executive Officer Eguchi Kouji filed an initial ownership report showing his existing stake in the company. He directly holds 1,877,460 common shares, plus additional indirect holdings, and holds options to purchase 150,000 common shares and 36,500 common shares at stated exercise prices and terms.

Insider Trade Summary

Holdings reported, no transactions

Holdings

Insider Eguchi Kouji

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Holding	Options to Purchase Common Shares	--	--	--
Holding	Options to Purchase Common Shares	--	--	--
Holding	Common Shares	--	--	--
Holding	Common Shares	--	--	--
Holding	Common Shares	--	--	--

Holdings: Options to Purchase Common Shares — 186,500 contracts (Direct); Common Shares — 1,877,460 shares (Direct); Common Shares — 47,543 shares (Indirect, See footnote)

Footnotes (4)

1. F1. Represents common shares held by the reporting person underlying 22,543 American Depositary Shares.
2. F2. The shares are directly held by COZY LLC, a limited liability company (godo kaisha) organized under the laws of Japan that is wholly owned and controlled by the reporting person.
3. F3. Represents stock options to purchase 150,000 common shares at an exercise price of 2,000 Japanese Yen. The options were granted to the reporting person on October 30, 2020, became exercisable on October 1, 2021, and expire on September 30, 2026.
4. F4. Represents stock options to purchase 36,500 common shares at an exercise price of $1.74. The options were granted to the reporting person on July 18, 2025, become exercisable on July 18, 2026, and expire on July 17, 2030.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Eguchi Kouji’s Form 3 filing for MRM report?

The Form 3 reports Eguchi Kouji’s existing ownership in Medirom Healthcare Technologies Inc. It lists his direct and indirect common share holdings and his outstanding stock options, giving investors a snapshot of his equity stake as a director, Chief Executive Officer, and significant shareholder.

How many Medirom (MRM) common shares does Eguchi Kouji hold directly?

He holds 1,877,460 common shares directly. This figure reflects his personal ownership position in Medirom Healthcare Technologies Inc., separate from any indirect holdings through entities or American Depositary Shares described in the footnotes to the insider ownership disclosure.

What indirect Medirom (MRM) holdings are disclosed for Eguchi Kouji?

The filing shows indirect ownership of common shares, including shares underlying 22,543 American Depositary Shares and shares held by COZY LLC, a Japanese limited liability company wholly owned and controlled by him, as described in the footnotes to the insider ownership statement.

What stock options for Medirom (MRM) does Eguchi Kouji hold?

He holds options to purchase 150,000 common shares at an exercise price of 2,000 Japanese Yen and options to purchase 36,500 common shares at an exercise price of $1.74, with specific grant, vesting, and expiration dates detailed in the footnotes.

Are there any buy or sell transactions in this Medirom (MRM) Form 3?

No new buy or sell transactions are reported. The Form 3 serves as an initial statement of beneficial ownership, listing Eguchi Kouji’s existing common share and option positions rather than documenting recent purchases, sales, or other trading activity in Medirom securities.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Eguchi Kouji

(Last) (First) (Middle)

2-3-1 DAIBA

(Street)

MINATO-KU 135-0091

(City) (State) (Zip)

JAPAN

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Medirom Healthcare Technologies Inc. [ MRM ]

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

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)
Common Shares	1,877,460	D
Common Shares	22,543(1)	I	See footnote(2)
Common Shares	25,000	I	See footnote(2)

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
Options to Purchase Common Shares	(3)	(3)	Common Shares	150,000	(3)	D
Options to Purchase Common Shares	(4)	(4)	Common Shares	36,500	(4)	D

Explanation of Responses:

1. Represents common shares held by the reporting person underlying 22,543 American Depositary Shares.

2. The shares are directly held by COZY LLC, a limited liability company (godo kaisha) organized under the laws of Japan that is wholly owned and controlled by the reporting person.

3. Represents stock options to purchase 150,000 common shares at an exercise price of 2,000 Japanese Yen. The options were granted to the reporting person on October 30, 2020, became exercisable on October 1, 2021, and expire on September 30, 2026.

4. Represents stock options to purchase 36,500 common shares at an exercise price of $1.74. The options were granted to the reporting person on July 18, 2025, become exercisable on July 18, 2026, and expire on July 17, 2030.

Remarks:

The reporting person also holds one Class A Share with special voting rights. See the issuer's articles of incorporation for additional information.

	By: /s/ Kouji Eguchi Name: Kouji Eguchi	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)