# EDGAR Filing Document

**Accession Number:** 0001836369
**File Stem:** 0001104659-26-030568
**Filing Date:** 2026-3
**Character Count:** 5530
**Document Hash:** e755219a4752168f94d34f7608926bdb
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-030568.hdr.sgml**: 20260318

**ACCESSION NUMBER**: 0001104659-26-030568

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260318

**FILED AS OF DATE**: 20260318

**DATE AS OF CHANGE**: 20260318

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Eguchi Kouji
- **CENTRAL INDEX KEY:** 0001836369

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39809
- **FILM NUMBER:** 26767693

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 2-3-1 DAIBA, MINATO-KU
- **CITY:** TOKYO
- **PROVINCE COUNTRY:** M0
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Medirom Healthcare Technologies Inc.
- **CENTRAL INDEX KEY:** 0001819704
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-PERSONAL SERVICES [7200]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** M0
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 2-3-1 DAIBA, MINATO-KU
- **CITY:** TOKYO
- **PROVINCE COUNTRY:** M0
- **BUSINESS PHONE:** 81-3-6721-7364

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 2-3-1 DAIBA, MINATO-KU
- **CITY:** TOKYO
- **PROVINCE COUNTRY:** M0

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Eguchi Kouji<br><sub>(Last) (First) (Middle)</sub><br>2-3-1 DAIBA<br><sub>(Street)</sub><br>MINATO-KU, JAPAN 135-0091<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Medirom Healthcare Technologies Inc. [ MRM ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-03-18 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [X] 10% Owner<br>[X] Officer (give title below)   [ ] Other (specify below)<br>_Chief Executive Officer_ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Common Shares | 1877460 | D |  |
| Common Shares | 22543<sup>(1)</sup> | I | See footnote<sup>(2)</sup> |
| Common Shares | 25000 | I | See footnote<sup>(2)</sup> |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| Options to Purchase Common Shares | <sup>(3)</sup> | <sup>(3)</sup> | Common Shares | 150000 | <sup>(3)</sup> | D |  |
| Options to Purchase Common Shares | <sup>(4)</sup> | <sup>(4)</sup> | Common Shares | 36500 | <sup>(4)</sup> | D |  |

---

### Footnotes:

(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.

**Signature:** By: /s/ Kouji Eguchi Name: Kouji Eguchi  
**Date:** 2026-03-18

### Remarks:

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.**