Medirom updates on tech-equipped salon expansion

MEDIROM Healthcare Technologies Inc. submitted a Form 6-K as a foreign private issuer to share an operational update.

Rhea-AI Filing Summary

MEDIROM Healthcare Technologies Inc. submitted a Form 6-K as a foreign private issuer to share an operational update. The company states that on September 25, 2025, it is issuing a press release about expanding the number of its relaxation salon locations that are equipped with a new technological device. The details of this expansion and the device itself are provided in the press release attached as Exhibit 99.1.

The company notes that the information in this Form 6-K and its exhibit is being furnished rather than filed, meaning it is not automatically subject to certain liability provisions or incorporated into other securities filings unless specifically referenced.

FAQ

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

What does MEDIROM (MRM) disclose in this Form 6-K?

The company discloses that it is issuing a press release on September 25, 2025 regarding the expansion of relaxation salon locations equipped with a new technological device, with full details contained in the attached Exhibit 99.1.

What operational change is MEDIROM (MRM) highlighting?

MEDIROM is highlighting that it is expanding the number of its relaxation salon locations that are equipped with a new technological device, as described in an accompanying press release.

Where can investors find more details about MEDIROM’s new technological device?

More details are provided in the company’s press release, which is attached to the Form 6-K as Exhibit 99.1.

Is the information in MEDIROM’s Form 6-K considered filed with the SEC?

The company states that the information in this Form 6-K, including the exhibit, is furnished rather than filed and is not subject to Section 18 liability or incorporated into other filings unless specifically provided.

Which executive signed MEDIROM’s September 25, 2025 Form 6-K?

The Form 6-K was signed on behalf of MEDIROM Healthcare Technologies Inc. by Fumitoshi Fujiwara, Chief Financial Officer, dated September 25, 2025.

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Accepted by SEC EDGAR 09/25/2025 - 04:30 PM Learn about SEC filing dates

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of September, 2025

Commission File Number 001-39809

MEDIROM HEALTHCARE TECHNOLOGIES INC.

(Translation of registrant’s name into English)

2-3-1 Daiba, Minato-ku

Tokyo 135-0091, Japan

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

☒ Form 20-F ☐ Form 40-F

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INFORMATION CONTAINED IN THIS FORM 6-K REPORT

Issuance of Press Release

On September 25, 2025, MEDIROM Healthcare Technologies Inc. (the “Company”) is issuing a press release relating to expanding the number of its relaxation salon locations that are equipped with a new technological device, as described in more detail in the press release. A copy of the press release is furnished as Exhibit 99.1 hereto.

The information furnished in this report on Form 6-K (including the exhibit hereto) shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Exchange Act, as amended, except to the extent specifically provided in such a filing.

EXHIBIT INDEX

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Exhibit No.		Description
99.1	​	Press release of the Company

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

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​	MEDIROM Healthcare Technologies Inc.
Date: September 25, 2025	​
​	By:	/s/ Fumitoshi Fujiwara
​	​	Name: Fumitoshi Fujiwara
​	​	Title: Chief Financial Officer

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