Medirom Healthcare (NASDAQ: MRM) JGSDF adopts REMONY system for troops

Rhea-AI Filing Summary

MEDIROM Healthcare Technologies Inc. filed a Form 6-K to share that the Japan Ground Self-Defense Force has adopted its remote health monitoring system “REMONY”, which is powered by the recharge-free smart tracker “MOTHER Bracelet” developed by its subsidiary, MEDIROM MOTHER Labs Inc. The filing notes that further details are provided in a related press release furnished as an exhibit, and clarifies that this information is being furnished rather than filed for securities law purposes.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

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FORM 6-K

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REPORT OF FOREIGN PRIVATE ISSUER

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

UNDER THE SECURITIES EXCHANGE ACT OF 1934

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For the month of September, 2025

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Commission File Number 001-39809

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MEDIROM HEALTHCARE TECHNOLOGIES INC.

(Translation of registrant’s name into English)

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2-3-1 Daiba, Minato-ku

Tokyo 135-0091, Japan

(Address of principal executive office)

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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 18, 2025, MEDIROM Healthcare Technologies Inc. (the “Company”) is issuing a press release relating to the adoption by the Japan Ground Self-Defense Force (JGSDF) of the remote health monitoring system “REMONY,” powered by the recharge-free smart tracker “MOTHER Bracelet”, developed by its subsidiary, MEDIROM MOTHER Labs Inc., 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.

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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 18, 2025	​	​
​	By:	/s/ Fumitoshi Fujiwara
​	​	Name: Fumitoshi Fujiwara
​	​	Title: Chief Financial Officer

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FAQ

What does MEDIROM Healthcare Technologies Inc. (MRM) disclose in this Form 6-K?

The company reports that the Japan Ground Self-Defense Force has adopted its remote health monitoring system “REMONY”, which uses the recharge-free “MOTHER Bracelet” developed by its subsidiary, MEDIROM MOTHER Labs Inc.

Who is using MEDIROM’s REMONY and MOTHER Bracelet system according to the filing?

The filing states that the Japan Ground Self-Defense Force (JGSDF) has adopted the REMONY remote health monitoring system powered by MEDIROM’s MOTHER Bracelet smart tracker.

Is the detailed information about the JGSDF adoption included directly in MEDIROM’s Form 6-K?

The Form 6-K explains that more details about the JGSDF’s adoption of REMONY are provided in a press release, which is attached as Exhibit 99.1.

Does MEDIROM treat the information in this Form 6-K as filed or furnished?

The company specifies that the information in this Form 6-K, including the exhibit, is being furnished rather than filed and is not subject to Section 18 liability, nor incorporated into other filings unless specifically stated.

Which MEDIROM subsidiary developed the MOTHER Bracelet mentioned in the filing?

The MOTHER Bracelet was developed by MEDIROM’s subsidiary MEDIROM MOTHER Labs Inc., as noted in the Form 6-K.

Who signed MEDIROM Healthcare Technologies Inc.’s September 2025 Form 6-K?

The Form 6-K was signed on behalf of the company by Fumitoshi Fujiwara, who is identified as the Chief Financial Officer.