Summary
Updated Aug 30, 2026
Kouji Eguchi is Chief Executive Officer, Director, 10% Owner of Medirom Healthcare Technologies Inc. (MRM). 1 SEC Form 4 filing on record, dated 29 August 2026.
Recent Transactions
1Every recent SEC Form 4 transaction Kouji Eguchi has reported, most recent first.
Most Active Insiders Right Now
Kouji Eguchi has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- BX Mozart ML-2 Holdco L.P. - $1.22B of MDLN open-market activity in the last 90 days
- Hellman & Friedman Capital Partners X (Parallel), L.P. - $1.16B of MDLN open-market activity in the last 90 days
- James Michael Chu - $1.10B of BIRK open-market activity in the last 90 days
- SUMITOMO MITSUI FINANCIAL GROUP, INC. - $995.27M of JEF open-market activity in the last 90 days
- Uber Technologies, Inc - $950.85M of AUR open-market activity in the last 90 days
- KKR Phoenix Aggregator L.P. - $857.49M of BTSG open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Kouji Eguchi?
Kouji Eguchi is a corporate insider, tracked as Chief Executive Officer, Director, 10% Owner of Medirom Healthcare Technologies Inc. (MRM). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Kouji Eguchi submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Kouji Eguchi's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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