Summary
Updated Aug 31, 2026
Katsunori Yokomaku is Senior Managing Corporate Executive of MITSUBISHI UFJ FINANCIAL GROUP INC (MUFG). 2 SEC Form 4 filings on record, most recently on 2 July 2026.
Trading Pattern
InsiderAlpha's records for Katsunori Yokomaku go back to 2026: 2 primary Form 4 filings, an average of 2.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Most Active Insiders Right Now
Katsunori Yokomaku has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Peter A. Feld - $192.29M of QRVO open-market activity in the last 90 days
- Nathan Blecharczyk - $190.48M of ABNB open-market activity in the last 90 days
- John Oyler - $189.61M of ONC open-market activity in the last 90 days
- WBR Holdings LLC - $177.14M of WBI open-market activity in the last 90 days
- David N. Capobianco - $177.14M of WBI open-market activity in the last 90 days
- WaterBridge Resources LLC - $177.14M of WBI 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 Katsunori Yokomaku?
Katsunori Yokomaku is a corporate insider, tracked as Senior Managing Corporate Executive of MITSUBISHI UFJ FINANCIAL GROUP INC (MUFG). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Katsunori Yokomaku submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Where can I see all of Katsunori Yokomaku'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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