Summary
Updated Aug 30, 2026
Hiroshi Kubota files SEC Form 4 reports at 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 Hiroshi Kubota 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
Hiroshi Kubota has no co-filers on record, so these are insiders with the largest open-market activity across the market 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
- Insight Holdings Group, LLC - $174.75M of HNGE open-market activity in the last 90 days
- BVF PARTNERS L P - $173.67M of KYMR open-market activity in the last 90 days
- KL Pattern Holdings LP - $166.93M of PTRN open-market activity in the last 90 days
- Silver Lake Partners V DE (AIV), L.P. - $165.05M of DELL 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 Hiroshi Kubota?
Hiroshi Kubota is a corporate insider 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 Hiroshi Kubota submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Where can I see all of Hiroshi Kubota'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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