Summary
Updated Aug 31, 2026
Ryoko Nagata is Director of HONDA MOTOR CO LTD (HMC). 5 SEC Form 4 filings on record, most recently on 6 August 2026.
Recent Transactions
5Every recent SEC Form 4 transaction Ryoko Nagata has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Ryoko Nagata go back to 2026: 5 primary Form 4 filings, an average of 5.0 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
Ryoko Nagata has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Martine A. Rothblatt - $298.98M of UTHR open-market activity in the last 90 days
- Frank Slootman - $294.67M of SNOW open-market activity in the last 90 days
- Chitung Liu - $294.29M of UMC open-market activity in the last 90 days
- Peter Beck - $286.41M of RKLB open-market activity in the last 90 days
- SLTA V (GP), L.L.C. - $275.19M of FA open-market activity in the last 90 days
- Ignition Acquisition Holdings LP - $274.88M of OPLN 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 Ryoko Nagata?
Ryoko Nagata is a corporate insider, tracked as Director of HONDA MOTOR CO LTD (HMC). InsiderAlpha holds 5 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 Ryoko Nagata submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Where can I see all of Ryoko Nagata'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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