Summary
Updated Aug 30, 2026
Hideki Nagao is Director of MEDICINOVA INC (MNOV). 2 SEC Form 4 filings on record going back to 2025, most recently on 25 June 2026.
Trading Pattern
InsiderAlpha's records for Hideki Nagao go back to 2025: 2 primary Form 4 filings, an average of 1.0 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.
Other Insiders Active in the Same Sector
No other insider has filed at Hideki Nagao's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Adage Capital Management, L.P. - $33.20M of PRAX open-market activity in the last 12 months
- BAKER BROS. ADVISORS LP - $33.00M of REPL open-market activity in the last 12 months
- Casdin Capital, LLC - $32.57M of WGS open-market activity in the last 12 months
- Paul B. Manning - $31.74M of LQDA open-market activity in the last 12 months
- LILLY ENDOWMENT INC - $3.10B of LLY open-market activity in the last 12 months
- KKR Phoenix Aggregator L.P. - $2.09B of BTSG open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Hideki Nagao?
Hideki Nagao is a corporate insider, tracked as Director of MEDICINOVA INC (MNOV). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Hideki Nagao submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Hideki Nagao'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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