Summary
Updated Aug 30, 2026
Charles Cliff Duncan files SEC Form 4 reports at Vanda Pharmaceuticals Inc. (VNDA). 2 SEC Form 4 filings on record, most recently on 8 June 2026.
Recent Transactions
2Every recent SEC Form 4 transaction Charles Cliff Duncan has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Charles Cliff Duncan files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Mihael Hristos Polymeropoulos - $1.28M of VNDA open-market activity in the last 12 months
- Kevin Patrick Moran - $351K of VNDA open-market activity in the last 12 months
- Timothy Williams - $351K of VNDA open-market activity in the last 12 months
- Gunther Birznieks - $351K of VNDA open-market activity in the last 12 months
- Joakim Wijkstrom - $255K of VNDA open-market activity in the last 12 months
- Tage Honore - $241K of VNDA 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 Charles Cliff Duncan?
Charles Cliff Duncan is a corporate insider of Vanda Pharmaceuticals Inc. (VNDA). 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 Charles Cliff Duncan submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Charles Cliff Duncan'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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