Summary
Updated Aug 31, 2026
Mihael Hristos Polymeropoulos is President and CEO of Vanda Pharmaceuticals Inc. (VNDA). 3 SEC Form 4 filings on record going back to 2025, most recently on 4 March 2026. Most recent open-market trade: sold $1.28M of VNDA on 4 March 2026. Lifetime open-market purchases: $42K. Lifetime open-market sales: $1.28M.
Recent Transactions
3Every recent SEC Form 4 transaction Mihael Hristos Polymeropoulos has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Mihael Hristos Polymeropoulos go back to 2025: 3 primary Form 4 filings, an average of 1.5 per year. The typical open-market purchase is $42K (1 buy totaling $42K). The largest single buy on record is $42K of VNDA in 2025. Sales side: 1 recorded sale totaling $1.28M, so the filing history runs sell-heavy by dollar value. 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 Stocks
Insiders who reported open-market trades in the last 12 months at the companies Mihael Hristos Polymeropoulos 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.
- 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 Mihael Hristos Polymeropoulos?
Mihael Hristos Polymeropoulos is a corporate insider, tracked as President and CEO of Vanda Pharmaceuticals Inc. (VNDA). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Mihael Hristos Polymeropoulos last file a Form 4?
The most recent primary Form 4 on record is dated 4 March 2026, one of 3 filings going back to 2025.
Has Mihael Hristos Polymeropoulos been buying or selling stock?
Recorded transactions: 1 open-market purchase ($42K) and 1 open-market sale ($1.28M) across all tracked filings.
Where can I see all of Mihael Hristos Polymeropoulos'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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