Summary
Updated Aug 30, 2026
Stavros G. Vizirgianakis is Director of Xtant Medical Holdings, Inc. (XTNT). 3 SEC Form 4 filings on record going back to 2025, most recently on 18 August 2026.
Recent Transactions
3Every recent SEC Form 4 transaction Stavros G. Vizirgianakis has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who have reported open-market trades at the same companies as Stavros G. Vizirgianakis. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- ORBIMED ADVISORS LLC - $30.71M of XTNT open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Stavros G. Vizirgianakis?
Stavros G. Vizirgianakis is a corporate insider, tracked as Director of Xtant Medical Holdings, Inc. (XTNT). InsiderAlpha holds 3 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 Stavros G. Vizirgianakis submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Where can I see all of Stavros G. Vizirgianakis'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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