Vizirgianakis Stavros G. insider trades
Vizirgianakis Stavros G. has filed 16 Form 4s with the SEC that we hold, for Xtant Medical Holdings, Inc. (XTNT) (Director), Apyx Medical Corp (APYX) (Director), Bioventus Inc. (BVS) (Director) and MSON (President and CEO, Director). Across all of them we count 1 purchase worth $1.1M and 0 sales worth $0 reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a purchase of 2,264,861 shares of Xtant Medical Holdings, Inc. worth $1.1M, dated 2022-10-07. The first filing on our record is dated 2021-07-02 and the latest 2026-08-18.
Xtant Medical Holdings, Inc. (XTNT)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2022-10-07 | P, purchase reported on Form 4 | 2,264,861 | $1.1M | 2022-10-11 |
Apyx Medical Corp (APYX)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Bioventus Inc. (BVS)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
MSON
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1559834) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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