Stavros G. Vizirgianakis
CIK 1559834 · President and CEO · last filed 2025-11-18
Stavros G. Vizirgianakis is a President and CEO who has filed 26 SEC Form 4 insider transactions across 4 companies since 2013. The most recent filing, for XTNT, was dated Nov 18, 2025. Across all open-market trades the lifetime net is +$5.2M, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $27.0M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$26.98M
4
26
$5.19M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| XTNT | Director | 7,515,570 | $0.44 | $3.31M | $1.09M | 6 | 2025-11-18 |
| APYX | Director | — | $4.69 | — | $0 | 3 | 2025-05-19 |
| BVS | Director | 2,781,888 | $8.51 | $23.67M | $0 | 3 | 2022-06-22 |
| MISONIX INC (MSON) Delisted | CEO | 1,649,078 | $26.54 | $43.77M | $4.10M | 13 | 2021-07-02 |
Recent Filings
26 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-11-18 | XTNT | Grant (A) | +553,797 | $0 | EDGAR |
| 2025-05-19 | APYX | Grant (A) | — | $0 | EDGAR |
| 2025-01-17 | APYX | Grant (A) | — | $0 | EDGAR |
| 2024-08-19 | XTNT | Grant (A) | +748,648 | $0 | EDGAR |
| 2024-08-12 | APYX | Grant (A) | — | $0 | EDGAR |
| 2023-08-17 | XTNT | Grant (A) | +217,770 | $0 | EDGAR |
| 2022-11-17 | XTNT | Grant (A) | +144,639 | $0 | EDGAR |
| 2022-10-11 | XTNT | Buy (P) | +2,264,861 | $1.09M | EDGAR |
| 2022-08-26 | XTNT | Grant (A) | +70,776 | $0 | EDGAR |
| 2022-06-22 | BVS | Mixed | +965 | $0 | EDGAR |