Vizirgianakis Stavros G. (CIK 1559834) reported 3 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-08-18). Recent activity: Buy XTNT (323,275 shares), Buy APYX (450,000 shares), Buy XTNT (553,797 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | Xtant Medical Holdings, Inc. (XTNT) | Director | Buy | 323,275 | $0 |
| 2026-06-15 | Apyx Medical Corp (APYX) | Director | Buy | 450,000 | $0 |
| 2025-11-18 | Xtant Medical Holdings, Inc. (XTNT) | Director | Buy | 553,797 | $0 |
Source: SEC Form 4 filings · as of 2026-08-18