Stavros G. Vizirgianakis

CIK: 0001559834

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)5 (100.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (3)

XTNT

Xtant Medical Holdings, Inc.

Director

APYX

Apyx Medical Corp

Director

MDNC

Medinotec Inc.

Director10% Owner

Discretionary Trading P&L

Holdings

Transaction History (5 total)

XTNT
Xtant Medical Holdings, Inc.
Aug 15, 2026
Award(A)
Direct
323.3K shares-
APYX
Apyx Medical Corp
Jun 11, 2026
Award(A)
Direct
450K shares-
XTNT
Xtant Medical Holdings, Inc.
Nov 15, 2025
Award(A)
Direct
553.8K shares-
APYX
Apyx Medical Corp
May 15, 2025
Award(A)
Stock Option (Option to Buy)
Direct
128K shares-
APYX
Apyx Medical Corp
Jan 15, 2025
Award(A)
Stock Option (Option to Buy)
Direct
50K shares-

		Type	Shares	Price		Ownership
Aug 15, 2026	XTNT Xtant Medical Holdings, Inc.	Award(A)	323,275	-	$0	Direct
Jun 11, 2026	APYX Apyx Medical Corp	Award(A)	450,000	-	$0	Direct
Nov 15, 2025	XTNT Xtant Medical Holdings, Inc.	Award(A)	553,797	-	-	Direct
May 15, 2025	APYX Apyx Medical Corp	Award(A) Stock Option (Option to Buy)	128,000	-	-	Direct
Jan 15, 2025	APYX Apyx Medical Corp	Award(A) Stock Option (Option to Buy)	50,000	-	-	Direct

1-5 of 5 transactions

About Vizirgianakis Stavros G.

Vizirgianakis Stavros G. (SEC CIK 0001559834) files insider reports with the SEC as Director of Xtant Medical Holdings, Inc. (XTNT), Director of Apyx Medical Corp (APYX) and Director of Medinotec Inc. (MDNC).

Signal8 holds 6 ownership filings by Vizirgianakis Stavros G. (1 Form 3, 5 Form 4), filed between Jan 17, 2025 and Aug 18, 2026. Those filings report 5 transactions, from Jan 15, 2025 to Aug 15, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Vizirgianakis Stavros G.'s filings is in BELGRADE, MT.

Recent filings by Vizirgianakis Stavros G.

Aug 15, 2026: Grant or award of XTNT shares (Form 4, code A).
Jun 11, 2026: Grant or award of APYX shares (Form 4, code A).
Nov 15, 2025: Grant or award of XTNT shares (Form 4, code A).
May 15, 2025: Grant or award of APYX derivative securities (Form 4, code A).
Jan 15, 2025: Grant or award of APYX derivative securities (Form 4, code A).

Other insiders filing for Xtant Medical Holdings, Inc. (XTNT)

Lipschultz Tyler, Director
BAKEWELL JOHN K, Director
Beeson Jonn R., Director
JAIN ABHINAV, Director
Schallenberger Mark A., Chief Operating Officer
Neils Scott C, CFO and Assistant Secretary

How to read Form 4 transaction codes