Stavros G. Vizirgianakis - Nov 15, 2025 Form 4 Insider Report for Xtant Medical Holdings, Inc. (XTNT)

Role: Director
Signature: /s/ Amy Culbert, attorney-in-fact
Stock symbol: XTNT
Transactions as of: Nov 15, 2025
Transactions value $: $0
Form type: 4
Date filed: 11/18/2025, 05:34 PM
Previous filing: May 19, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Vizirgianakis Stavros G.	Director	C/O XTANT MEDICAL HOLDINGS, INC., 664 CRUISER LANE, BELGRADE	/s/ Amy Culbert, attorney-in-fact	2025-11-18	0001559834

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	XTNT	Common Stock	Award	$0	+554K	+7.95%	$0.00	7.52M	Nov 15, 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These shares are subject to a deferred stock unit (DSU) award granted under the Xtant Medical Holdings, Inc. Amended and Restated 2023 Equity Incentive Plan and will vest on November 15, 2026, conditioned upon the Reporting Person remaining a director of Xtant through the vesting date. The settlement of the vested shares underlying the DSU award has been deferred and will occur at a later date pursuant to the terms of the DSU award agreement. Each DSU represents a contingent right to receive one share of the Issuer's common stock.
F2	Includes 1,520,215 shares issuable upon settlement of deferred stock units granted under the Xtant Medical Holdings, Inc. Amended and Restated 2023 Equity Incentive Plan, conditioned upon the Reporting Person remaining a director of Xtant through the respective vesting dates.

Content

These shares are subject to a deferred stock unit (DSU) award granted under the Xtant Medical Holdings, Inc. Amended and Restated 2023 Equity Incentive Plan and will vest on November 15, 2026, conditioned upon the Reporting Person remaining a director of Xtant through the vesting date. The settlement of the vested shares underlying the DSU award has been deferred and will occur at a later date pursuant to the terms of the DSU award agreement. Each DSU represents a contingent right to receive one share of the Issuer's common stock.

Includes 1,520,215 shares issuable upon settlement of deferred stock units granted under the Xtant Medical Holdings, Inc. Amended and Restated 2023 Equity Incentive Plan, conditioned upon the Reporting Person remaining a director of Xtant through the respective vesting dates.