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Who

Mark A. Schallenberger

Chief Operating Officer

Company insider

Files Form 4 as: Chief Operating Officer, Xtant Medical Holdings.

In numbers

Trades disclosed
14
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
1
Companies where not an officer
0
First trade
15 Feb 2023
Last trade
15 Aug 2026
Last filed
18 Aug 2026

Companies traded

Where they are an officer
XTNT Xtant Medical HoldingsOfficer · Medical Devices · last 15 Aug 20260 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
15 Aug 2026filed 18 Aug 2026XTNT Xtant Medical HoldingsMedical DevicesSEC FORM 4 Code A—450,000 at $0.00filing
15 Aug 2026filed 18 Aug 2026XTNT Xtant Medical HoldingsMedical DevicesSEC FORM 4 Code F$2,1927,070 at $0.31filing
15 Aug 2026filed 18 Aug 2026XTNT Xtant Medical HoldingsMedical DevicesSEC FORM 4 Code A—450,000 at $0.00filing
15 Aug 2026filed 18 Aug 2026XTNT Xtant Medical HoldingsMedical DevicesSEC FORM 4 Code F$2,1927,070 at $0.31filing
15 Feb 2026filed 18 Feb 2026XTNT Xtant Medical HoldingsMedical DevicesSEC FORM 4 Code F$4,4717,709 at $0.58filing
15 Feb 2026filed 18 Feb 2026XTNT Xtant Medical HoldingsMedical DevicesSEC FORM 4 Code F$4,4717,709 at $0.58filing
15 Nov 2025filed 18 Nov 2025XTNT Xtant Medical Holdingsoption or derivative · Medical DevicesSEC FORM 4 Code A—584,506 at $0.00filing
15 Nov 2025filed 18 Nov 2025XTNT Xtant Medical HoldingsMedical DevicesSEC FORM 4 Code A—292,253 at $0.00filing
3 Apr 2024filed 17 Jan 2025XTNT Xtant Medical HoldingsMedical DevicesSEC FORM 4 Code A—173,469 at $0.00filing
3 Apr 2024filed 5 Apr 2024XTNT Xtant Medical HoldingsMedical DevicesSEC FORM 4 Code A—177,551 at $0.00filing
15 Aug 2023filed 17 Aug 2023XTNT Xtant Medical Holdingsoption or derivative · Medical DevicesSEC FORM 4 Code A—135,501 at $0.00filing
15 Aug 2023filed 17 Aug 2023XTNT Xtant Medical HoldingsMedical DevicesSEC FORM 4 Code A—116,144 at $0.00filing
15 Feb 2023filed 17 Feb 2023XTNT Xtant Medical Holdingsoption or derivative · Medical DevicesSEC FORM 4 Code A—105,000 at $0.00filing
15 Feb 2023filed 17 Feb 2023XTNT Xtant Medical HoldingsMedical DevicesSEC FORM 4 Code A—89,000 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

No trade we could place in a sector.

Related people

John K. BakewellDirector · Director at Xtant Medical Holdings, filing Form 4 there in the last year
Tyler LipschultzDirector · Director at Xtant Medical Holdings, filing Form 4 there in the last year
Stavros G. VizirgianakisDirector · Director at Xtant Medical Holdings, filing Form 4 there in the last year
Sean E. BrownePresident and CEO · President and CEO at Xtant Medical Holdings, filing Form 4 there in the last year
Scott C. NeilsCFO and Assistant Secretary · CFO and Assistant Secretary at Xtant Medical Holdings, filing Form 4 there in the last year