Stavros G. Vizirgianakis

Business address
C/O Xtant Medical Holdings, Inc., 664 Cruiser Lane, Belgrade, MT, 59714
Top holdings (ownership)
BVS and XTNT
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Stavros G. Vizirgianakis has filed 41 SEC EDGAR filings since 12 Oct 2012

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT 18 Nov 2025 15 Nov 2025 001-34951
SCHEDULE 13D Open Document Open Filing 12 Jun 2025
3 Open Document Open Filing 12 Jun 2025 16 Apr 2025 000-56737
4 Open Document Open Filing 19 May 2025 15 May 2025 001-31885
4 Open Document Open Filing 17 Jan 2025 15 Jan 2025 001-31885
4 Open Document Open Filing PRIMARY DOCUMENT 19 Aug 2024 15 Aug 2024 001-34951
4 Open Document Open Filing 12 Aug 2024 08 Aug 2024 001-31885
3 Open Document Open Filing 09 May 2024 07 May 2024 001-31885
SC 13D/A Open Document Open Filing SC 13D/A 09 May 2024
SC 13D Open Document Open Filing SC 13D 01 Apr 2024
4 Open Document Open Filing PRIMARY DOCUMENT 17 Aug 2023 15 Aug 2023 001-34951
4 Open Document Open Filing PRIMARY DOCUMENT 17 Nov 2022 15 Nov 2022 001-34951
4 Open Document Open Filing PRIMARY DOCUMENT 11 Oct 2022 07 Oct 2022 001-34951
SC 13D Open Document Open Filing SC 13D 06 Sep 2022
4 Open Document Open Filing PRIMARY DOCUMENT 26 Aug 2022 25 Aug 2022 001-34951
3 Open Document Open Filing PRIMARY DOCUMENT 26 Aug 2022 25 Aug 2022 001-34951
4 Open Document Open Filing FORM 4 SUBMISSION 22 Jun 2022 16 Jun 2022 001-37844
4 Open Document Open Filing FORM 4 SUBMISSION 28 Apr 2022 29 Oct 2021 001-37844
4 Open Document Open Filing 08 Dec 2021 29 Oct 2021 001-10986
4 Open Document Open Filing FORM 4 SUBMISSION 02 Nov 2021 29 Oct 2021 001-37844
3 Open Document Open Filing FORM 3 SUBMISSION 02 Nov 2021 29 Oct 2021 001-37844
4 Open Document Open Filing 02 Jul 2021 30 Jun 2021 001-10986
4 Open Document Open Filing 02 Jul 2020 30 Jun 2020 001-10986
4 Open Document Open Filing 20 May 2020 14 May 2020 001-10986
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Mar 2020 12 Mar 2020 001-10986
4 Open Document Open Filing OWNERSHIP DOCUMENT 26 Nov 2019 22 Nov 2019 001-10986
4 Open Document Open Filing 4 25 Sep 2017 21 Sep 2017 001-10986
4 Open Document Open Filing OWNERSHIP DOCUMENT 22 Dec 2016 21 Dec 2016 001-10986
4 Open Document Open Filing 4 19 Dec 2016 15 Dec 2016 001-10986
SC 13D/A Open Document Open Filing SC 13D/A 26 Oct 2016
4 Open Document Open Filing 4 26 Oct 2016 25 Oct 2016 001-10986
SC 13D/A Open Document Open Filing SC 13D/A 01 Sep 2016
4 Open Document Open Filing OWNERSHIP DOCUMENT 08 Feb 2016 04 Feb 2016 001-10986
4 Open Document Open Filing OWNERSHIP DOCUMENT 05 Feb 2015 03 Feb 2015 001-10986
SC 13D/A Open Document Open Filing SC 13D/A 18 Jun 2014
4 Open Document Open Filing OWNERSHIP DOCUMENT 18 Jun 2014 16 Jun 2014 001-10986