David M. Demski SEC EDGAR Filings (CIK 0001555392)

SEC EDGAR filings, ownership reports, and insider transactions for David M. Demski.

Business address
C/O Alphatec Holdings, Inc., 1950 Camino Vida Roble, Carlsbad, CA, 92008
Top holdings (ownership)
ATEC
⭐ Add to watchlist ⭐
Get insider transactions for this reporting owner
David M. Demski has filed 51 SEC EDGAR filings since 02 Aug 2012

Latest Filings

Recent SEC filings for David M. Demski including 4, 144, 3 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 12 Dec 2025 11 Dec 2025 000-52024
144 Open 144 document View SEC filing for 144 11 Dec 2025
4 Open 4 document View SEC filing for 4 13 Jun 2025 11 Jun 2025 000-52024
4 Open 4 document View SEC filing for 4 4 21 Apr 2025 21 Apr 2025 001-40902
4 Open 4 document View SEC filing for 4 18 Dec 2024 18 Dec 2024 000-52024
4 Open 4 document View SEC filing for 4 12 Dec 2024 10 Dec 2024 001-40902
3 Open 3 document View SEC filing for 3 12 Dec 2024 10 Dec 2024 001-40902
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Nov 2024 15 Nov 2024 001-38721
4 Open 4 document View SEC filing for 4 21 Aug 2024 21 Aug 2024 000-52024
4 Open 4 document View SEC filing for 4 05 Aug 2024 02 Aug 2024 000-52024
4 Open 4 document View SEC filing for 4 14 Jun 2024 12 Jun 2024 000-52024
4 Open 4 document View SEC filing for 4 13 Nov 2023 09 Nov 2023 000-52024
4 Open 4 document View SEC filing for 4 19 Oct 2023 17 Oct 2023 000-52024
3 Open 3 document View SEC filing for 3 19 Oct 2023 17 Oct 2023 000-52024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Jun 2023 26 Jun 2023 001-38721
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Aug 2022 18 Aug 2022 001-38721
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 31 Jan 2022 27 Jan 2022 001-35621
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Nov 2021 22 Oct 2021 001-38721
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Apr 2021 23 Apr 2021 001-35621
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Feb 2021 31 Jan 2021 001-38721
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 03 Feb 2021 31 Jan 2021 001-38721
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2021 14 Jan 2021 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Dec 2020 16 Dec 2020 001-35621
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 18 Dec 2020 06 Aug 2020 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Aug 2020 06 Aug 2020 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Jan 2020 22 Jan 2020 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Feb 2019 22 Jan 2019 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Apr 2018 18 Apr 2018 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Apr 2018 12 Apr 2018 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Jan 2018 22 Jan 2018 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 30 Aug 2017 28 Aug 2017 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Feb 2017 30 Jan 2017 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Jan 2016 25 Jan 2016 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2015 26 Feb 2015 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Jan 2015 20 Jan 2015 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Mar 2014 06 Mar 2014 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Jan 2014 23 Jan 2014 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Jan 2014 15 Jan 2014 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jan 2014 31 Dec 2013 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Dec 2013 18 Dec 2013 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Nov 2013 26 Nov 2013 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Nov 2013 31 Oct 2013 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 26 Aug 2013 22 Aug 2013 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 May 2013 03 May 2013 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Mar 2013 11 Mar 2013 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Feb 2013 13 Feb 2013 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Jan 2013 24 Jan 2013 001-35621
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 28 Jan 2013 27 Dec 2012 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 31 Aug 2012 29 Aug 2012 001-35621
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Aug 2012 08 Aug 2012 001-35621
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 02 Aug 2012 02 Aug 2012 001-35621

About this filer

David M. Demski files with the SEC under CIK 0001555392. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

Related pages