Gregg Piontek

Business address
2700 Research Forest Drive, Suite 100, The Woodlands, TX, 77381
Top holdings (ownership)
NPKI
⭐ Add to watchlist ⭐
Get insider transactions for this reporting owner
Gregg Piontek has filed 60 SEC EDGAR filings since 14 Nov 2007

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jun 2025 01 Jun 2025 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 16 May 2025 14 May 2025 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 04 Jun 2024 01 Jun 2024 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 17 May 2024 15 May 2024 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 05 Jun 2023 01 Jun 2023 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 22 May 2023 18 May 2023 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 09 Aug 2022 05 Aug 2022 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jun 2022 01 Jun 2022 001-02960
4/A Open Document Open Filing PRIMARY DOCUMENT 24 May 2022 19 May 2022 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 20 May 2022 19 May 2022 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jun 2021 20 May 2021 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jun 2021 01 Jun 2021 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 12 Nov 2020 11 Nov 2020 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 03 Jun 2020 01 Jun 2020 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 22 May 2020 21 May 2020 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 12 May 2020 08 May 2020 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 05 Jul 2019 02 Jul 2019 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 04 Jun 2019 01 Jun 2019 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 28 May 2019 23 May 2019 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 15 Aug 2018 14 Aug 2018 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 05 Jun 2018 01 Jun 2018 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 18 May 2018 16 May 2018 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 03 May 2018 02 May 2018 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 18 Aug 2017 16 Aug 2017 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jun 2017 01 Jun 2017 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 23 May 2017 19 May 2017 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 18 May 2017 18 May 2017 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 12 Aug 2016 10 Aug 2016 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 13 Jun 2016 09 Jun 2016 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jun 2016 01 Jun 2016 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 20 May 2016 19 May 2016 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 23 Dec 2015 21 Dec 2015 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 11 Jun 2015 09 Jun 2015 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 09 Jun 2015 01 Jun 2015 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 27 May 2015 22 May 2015 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 21 Oct 2014 17 Oct 2014 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 11 Jun 2014 09 Jun 2014 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 23 May 2014 21 May 2014 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 23 Dec 2013 21 Dec 2013 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 21 Oct 2013 17 Oct 2013 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 11 Jun 2013 11 Jun 2013 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 07 Jun 2013 06 Jun 2013 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 15 May 2013 14 May 2013 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 18 Oct 2012 17 Oct 2012 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 12 Jun 2012 09 Jun 2012 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 08 Jun 2012 06 Jun 2012 001-02960
4 Open Document Open Filing PRIMARY DOCUMENT 09 Mar 2012 04 Mar 2012 001-02960