NICHOLAS M. GRINDSTAFF SEC EDGAR Filings (CIK 0001134710)

SEC EDGAR filings, ownership reports, and insider transactions for NICHOLAS M. GRINDSTAFF.

Business address
1800 Hughes Landing Blvd., Suite 250, The Woodlands, TX, 77380
Top holdings (ownership)
PWR and STRL
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NICHOLAS M. GRINDSTAFF has filed 53 SEC EDGAR filings since 14 Feb 2001

Latest Filings

Recent SEC filings for NICHOLAS M. GRINDSTAFF including 4, 3, 5.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 FORM 4 05 Jan 2026 31 Dec 2025 001-31993
4 Open 4 document View SEC filing for 4 FORM 4 10 Jul 2025 10 Jul 2025 001-31993
3 Open 3 document View SEC filing for 3 FORM 3 10 Jul 2025 10 Jul 2025 001-31993
4 Open 4 document View SEC filing for 4 FORM 4 17 Oct 2022 15 Sep 2022 001-35407
3 Open 3 document View SEC filing for 3 FORM 3 23 Nov 2021 15 Nov 2021 001-35407
4 Open 4 document View SEC filing for 4 FORM 4 12 May 2021 10 May 2021 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 29 Mar 2021 25 Mar 2021 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 05 Mar 2021 03 Mar 2021 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 02 Mar 2021 28 Feb 2021 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 05 Jan 2021 01 Jan 2021 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 04 Nov 2020 02 Nov 2020 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 30 Mar 2020 26 Mar 2020 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 06 Mar 2020 04 Mar 2020 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2020 28 Feb 2020 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2020 01 Jan 2020 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 11 Mar 2019 08 Mar 2019 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 04 Mar 2019 28 Feb 2019 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 02 Mar 2018 28 Feb 2018 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 24 Mar 2017 22 Mar 2017 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 02 Mar 2017 28 Feb 2017 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 01 Mar 2017 27 Feb 2017 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 22 Feb 2017 20 Feb 2017 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 01 Apr 2016 30 Mar 2016 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 01 Mar 2016 28 Feb 2016 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Mar 2015 16 Mar 2015 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2015 28 Feb 2015 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Mar 2014 28 Mar 2014 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Mar 2014 12 Mar 2014 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2014 28 Feb 2014 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Mar 2013 08 Mar 2013 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Mar 2013 28 Feb 2013 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 26 Dec 2012 24 Dec 2012 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Mar 2012 09 Mar 2012 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Mar 2012 28 Feb 2012 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Mar 2011 11 Mar 2011 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2011 28 Feb 2011 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Mar 2010 12 Mar 2010 001-13831
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2010 28 Feb 2010 001-13831

About this filer

NICHOLAS M. GRINDSTAFF files with the SEC under CIK 0001134710. 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.

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