DEREK J. MAETZOLD SEC EDGAR Filings (CIK 0001239501)

SEC EDGAR filings, ownership reports, and insider transactions for DEREK J. MAETZOLD.

Business address
820 S. Friendswood Drive, Suite 201, Friendswood, TX, 77546
Top holdings (ownership)
CSTL
Get insider transactions for this reporting owner
DEREK J. MAETZOLD has filed 210 SEC EDGAR filings since 05 Mar 2004

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 14 Jan 2026 12 Jan 2026 001-38984
4 Open Document Open Filing FORM 4 07 Jan 2026 05 Jan 2026 001-38984
144 Open Document Open Filing 05 Jan 2026
4 Open Document Open Filing FORM 4 29 Dec 2025 22 Dec 2025 001-38984
4 Open Document Open Filing FORM 4 19 Dec 2025 17 Dec 2025 001-38984
4 Open Document Open Filing FORM 4 17 Dec 2025 15 Dec 2025 001-38984
144 Open Document Open Filing 15 Dec 2025
4 Open Document Open Filing FORM 4 11 Dec 2025 09 Dec 2025 001-38984
4 Open Document Open Filing FORM 4 08 Dec 2025 04 Dec 2025 001-38984
4 Open Document Open Filing FORM 4 04 Dec 2025 02 Dec 2025 001-38984
4 Open Document Open Filing FORM 4 01 Dec 2025 26 Nov 2025 001-38984
4 Open Document Open Filing FORM 4 26 Nov 2025 25 Nov 2025 001-38984
144 Open Document Open Filing 25 Nov 2025
4 Open Document Open Filing FORM 4 20 Nov 2025 18 Nov 2025 001-38984
4 Open Document Open Filing FORM 4 06 Nov 2025 04 Nov 2025 001-38984
144 Open Document Open Filing 04 Nov 2025
4 Open Document Open Filing FORM 4 23 Oct 2025 20 Oct 2025 001-38984
4 Open Document Open Filing FORM 4 06 Oct 2025 02 Oct 2025 001-38984
144 Open Document Open Filing 02 Oct 2025
4 Open Document Open Filing FORM 4 19 Sep 2025 17 Sep 2025 001-38984
4 Open Document Open Filing FORM 4 04 Sep 2025 02 Sep 2025 001-38984
4 Open Document Open Filing FORM 4 19 Aug 2025 15 Aug 2025 001-38984
144 Open Document Open Filing 15 Aug 2025
4 Open Document Open Filing FORM 4 15 Aug 2025 13 Aug 2025 001-38984
144 Open Document Open Filing 13 Aug 2025
4 Open Document Open Filing FORM 4 12 Aug 2025 08 Aug 2025 001-38984
4 Open Document Open Filing FORM 4 01 Jul 2025 27 Jun 2025 001-38984
144 Open Document Open Filing 27 Jun 2025
4 Open Document Open Filing FORM 4 23 Apr 2025 21 Apr 2025 001-38984
4 Open Document Open Filing FORM 4 10 Apr 2025 08 Apr 2025 001-38984
144 Open Document Open Filing 08 Apr 2025
4 Open Document Open Filing FORM 4 28 Mar 2025 26 Mar 2025 001-38984
4 Open Document Open Filing FORM 4 11 Mar 2025 07 Mar 2025 001-38984
144 Open Document Open Filing 07 Mar 2025
4 Open Document Open Filing FORM 4 06 Mar 2025 04 Mar 2025 001-38984
144 Open Document Open Filing 04 Mar 2025
4 Open Document Open Filing FORM 4 15 Jan 2025 13 Jan 2025 001-38984
4 Open Document Open Filing FORM 4 08 Jan 2025 06 Jan 2025 001-38984
4 Open Document Open Filing FORM 4 19 Dec 2024 17 Dec 2024 001-38984
4 Open Document Open Filing FORM 4 17 Dec 2024 13 Dec 2024 001-38984
144 Open Document Open Filing 13 Dec 2024
4 Open Document Open Filing FORM 4 11 Dec 2024 09 Dec 2024 001-38984
4 Open Document Open Filing FORM 4 09 Dec 2024 05 Dec 2024 001-38984
4 Open Document Open Filing FORM 4 14 Nov 2024 12 Nov 2024 001-38984
4 Open Document Open Filing FORM 4 06 Nov 2024 04 Nov 2024 001-38984
144 Open Document Open Filing 04 Nov 2024
4 Open Document Open Filing FORM 4 16 Oct 2024 14 Oct 2024 001-38984
4 Open Document Open Filing FORM 4 10 Oct 2024 08 Oct 2024 001-38984
4 Open Document Open Filing FORM 4 08 Oct 2024 04 Oct 2024 001-38984
4 Open Document Open Filing FORM 4 18 Sep 2024 16 Sep 2024 001-38984
4 Open Document Open Filing FORM 4 13 Sep 2024 11 Sep 2024 001-38984
4 Open Document Open Filing FORM 4 11 Sep 2024 09 Sep 2024 001-38984
144 Open Document Open Filing 09 Sep 2024
4 Open Document Open Filing FORM 4 05 Sep 2024 03 Sep 2024 001-38984
4 Open Document Open Filing FORM 4 03 Sep 2024 29 Aug 2024 001-38984
4 Open Document Open Filing FORM 4 27 Aug 2024 23 Aug 2024 001-38984
144 Open Document Open Filing 23 Aug 2024
4 Open Document Open Filing FORM 4 13 Aug 2024 09 Aug 2024 001-38984
4 Open Document Open Filing FORM 4 05 Jun 2024 03 Jun 2024 001-38984
144 Open Document Open Filing 03 Jun 2024
4 Open Document Open Filing FORM 4 16 May 2024 14 May 2024 001-38984
4 Open Document Open Filing FORM 4 08 May 2024 06 May 2024 001-38984
4 Open Document Open Filing FORM 4 25 Apr 2024 23 Apr 2024 001-38984
4 Open Document Open Filing FORM 4 16 Apr 2024 12 Apr 2024 001-38984
144 Open Document Open Filing 12 Apr 2024
4 Open Document Open Filing FORM 4 05 Apr 2024 03 Apr 2024 001-38984
4 Open Document Open Filing FORM 4 22 Mar 2024 20 Mar 2024 001-38984
4 Open Document Open Filing FORM 4 11 Mar 2024 07 Mar 2024 001-38984
144 Open Document Open Filing 07 Mar 2024
4 Open Document Open Filing FORM 4 06 Mar 2024 04 Mar 2024 001-38984
144 Open Document Open Filing 05 Mar 2024
4 Open Document Open Filing FORM 4 29 Dec 2023 27 Dec 2023 001-38984
4 Open Document Open Filing FORM 4 27 Dec 2023 22 Dec 2023 001-38984
4 Open Document Open Filing FORM 4 22 Dec 2023 20 Dec 2023 001-38984
4 Open Document Open Filing FORM 4 20 Dec 2023 18 Dec 2023 001-38984
4 Open Document Open Filing FORM 4 18 Dec 2023 14 Dec 2023 001-38984
4 Open Document Open Filing FORM 4 14 Dec 2023 12 Dec 2023 001-38984
144 Open Document Open Filing 13 Dec 2023
4 Open Document Open Filing FORM 4 12 Dec 2023 08 Dec 2023 001-38984
4 Open Document Open Filing FORM 4 08 Dec 2023 06 Dec 2023 001-38984
4 Open Document Open Filing FORM 4 05 Dec 2023 01 Dec 2023 001-38984
4 Open Document Open Filing FORM 4 01 Dec 2023 29 Nov 2023 001-38984
4 Open Document Open Filing FORM 4 28 Nov 2023 24 Nov 2023 001-38984
144/A Open Document Open Filing 22 Nov 2023
4 Open Document Open Filing FORM 4 22 Nov 2023 20 Nov 2023 001-38984
144 Open Document Open Filing 20 Nov 2023
4 Open Document Open Filing FORM 4 06 Sep 2023 01 Sep 2023 001-38984
4 Open Document Open Filing FORM 4 01 Sep 2023 30 Aug 2023 001-38984
4 Open Document Open Filing FORM 4 07 Aug 2023 03 Aug 2023 001-38984
144 Open Document Open Filing 03 Aug 2023
4 Open Document Open Filing FORM 4 11 Jul 2023 07 Jul 2023 001-38984
4 Open Document Open Filing FORM 4 17 May 2023 15 May 2023 001-38984
4 Open Document Open Filing FORM 4 08 May 2023 04 May 2023 001-38984
144 Open Document Open Filing 04 May 2023
4 Open Document Open Filing FORM 4 14 Apr 2023 12 Apr 2023 001-38984
4 Open Document Open Filing FORM 4 05 Apr 2023 03 Apr 2023 001-38984
4 Open Document Open Filing FORM 4 16 Mar 2023 14 Mar 2023 001-38984
4 Open Document Open Filing FORM 4 08 Mar 2023 06 Mar 2023 001-38984
4 Open Document Open Filing FORM 4 14 Feb 2023 10 Feb 2023 001-38984
4 Open Document Open Filing FORM 4 03 Feb 2023 01 Feb 2023 001-38984
4 Open Document Open Filing FORM 4 05 Jan 2023 03 Jan 2023 001-38984
4 Open Document Open Filing FORM 4 21 Dec 2022 19 Dec 2022 001-38984
4 Open Document Open Filing FORM 4 13 Dec 2022 09 Dec 2022 001-38984
4 Open Document Open Filing FORM 4 07 Dec 2022 05 Dec 2022 001-38984
4 Open Document Open Filing FORM 4 05 Dec 2022 01 Dec 2022 001-38984
4 Open Document Open Filing FORM 4 23 Nov 2022 21 Nov 2022 001-38984
4 Open Document Open Filing FORM 4 09 Nov 2022 07 Nov 2022 001-38984
4 Open Document Open Filing FORM 4 26 Oct 2022 24 Oct 2022 001-38984
4 Open Document Open Filing FORM 4 12 Oct 2022 11 Oct 2022 001-38984
4 Open Document Open Filing FORM 4 12 Oct 2022 10 Oct 2022 001-38984
4 Open Document Open Filing FORM 4 06 Oct 2022 04 Oct 2022 001-38984
4 Open Document Open Filing FORM 4 28 Sep 2022 26 Sep 2022 001-38984
4 Open Document Open Filing FORM 4 14 Sep 2022 12 Sep 2022 001-38984
4 Open Document Open Filing FORM 4 31 Aug 2022 29 Aug 2022 001-38984
4 Open Document Open Filing FORM 4 17 Aug 2022 16 Aug 2022 001-38984
4 Open Document Open Filing FORM 4 17 Aug 2022 15 Aug 2022 001-38984
4 Open Document Open Filing FORM 4 09 Aug 2022 05 Aug 2022 001-38984
4 Open Document Open Filing FORM 4 05 Aug 2022 03 Aug 2022 001-38984
4 Open Document Open Filing FORM 4 03 Aug 2022 01 Aug 2022 001-38984
4 Open Document Open Filing FORM 4 28 Apr 2022 26 Apr 2022 001-38984
SC 13G/A Open Document Open Filing SC 13G/A 11 Feb 2022
4 Open Document Open Filing FORM 4 20 Jan 2022 10 Jan 2022 001-38984
4 Open Document Open Filing FORM 4 14 Dec 2021 10 Dec 2021 001-38984
4 Open Document Open Filing FORM 4 17 Nov 2021 15 Nov 2021 001-38984
4 Open Document Open Filing FORM 4 12 Nov 2021 09 Nov 2021 001-38984
4 Open Document Open Filing FORM 4 25 Oct 2021 21 Oct 2021 001-38984
4 Open Document Open Filing FORM 4 21 Oct 2021 19 Oct 2021 001-38984
4 Open Document Open Filing FORM 4 08 Oct 2021 06 Oct 2021 001-38984
4 Open Document Open Filing FORM 4 06 Oct 2021 04 Oct 2021 001-38984
4 Open Document Open Filing FORM 4 01 Oct 2021 30 Sep 2021 001-38984
4 Open Document Open Filing FORM 4 30 Sep 2021 28 Sep 2021 001-38984
4 Open Document Open Filing FORM 4 16 Sep 2021 15 Sep 2021 001-38984
4 Open Document Open Filing FORM 4 15 Sep 2021 14 Sep 2021 001-38984
4 Open Document Open Filing FORM 4 15 Sep 2021 13 Sep 2021 001-38984
4 Open Document Open Filing FORM 4 02 Sep 2021 31 Aug 2021 001-38984
4 Open Document Open Filing FORM 4 31 Aug 2021 27 Aug 2021 001-38984
4 Open Document Open Filing FORM 4 25 Aug 2021 23 Aug 2021 001-38984
4 Open Document Open Filing FORM 4 19 Aug 2021 17 Aug 2021 001-38984
4 Open Document Open Filing FORM 4 17 Aug 2021 13 Aug 2021 001-38984
4 Open Document Open Filing FORM 4 06 Aug 2021 03 Aug 2021 001-38984
4 Open Document Open Filing FORM 4 03 Aug 2021 30 Jul 2021 001-38984
4 Open Document Open Filing FORM 4 23 Jul 2021 21 Jul 2021 001-38984
4 Open Document Open Filing FORM 4 21 Jul 2021 19 Jul 2021 001-38984
4 Open Document Open Filing FORM 4 12 Jul 2021 09 Jul 2021 001-38984
4 Open Document Open Filing FORM 4 09 Jul 2021 07 Jul 2021 001-38984
4 Open Document Open Filing FORM 4 28 Jun 2021 24 Jun 2021 001-38984
4 Open Document Open Filing FORM 4 24 Jun 2021 22 Jun 2021 001-38984
4 Open Document Open Filing FORM 4 14 Jun 2021 10 Jun 2021 001-38984
4 Open Document Open Filing FORM 4 10 Jun 2021 08 Jun 2021 001-38984
4 Open Document Open Filing FORM 4 03 Jun 2021 01 Jun 2021 001-38984
4 Open Document Open Filing FORM 4 01 Jun 2021 27 May 2021 001-38984
4 Open Document Open Filing FORM 4 27 May 2021 25 May 2021 001-38984
4 Open Document Open Filing FORM 4 24 May 2021 20 May 2021 001-38984
4 Open Document Open Filing FORM 4 20 May 2021 18 May 2021 001-38984
4 Open Document Open Filing FORM 4 14 May 2021 13 May 2021 001-38984
4 Open Document Open Filing FORM 4 13 May 2021 11 May 2021 001-38984
4 Open Document Open Filing FORM 4 29 Apr 2021 28 Apr 2021 001-38984
4 Open Document Open Filing FORM 4 28 Apr 2021 26 Apr 2021 001-38984
4 Open Document Open Filing FORM 4 19 Apr 2021 15 Apr 2021 001-38984
4 Open Document Open Filing FORM 4 15 Apr 2021 13 Apr 2021 001-38984
4 Open Document Open Filing FORM 4 31 Mar 2021 30 Mar 2021 001-38984
4 Open Document Open Filing FORM 4 30 Mar 2021 26 Mar 2021 001-38984
4 Open Document Open Filing FORM 4 15 Mar 2021 12 Mar 2021 001-38984
4 Open Document Open Filing FORM 4 12 Mar 2021 10 Mar 2021 001-38984
4 Open Document Open Filing FORM 4 01 Mar 2021 26 Feb 2021 001-38984
4 Open Document Open Filing FORM 4 26 Feb 2021 24 Feb 2021 001-38984
SC 13G/A Open Document Open Filing SC 13G/A 17 Feb 2021
4 Open Document Open Filing FORM 4 11 Feb 2021 10 Feb 2021 001-38984
4 Open Document Open Filing FORM 4 10 Feb 2021 08 Feb 2021 001-38984
4 Open Document Open Filing FORM 4 02 Feb 2021 29 Jan 2021 001-38984
4 Open Document Open Filing FORM 4 29 Jan 2021 27 Jan 2021 001-38984
4 Open Document Open Filing FORM 4 19 Jan 2021 15 Jan 2021 001-38984
4 Open Document Open Filing FORM 4 15 Jan 2021 13 Jan 2021 001-38984
5 Open Document Open Filing FORM 5 11 Jan 2021 31 Dec 2020 001-38984
4 Open Document Open Filing FORM 4 31 Dec 2020 29 Dec 2020 001-38984
4 Open Document Open Filing FORM 4 21 Dec 2020 18 Dec 2020 001-38984
4 Open Document Open Filing FORM 4 18 Dec 2020 16 Dec 2020 001-38984
4 Open Document Open Filing FORM 4 14 Dec 2020 10 Dec 2020 001-38984
4 Open Document Open Filing FORM 4 04 Dec 2020 02 Dec 2020 001-38984
4 Open Document Open Filing FORM 4 24 Nov 2020 20 Nov 2020 001-38984
4 Open Document Open Filing FORM 4 18 Nov 2020 16 Nov 2020 001-38984
4 Open Document Open Filing FORM 4 12 Nov 2020 09 Nov 2020 001-38984
4 Open Document Open Filing FORM 4 05 Nov 2020 03 Nov 2020 001-38984
4 Open Document Open Filing FORM 4 30 Oct 2020 28 Oct 2020 001-38984
4 Open Document Open Filing FORM 4 22 Oct 2020 20 Oct 2020 001-38984
4 Open Document Open Filing FORM 4 05 Oct 2020 01 Oct 2020 001-38984
4 Open Document Open Filing FORM 4 24 Sep 2020 22 Sep 2020 001-38984
4 Open Document Open Filing FORM 4 14 Sep 2020 10 Sep 2020 001-38984
4 Open Document Open Filing FORM 4 19 Aug 2020 17 Aug 2020 001-38984
4 Open Document Open Filing FORM 4 14 Aug 2020 12 Aug 2020 001-38984
4 Open Document Open Filing FORM 4 07 Aug 2020 05 Aug 2020 001-38984
4 Open Document Open Filing FORM 4 23 Jul 2020 21 Jul 2020 001-38984
4 Open Document Open Filing FORM 4 16 Jul 2020 14 Jul 2020 001-38984
4 Open Document Open Filing FORM 4 10 Jun 2020 09 Jun 2020 001-38984
4 Open Document Open Filing FORM 4 28 May 2020 27 May 2020 001-38984
4 Open Document Open Filing FORM 4 26 May 2020 22 May 2020 001-38984
4 Open Document Open Filing FORM 4 18 May 2020 14 May 2020 001-38984
4 Open Document Open Filing FORM 4 14 May 2020 12 May 2020 001-38984
SC 13G Open Document Open Filing SC 13G 12 Feb 2020
4 Open Document Open Filing FORM 4 17 Dec 2019 13 Dec 2019 001-38984
4 Open Document Open Filing FORM 4 SUBMISSION 31 Jul 2019 29 Jul 2019 001-38984
3 Open Document Open Filing FORM 3 SUBMISSION 24 Jul 2019 24 Jul 2019 001-38984