WILLIAM P. STIRITZ

Business address
C/O Post Holdings, Inc., 2503 S. Hanley Road, St Louis, MO, 63144
Top holdings (ownership)
POST
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WILLIAM P. STIRITZ has filed 347 SEC EDGAR filings since 31 Dec 1997

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 19 Dec 2025 17 Dec 2025 001-35305
4 Open Document Open Filing FORM 4 18 Dec 2025 16 Dec 2025 001-35305
4 Open Document Open Filing FORM 4 02 Dec 2025 28 Nov 2025 001-35305
4 Open Document Open Filing FORM 4 04 Nov 2025 31 Oct 2025 001-35305
SCHEDULE 13D/A Open Document Open Filing 15 Oct 2025
4 Open Document Open Filing FORM 4 02 Oct 2025 30 Sep 2025 001-35305
4 Open Document Open Filing FORM 4 03 Sep 2025 29 Aug 2025 001-35305
4 Open Document Open Filing FORM 4 21 Aug 2025 19 Aug 2025 001-35305
4 Open Document Open Filing FORM 4 04 Aug 2025 31 Jul 2025 001-35305
4 Open Document Open Filing FORM 4 02 Jul 2025 30 Jun 2025 001-35305
4 Open Document Open Filing FORM 4 09 Jun 2025 05 Jun 2025 001-35305
4 Open Document Open Filing FORM 4 03 Jun 2025 30 May 2025 001-35305
4 Open Document Open Filing FORM 4 02 May 2025 30 Apr 2025 001-35305
4 Open Document Open Filing FORM 4 02 Apr 2025 31 Mar 2025 001-35305
4 Open Document Open Filing FORM 4 04 Mar 2025 28 Feb 2025 001-35305
SCHEDULE 13D/A Open Document Open Filing 14 Feb 2025
4 Open Document Open Filing FORM 4 06 Feb 2025 04 Feb 2025 001-35305
4 Open Document Open Filing FORM 4 04 Feb 2025 31 Jan 2025 001-35305
4 Open Document Open Filing FORM 4 03 Jan 2025 31 Dec 2024 001-35305
4 Open Document Open Filing FORM 4 03 Dec 2024 29 Nov 2024 001-35305
4 Open Document Open Filing FORM 4 04 Nov 2024 31 Oct 2024 001-35305
4 Open Document Open Filing FORM 4 02 Oct 2024 30 Sep 2024 001-35305
4 Open Document Open Filing FORM 4 04 Sep 2024 30 Aug 2024 001-35305
4 Open Document Open Filing FORM 4 02 Aug 2024 31 Jul 2024 001-35305
4 Open Document Open Filing FORM 4 02 Jul 2024 28 Jun 2024 001-35305
4 Open Document Open Filing FORM 4 03 Jun 2024 31 May 2024 001-35305
4 Open Document Open Filing FORM 4 01 May 2024 30 Apr 2024 001-35305
4 Open Document Open Filing FORM 4 01 Apr 2024 28 Mar 2024 001-35305
4 Open Document Open Filing FORM 4 04 Mar 2024 29 Feb 2024 001-35305
4 Open Document Open Filing FORM 4 01 Feb 2024 30 Jan 2024 001-35305
4 Open Document Open Filing FORM 4 03 Jan 2024 29 Dec 2023 001-35305
4 Open Document Open Filing FORM 4 04 Dec 2023 30 Nov 2023 001-35305
4 Open Document Open Filing FORM 4 02 Nov 2023 31 Oct 2023 001-35305
4 Open Document Open Filing FORM 4 03 Oct 2023 29 Sep 2023 001-35305
4 Open Document Open Filing FORM 4 05 Sep 2023 31 Aug 2023 001-35305
4 Open Document Open Filing FORM 4 02 Aug 2023 31 Jul 2023 001-35305
4 Open Document Open Filing FORM 4 05 Jul 2023 30 Jun 2023 001-35305
4 Open Document Open Filing FORM 4 01 Jun 2023 31 May 2023 001-35305
4 Open Document Open Filing FORM 4 01 May 2023 28 Apr 2023 001-35305
4 Open Document Open Filing FORM 4 04 Apr 2023 31 Mar 2023 001-35305
4 Open Document Open Filing FORM 4 01 Mar 2023 28 Feb 2023 001-35305
4 Open Document Open Filing FORM 4 02 Feb 2023 31 Jan 2023 001-35305
4 Open Document Open Filing FORM 4 03 Jan 2023 30 Dec 2022 001-35305
4 Open Document Open Filing FORM 4 02 Dec 2022 30 Nov 2022 001-35305
4 Open Document Open Filing FORM 4 01 Nov 2022 31 Oct 2022 001-35305
4 Open Document Open Filing FORM 4 04 Oct 2022 30 Sep 2022 001-35305
4 Open Document Open Filing FORM 4 02 Sep 2022 31 Aug 2022 001-35305
4 Open Document Open Filing FORM 4 02 Aug 2022 29 Jul 2022 001-35305
4 Open Document Open Filing FORM 4 05 Jul 2022 30 Jun 2022 001-35305
4 Open Document Open Filing FORM 4 01 Jun 2022 31 May 2022 001-35305
4 Open Document Open Filing FORM 4 02 May 2022 29 Apr 2022 001-35305
4 Open Document Open Filing FORM 4 04 Apr 2022 31 Mar 2022 001-35305
4 Open Document Open Filing FORM 4 01 Mar 2022 28 Feb 2022 001-35305
4 Open Document Open Filing FORM 4 02 Feb 2022 31 Jan 2022 001-35305
4 Open Document Open Filing FORM 4 04 Jan 2022 31 Dec 2021 001-35305
4 Open Document Open Filing FORM 4 02 Dec 2021 30 Nov 2021 001-35305
4 Open Document Open Filing FORM 4 02 Nov 2021 29 Oct 2021 001-35305
4 Open Document Open Filing FORM 4 04 Oct 2021 30 Sep 2021 001-35305
4 Open Document Open Filing FORM 4 02 Sep 2021 31 Aug 2021 001-35305
4 Open Document Open Filing FORM 4 03 Aug 2021 30 Jul 2021 001-35305
4 Open Document Open Filing FORM 4 02 Jul 2021 30 Jun 2021 001-35305
4 Open Document Open Filing FORM 4 02 Jun 2021 01 Jun 2021 001-35305
4 Open Document Open Filing FORM 4 04 May 2021 30 Apr 2021 001-35305
4 Open Document Open Filing FORM 4 01 Apr 2021 31 Mar 2021 001-35305
4 Open Document Open Filing FORM 4 01 Mar 2021 26 Feb 2021 001-35305
SC 13D/A Open Document Open Filing SC 13D/A 22 Feb 2021
4 Open Document Open Filing FORM 4 12 Feb 2021 10 Feb 2021 001-35305
4 Open Document Open Filing FORM 4 04 Feb 2021 02 Feb 2021 001-35305
4 Open Document Open Filing FORM 4 04 Jan 2021 31 Dec 2020 001-35305
4 Open Document Open Filing FORM 4 01 Dec 2020 30 Nov 2020 001-35305
4 Open Document Open Filing FORM 4 02 Nov 2020 30 Oct 2020 001-35305
4 Open Document Open Filing FORM 4 01 Oct 2020 30 Sep 2020 001-35305
4 Open Document Open Filing FORM 4 01 Sep 2020 31 Aug 2020 001-35305
4 Open Document Open Filing FORM 4 05 Aug 2020 31 Jul 2020 001-35305
4 Open Document Open Filing FORM 4 02 Jul 2020 30 Jun 2020 001-35305
4 Open Document Open Filing FORM 4 02 Jun 2020 29 May 2020 001-35305
4 Open Document Open Filing FORM 4 04 May 2020 30 Apr 2020 001-35305
4 Open Document Open Filing FORM 4 01 Apr 2020 31 Mar 2020 001-35305
4 Open Document Open Filing FORM 4 02 Mar 2020 28 Feb 2020 001-35305
4 Open Document Open Filing FORM 4 06 Feb 2020 04 Feb 2020 001-35305
4 Open Document Open Filing FORM 4 04 Feb 2020 31 Jan 2020 001-35305
4 Open Document Open Filing FORM 4 02 Jan 2020 31 Dec 2019 001-35305
4 Open Document Open Filing FORM 4 02 Dec 2019 29 Nov 2019 001-35305
4 Open Document Open Filing FORM 4 01 Nov 2019 31 Oct 2019 001-35305
4 Open Document Open Filing FORM 4 02 Oct 2019 30 Sep 2019 001-35305
4 Open Document Open Filing FORM 4 03 Sep 2019 30 Aug 2019 001-35305
4 Open Document Open Filing FORM 4 20 Aug 2019 19 Aug 2019 001-35305
4 Open Document Open Filing FORM 4 05 Aug 2019 05 Aug 2019 001-35305
4 Open Document Open Filing FORM 4 01 Aug 2019 31 Jul 2019 001-35305
4 Open Document Open Filing FORM 4 02 Jul 2019 28 Jun 2019 001-35305
4 Open Document Open Filing FORM 4 03 Jun 2019 31 May 2019 001-35305
4 Open Document Open Filing FORM 4 02 May 2019 30 Apr 2019 001-35305
4 Open Document Open Filing FORM 4 02 Apr 2019 29 Mar 2019 001-35305
4 Open Document Open Filing FORM 4 01 Mar 2019 28 Feb 2019 001-35305
4 Open Document Open Filing FORM 4 15 Feb 2019 13 Feb 2019 001-35305
4 Open Document Open Filing FORM 4 12 Feb 2019 08 Feb 2019 001-35305
4 Open Document Open Filing FORM 4 08 Feb 2019 06 Feb 2019 001-35305
4 Open Document Open Filing FORM 4 06 Feb 2019 04 Feb 2019 001-35305
4 Open Document Open Filing FORM 4 01 Feb 2019 30 Jan 2019 001-35305
4 Open Document Open Filing FORM 4 09 Jan 2019 04 Jan 2019 001-35305
4 Open Document Open Filing FORM 4 16 Feb 2018 14 Feb 2018 001-35305
4 Open Document Open Filing FORM 4 14 Feb 2018 12 Feb 2018 001-35305
5 Open Document Open Filing FORM 5 11 Oct 2017 30 Sep 2017 001-35305
SC 13G/A Open Document Open Filing SCHEDULE 13G AMENDMENT NO. 3 14 Feb 2017
SC 13G/A Open Document Open Filing SCHEDULE 13G AMENDMENT NO. 2 14 Feb 2017
SC 13D Open Document Open Filing SC 13D 01 Dec 2016
5 Open Document Open Filing FORM 5 23 Nov 2016 30 Sep 2016 001-35305
4 Open Document Open Filing FORM 4 23 Nov 2016 21 Nov 2016 001-35305
SC 13G/A Open Document Open Filing SC 13G/A 16 Feb 2016
4 Open Document Open Filing FORM 4 09 Feb 2016 08 Feb 2016 001-35305
4 Open Document Open Filing FORM 4 05 Feb 2016 03 Feb 2016 001-35305
SC 13G Open Document Open Filing SCHEDULE 13G 03 Apr 2015
4 Open Document Open Filing FORM 4 14 Oct 2014 09 Oct 2014 001-35305
SC 13D/A Open Document Open Filing SC 13D/A 30 Jan 2014