William P. Stiritz

Business address
C/O Post Holdings, Inc., 2503 S. Hanley Road, 63144 St Louis, MO
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William P. Stiritz has filed 345 SEC EDGAR filings since 12/31/1997

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 Dec 2, 2025 Nov 28, 2025 001-35305
4 Open Document Open Filing FORM 4 Nov 4, 2025 Oct 31, 2025 001-35305
SCHEDULE 13D/A Open Document Open Filing Oct 15, 2025
4 Open Document Open Filing FORM 4 Oct 2, 2025 Sep 30, 2025 001-35305
4 Open Document Open Filing FORM 4 Sep 3, 2025 Aug 29, 2025 001-35305
4 Open Document Open Filing FORM 4 Aug 21, 2025 Aug 19, 2025 001-35305
4 Open Document Open Filing FORM 4 Aug 4, 2025 Jul 31, 2025 001-35305
4 Open Document Open Filing FORM 4 Jul 2, 2025 Jun 30, 2025 001-35305
4 Open Document Open Filing FORM 4 Jun 9, 2025 Jun 5, 2025 001-35305
4 Open Document Open Filing FORM 4 Jun 3, 2025 May 30, 2025 001-35305
4 Open Document Open Filing FORM 4 May 2, 2025 Apr 30, 2025 001-35305
4 Open Document Open Filing FORM 4 Apr 2, 2025 Mar 31, 2025 001-35305
4 Open Document Open Filing FORM 4 Mar 4, 2025 Feb 28, 2025 001-35305
SCHEDULE 13D/A Open Document Open Filing Feb 14, 2025
4 Open Document Open Filing FORM 4 Feb 6, 2025 Feb 4, 2025 001-35305
4 Open Document Open Filing FORM 4 Feb 4, 2025 Jan 31, 2025 001-35305
4 Open Document Open Filing FORM 4 Jan 3, 2025 Dec 31, 2024 001-35305
4 Open Document Open Filing FORM 4 Dec 3, 2024 Nov 29, 2024 001-35305
4 Open Document Open Filing FORM 4 Nov 4, 2024 Oct 31, 2024 001-35305
4 Open Document Open Filing FORM 4 Oct 2, 2024 Sep 30, 2024 001-35305
4 Open Document Open Filing FORM 4 Sep 4, 2024 Aug 30, 2024 001-35305
4 Open Document Open Filing FORM 4 Aug 2, 2024 Jul 31, 2024 001-35305
4 Open Document Open Filing FORM 4 Jul 2, 2024 Jun 28, 2024 001-35305
4 Open Document Open Filing FORM 4 Jun 3, 2024 May 31, 2024 001-35305
4 Open Document Open Filing FORM 4 May 1, 2024 Apr 30, 2024 001-35305
4 Open Document Open Filing FORM 4 Apr 1, 2024 Mar 28, 2024 001-35305
4 Open Document Open Filing FORM 4 Mar 4, 2024 Feb 29, 2024 001-35305
4 Open Document Open Filing FORM 4 Feb 1, 2024 Jan 30, 2024 001-35305
4 Open Document Open Filing FORM 4 Jan 3, 2024 Dec 29, 2023 001-35305
4 Open Document Open Filing FORM 4 Dec 4, 2023 Nov 30, 2023 001-35305
4 Open Document Open Filing FORM 4 Nov 2, 2023 Oct 31, 2023 001-35305
4 Open Document Open Filing FORM 4 Oct 3, 2023 Sep 29, 2023 001-35305
4 Open Document Open Filing FORM 4 Sep 5, 2023 Aug 31, 2023 001-35305
4 Open Document Open Filing FORM 4 Aug 2, 2023 Jul 31, 2023 001-35305
4 Open Document Open Filing FORM 4 Jul 5, 2023 Jun 30, 2023 001-35305
4 Open Document Open Filing FORM 4 Jun 1, 2023 May 31, 2023 001-35305
4 Open Document Open Filing FORM 4 May 1, 2023 Apr 28, 2023 001-35305
4 Open Document Open Filing FORM 4 Apr 4, 2023 Mar 31, 2023 001-35305
4 Open Document Open Filing FORM 4 Mar 1, 2023 Feb 28, 2023 001-35305
4 Open Document Open Filing FORM 4 Feb 2, 2023 Jan 31, 2023 001-35305
4 Open Document Open Filing FORM 4 Jan 3, 2023 Dec 30, 2022 001-35305
4 Open Document Open Filing FORM 4 Dec 2, 2022 Nov 30, 2022 001-35305
4 Open Document Open Filing FORM 4 Nov 1, 2022 Oct 31, 2022 001-35305
4 Open Document Open Filing FORM 4 Oct 4, 2022 Sep 30, 2022 001-35305
4 Open Document Open Filing FORM 4 Sep 2, 2022 Aug 31, 2022 001-35305
4 Open Document Open Filing FORM 4 Aug 2, 2022 Jul 29, 2022 001-35305
4 Open Document Open Filing FORM 4 Jul 5, 2022 Jun 30, 2022 001-35305
4 Open Document Open Filing FORM 4 Jun 1, 2022 May 31, 2022 001-35305
4 Open Document Open Filing FORM 4 May 2, 2022 Apr 29, 2022 001-35305
4 Open Document Open Filing FORM 4 Apr 4, 2022 Mar 31, 2022 001-35305
4 Open Document Open Filing FORM 4 Mar 1, 2022 Feb 28, 2022 001-35305
4 Open Document Open Filing FORM 4 Feb 2, 2022 Jan 31, 2022 001-35305
4 Open Document Open Filing FORM 4 Jan 4, 2022 Dec 31, 2021 001-35305
4 Open Document Open Filing FORM 4 Dec 2, 2021 Nov 30, 2021 001-35305
4 Open Document Open Filing FORM 4 Nov 2, 2021 Oct 29, 2021 001-35305
4 Open Document Open Filing FORM 4 Oct 4, 2021 Sep 30, 2021 001-35305
4 Open Document Open Filing FORM 4 Sep 2, 2021 Aug 31, 2021 001-35305
4 Open Document Open Filing FORM 4 Aug 3, 2021 Jul 30, 2021 001-35305
4 Open Document Open Filing FORM 4 Jul 2, 2021 Jun 30, 2021 001-35305
4 Open Document Open Filing FORM 4 Jun 2, 2021 Jun 1, 2021 001-35305
4 Open Document Open Filing FORM 4 May 4, 2021 Apr 30, 2021 001-35305
4 Open Document Open Filing FORM 4 Apr 1, 2021 Mar 31, 2021 001-35305
4 Open Document Open Filing FORM 4 Mar 1, 2021 Feb 26, 2021 001-35305
SC 13D/A Open Document Open Filing SC 13D/A Feb 22, 2021
4 Open Document Open Filing FORM 4 Feb 12, 2021 Feb 10, 2021 001-35305
4 Open Document Open Filing FORM 4 Feb 4, 2021 Feb 2, 2021 001-35305
4 Open Document Open Filing FORM 4 Jan 4, 2021 Dec 31, 2020 001-35305
4 Open Document Open Filing FORM 4 Dec 1, 2020 Nov 30, 2020 001-35305
4 Open Document Open Filing FORM 4 Nov 2, 2020 Oct 30, 2020 001-35305
4 Open Document Open Filing FORM 4 Oct 1, 2020 Sep 30, 2020 001-35305
4 Open Document Open Filing FORM 4 Sep 1, 2020 Aug 31, 2020 001-35305
4 Open Document Open Filing FORM 4 Aug 5, 2020 Jul 31, 2020 001-35305
4 Open Document Open Filing FORM 4 Jul 2, 2020 Jun 30, 2020 001-35305
4 Open Document Open Filing FORM 4 Jun 2, 2020 May 29, 2020 001-35305
4 Open Document Open Filing FORM 4 May 4, 2020 Apr 30, 2020 001-35305
4 Open Document Open Filing FORM 4 Apr 1, 2020 Mar 31, 2020 001-35305
4 Open Document Open Filing FORM 4 Mar 2, 2020 Feb 28, 2020 001-35305
4 Open Document Open Filing FORM 4 Feb 6, 2020 Feb 4, 2020 001-35305
4 Open Document Open Filing FORM 4 Feb 4, 2020 Jan 31, 2020 001-35305
4 Open Document Open Filing FORM 4 Jan 2, 2020 Dec 31, 2019 001-35305
4 Open Document Open Filing FORM 4 Dec 2, 2019 Nov 29, 2019 001-35305
4 Open Document Open Filing FORM 4 Nov 1, 2019 Oct 31, 2019 001-35305
4 Open Document Open Filing FORM 4 Oct 2, 2019 Sep 30, 2019 001-35305
4 Open Document Open Filing FORM 4 Sep 3, 2019 Aug 30, 2019 001-35305
4 Open Document Open Filing FORM 4 Aug 20, 2019 Aug 19, 2019 001-35305
4 Open Document Open Filing FORM 4 Aug 5, 2019 Aug 5, 2019 001-35305
4 Open Document Open Filing FORM 4 Aug 1, 2019 Jul 31, 2019 001-35305
4 Open Document Open Filing FORM 4 Jul 2, 2019 Jun 28, 2019 001-35305
4 Open Document Open Filing FORM 4 Jun 3, 2019 May 31, 2019 001-35305
4 Open Document Open Filing FORM 4 May 2, 2019 Apr 30, 2019 001-35305
4 Open Document Open Filing FORM 4 Apr 2, 2019 Mar 29, 2019 001-35305
4 Open Document Open Filing FORM 4 Mar 1, 2019 Feb 28, 2019 001-35305
4 Open Document Open Filing FORM 4 Feb 15, 2019 Feb 13, 2019 001-35305
4 Open Document Open Filing FORM 4 Feb 12, 2019 Feb 8, 2019 001-35305
4 Open Document Open Filing FORM 4 Feb 8, 2019 Feb 6, 2019 001-35305
4 Open Document Open Filing FORM 4 Feb 6, 2019 Feb 4, 2019 001-35305
4 Open Document Open Filing FORM 4 Feb 1, 2019 Jan 30, 2019 001-35305
4 Open Document Open Filing FORM 4 Jan 9, 2019 Jan 4, 2019 001-35305
4 Open Document Open Filing FORM 4 Feb 16, 2018 Feb 14, 2018 001-35305
4 Open Document Open Filing FORM 4 Feb 14, 2018 Feb 12, 2018 001-35305
5 Open Document Open Filing FORM 5 Oct 11, 2017 Sep 30, 2017 001-35305
SC 13G/A Open Document Open Filing SCHEDULE 13G AMENDMENT NO. 3 Feb 14, 2017
SC 13G/A Open Document Open Filing SCHEDULE 13G AMENDMENT NO. 2 Feb 14, 2017
SC 13D Open Document Open Filing SC 13D Dec 1, 2016
5 Open Document Open Filing FORM 5 Nov 23, 2016 Sep 30, 2016 001-35305
4 Open Document Open Filing FORM 4 Nov 23, 2016 Nov 21, 2016 001-35305
SC 13G/A Open Document Open Filing SC 13G/A Feb 16, 2016
4 Open Document Open Filing FORM 4 Feb 9, 2016 Feb 8, 2016 001-35305
4 Open Document Open Filing FORM 4 Feb 5, 2016 Feb 3, 2016 001-35305
SC 13G Open Document Open Filing SCHEDULE 13G Apr 3, 2015
4 Open Document Open Filing FORM 4 Oct 14, 2014 Oct 9, 2014 001-35305
SC 13D/A Open Document Open Filing SC 13D/A Jan 30, 2014