Mark W. Westphal

Business address
C/O Post Holdings, Inc., 2503 S. Hanley Road, St. Louis, MO, 63144
Top holdings (ownership)
POST
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Mark W. Westphal has filed 32 SEC EDGAR filings since 05 Feb 2018

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 20 Nov 2025 18 Nov 2025 001-35305
4 Open Document Open Filing FORM 4 18 Nov 2025 14 Nov 2025 001-35305
4 Open Document Open Filing FORM 4 14 Nov 2025 12 Nov 2025 001-35305
4 Open Document Open Filing FORM 4 24 Oct 2025 22 Oct 2025 001-35305
4 Open Document Open Filing FORM 4 19 Nov 2024 16 Nov 2024 001-35305
4 Open Document Open Filing FORM 4 18 Nov 2024 14 Nov 2024 001-35305
4 Open Document Open Filing FORM 4 14 Nov 2024 13 Nov 2024 001-35305
4 Open Document Open Filing FORM 4 23 Oct 2024 21 Oct 2024 001-35305
4/A Open Document Open Filing FORM 4/A 30 Nov 2023 16 Nov 2023 001-35305
4 Open Document Open Filing FORM 4 20 Nov 2023 16 Nov 2023 001-35305
4 Open Document Open Filing FORM 4 16 Nov 2023 14 Nov 2023 001-35305
4 Open Document Open Filing FORM 4 26 Oct 2023 24 Oct 2023 001-35305
4 Open Document Open Filing FORM 4 06 Dec 2022 04 Dec 2022 001-35305
4 Open Document Open Filing FORM 4 18 Nov 2022 16 Nov 2022 001-35305
4 Open Document Open Filing FORM 4 17 Nov 2022 15 Nov 2022 001-35305
4 Open Document Open Filing FORM 4 15 Nov 2022 13 Nov 2022 001-35305
4 Open Document Open Filing FORM 4 18 Oct 2022 15 Oct 2022 001-35305
4 Open Document Open Filing FORM 4 31 Mar 2022 29 Mar 2022 001-35305
4 Open Document Open Filing FORM 4 18 Nov 2021 16 Nov 2021 001-35305
4 Open Document Open Filing FORM 4 16 Nov 2021 13 Nov 2021 001-35305
4 Open Document Open Filing FORM 4 03 Dec 2020 01 Dec 2020 001-35305
4 Open Document Open Filing FORM 4 19 Nov 2020 17 Nov 2020 001-35305
4 Open Document Open Filing FORM 4 17 Nov 2020 13 Nov 2020 001-35305
4 Open Document Open Filing FORM 4 25 Aug 2020 21 Aug 2020 001-35305
4 Open Document Open Filing FORM 4 03 Dec 2019 01 Dec 2019 001-35305
4 Open Document Open Filing FORM 4 19 Nov 2019 16 Nov 2019 001-35305
4 Open Document Open Filing FORM 4 15 Nov 2019 13 Nov 2019 001-35305
4 Open Document Open Filing FORM 4 30 Aug 2019 29 Aug 2019 001-35305
4 Open Document Open Filing FORM 4 04 Dec 2018 01 Dec 2018 001-35305
4 Open Document Open Filing FORM 4 20 Nov 2018 16 Nov 2018 001-35305
4 Open Document Open Filing FORM 4 15 Nov 2018 13 Nov 2018 001-35305
3 Open Document Open Filing FORM 3 05 Feb 2018 31 Jan 2018 001-35305