Bert A. Frost

Business address
C/O Cf Industries Holdings, Inc., 4 Parkway North, Suite 400, Deerfield, IL, 60015
Top holdings (ownership)
CF
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Bert A. Frost has filed 79 SEC EDGAR filings since 05 Jan 2009

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Jun 2025 13 Jun 2025 001-32597
144 Open Document Open Filing 16 Jun 2025
144 Open Document Open Filing 13 Jun 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Mar 2025 28 Feb 2025 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 14 Jan 2025 13 Jan 2025 001-32597
144 Open Document Open Filing 13 Jan 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT 07 Jan 2025 06 Jan 2025 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 06 Jan 2025 02 Jan 2025 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 22 Nov 2024 20 Nov 2024 001-32597
144 Open Document Open Filing 20 Nov 2024
4 Open Document Open Filing OWNERSHIP DOCUMENT 07 Oct 2024 04 Oct 2024 001-32597
144 Open Document Open Filing 04 Oct 2024
4 Open Document Open Filing OWNERSHIP DOCUMENT 20 Jun 2024 17 Jun 2024 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 13 Mar 2024 12 Mar 2024 001-32597
144 Open Document Open Filing 12 Mar 2024
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Mar 2024 29 Feb 2024 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 08 Jan 2024 04 Jan 2024 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 05 Jan 2024 03 Jan 2024 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 16 Nov 2023 15 Nov 2023 001-32597
144 Open Document Open Filing 15 Nov 2023
4 Open Document Open Filing OWNERSHIP DOCUMENT 06 Sep 2023 01 Sep 2023 001-32597
144 Open Document Open Filing 01 Sep 2023
4 Open Document Open Filing OWNERSHIP DOCUMENT 01 Jun 2023 31 May 2023 001-32597
144 Open Document Open Filing 31 May 2023
4 Open Document Open Filing OWNERSHIP DOCUMENT 02 Mar 2023 28 Feb 2023 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 05 Jan 2023 03 Jan 2023 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 26 Aug 2022 24 Aug 2022 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Mar 2022 04 Mar 2022 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 02 Mar 2022 28 Feb 2022 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Feb 2022 02 Feb 2022 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 05 Jan 2022 03 Jan 2022 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 23 Dec 2021 21 Dec 2021 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 17 Dec 2021 16 Dec 2021 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 12 Nov 2021 12 Nov 2021 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 01 Oct 2021 01 Oct 2021 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 19 May 2021 18 May 2021 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 07 May 2021 06 May 2021 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 15 Mar 2021 11 Mar 2021 001-32597
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Mar 2021 02 Mar 2021 001-32597
4 Open Document Open Filing 4 06 Jan 2021 04 Jan 2021 001-32597
4 Open Document Open Filing 4 10 Aug 2020 07 Aug 2020 001-32597
4 Open Document Open Filing 4 05 Mar 2020 03 Mar 2020 001-32597
4 Open Document Open Filing 4 31 Jan 2020 30 Jan 2020 001-32597
4 Open Document Open Filing 4 03 Jan 2020 02 Jan 2020 001-32597
4 Open Document Open Filing 4 22 Nov 2019 21 Nov 2019 001-32597
4 Open Document Open Filing 4 30 Aug 2019 29 Aug 2019 001-32597
4 Open Document Open Filing 4 08 Aug 2019 07 Aug 2019 001-32597
4 Open Document Open Filing 4 04 Jun 2019 03 Jun 2019 001-32597
4 Open Document Open Filing 4 06 Mar 2019 04 Mar 2019 001-32597
4 Open Document Open Filing 4 06 Feb 2019 04 Feb 2019 001-32597
4 Open Document Open Filing 4 04 Jan 2019 02 Jan 2019 001-32597
4 Open Document Open Filing 4 13 Nov 2018 08 Nov 2018 001-32597
4 Open Document Open Filing 4 10 Aug 2018 10 Aug 2018 001-32597
4 Open Document Open Filing 4 15 May 2018 14 May 2018 001-32597
4 Open Document Open Filing 4 07 Mar 2018 05 Mar 2018 001-32597
4 Open Document Open Filing 4 03 Jan 2018 02 Jan 2018 001-32597
4 Open Document Open Filing 4 22 Nov 2017 21 Nov 2017 001-32597
4 Open Document Open Filing 4 09 Aug 2017 07 Aug 2017 001-32597
4 Open Document Open Filing 4 07 Mar 2017 03 Mar 2017 001-32597
4 Open Document Open Filing 4 16 Aug 2016 12 Aug 2016 001-32597
4 Open Document Open Filing 4 07 Mar 2016 03 Mar 2016 001-32597
4 Open Document Open Filing 4 24 Feb 2016 24 Feb 2016 001-32597
4 Open Document Open Filing 4 12 Aug 2015 10 Aug 2015 001-32597
4 Open Document Open Filing 4 05 Mar 2015 03 Mar 2015 001-32597
4 Open Document Open Filing 4 15 Aug 2014 10 Aug 2014 001-32597
4 Open Document Open Filing 4 05 Mar 2014 03 Mar 2014 001-32597