Bert A. Frost

Entity: Individual
Business address: C/O Cf Industries Holdings, Inc., 4 Parkway North, Suite 400, 60015 Deerfield, IL
Signature Ownership: /s/ Michael P. McGrane, by power of attorney
All SEC filings: View on sec.gov

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Bert A. Frost has filed 76 SEC EDGAR filings since 1/5/2009

Latest Filings

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Mar 4, 2025	Feb 28, 2025	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Jan 14, 2025	Jan 13, 2025	001-32597
144	Open Document	Open Filing		Jan 13, 2025
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Jan 7, 2025	Jan 6, 2025	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Jan 6, 2025	Jan 2, 2025	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Nov 22, 2024	Nov 20, 2024	001-32597
144	Open Document	Open Filing		Nov 20, 2024
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Oct 7, 2024	Oct 4, 2024	001-32597
144	Open Document	Open Filing		Oct 4, 2024
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Jun 20, 2024	Jun 17, 2024	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Mar 13, 2024	Mar 12, 2024	001-32597
144	Open Document	Open Filing		Mar 12, 2024
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Mar 4, 2024	Feb 29, 2024	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Jan 8, 2024	Jan 4, 2024	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Jan 5, 2024	Jan 3, 2024	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Nov 16, 2023	Nov 15, 2023	001-32597
144	Open Document	Open Filing		Nov 15, 2023
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Sep 6, 2023	Sep 1, 2023	001-32597
144	Open Document	Open Filing		Sep 1, 2023
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Jun 1, 2023	May 31, 2023	001-32597
144	Open Document	Open Filing		May 31, 2023
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Mar 2, 2023	Feb 28, 2023	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Jan 5, 2023	Jan 3, 2023	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Aug 26, 2022	Aug 24, 2022	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Mar 4, 2022	Mar 4, 2022	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Mar 2, 2022	Feb 28, 2022	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Feb 4, 2022	Feb 2, 2022	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Jan 5, 2022	Jan 3, 2022	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Dec 23, 2021	Dec 21, 2021	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Dec 17, 2021	Dec 16, 2021	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Nov 12, 2021	Nov 12, 2021	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Oct 1, 2021	Oct 1, 2021	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	May 19, 2021	May 18, 2021	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	May 7, 2021	May 6, 2021	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Mar 15, 2021	Mar 11, 2021	001-32597
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Mar 4, 2021	Mar 2, 2021	001-32597
4	Open Document	Open Filing	4	Jan 6, 2021	Jan 4, 2021	001-32597
4	Open Document	Open Filing	4	Aug 10, 2020	Aug 7, 2020	001-32597
4	Open Document	Open Filing	4	Mar 5, 2020	Mar 3, 2020	001-32597
4	Open Document	Open Filing	4	Jan 31, 2020	Jan 30, 2020	001-32597
4	Open Document	Open Filing	4	Jan 3, 2020	Jan 2, 2020	001-32597
4	Open Document	Open Filing	4	Nov 22, 2019	Nov 21, 2019	001-32597
4	Open Document	Open Filing	4	Aug 30, 2019	Aug 29, 2019	001-32597
4	Open Document	Open Filing	4	Aug 8, 2019	Aug 7, 2019	001-32597
4	Open Document	Open Filing	4	Jun 4, 2019	Jun 3, 2019	001-32597
4	Open Document	Open Filing	4	Mar 6, 2019	Mar 4, 2019	001-32597
4	Open Document	Open Filing	4	Feb 6, 2019	Feb 4, 2019	001-32597
4	Open Document	Open Filing	4	Jan 4, 2019	Jan 2, 2019	001-32597
4	Open Document	Open Filing	4	Nov 13, 2018	Nov 8, 2018	001-32597
4	Open Document	Open Filing	4	Aug 10, 2018	Aug 10, 2018	001-32597

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