Cleveland-Cliffs Inc. SEC filings CLF

Cleveland-Cliffs Inc. has 1,001 filings in SEC EDGAR's recent list, going back to May 21, 2015. Its latest annual report, Form ARS, was filed on Apr 2, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 20, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 19, 2026 (results of operations). The company's fiscal year ends on December 31.

Cleveland-Cliffs Inc. SEC filings
Form Description Filed Period
10-Q Quarterly report Oct 20, 2026 Sep 30, 2026
8-K Current report
Results of operations
Oct 19, 2026 Oct 19, 2026
SD Specialized disclosure (conflict minerals) Sep 18, 2026 —
8-K Current report
Officer or director change
Jul 24, 2026 Jul 21, 2026
10-Q Quarterly report Jul 23, 2026 Jun 30, 2026
8-K Current report
Results of operations
Jul 23, 2026 Jul 23, 2026
SD Specialized disclosure (conflict minerals) May 29, 2026 —
8-K Current report
Shareholder vote results
May 20, 2026 May 14, 2026
10-Q Quarterly report Apr 21, 2026 Mar 31, 2026
8-K Current report
Results of operations
Apr 20, 2026 Apr 20, 2026
ARS Annual report to shareholders Apr 2, 2026 Dec 31, 2025
DEFA14A Additional proxy material Apr 2, 2026 —
DEF 14A Proxy statement Apr 2, 2026 Dec 31, 2025
8-K Current report
Officer or director change
Feb 23, 2026 Feb 22, 2026
10-K Annual report Feb 9, 2026 Dec 31, 2025
8-K Current report
Results of operations
Feb 9, 2026 Feb 9, 2026
8-K Current report
Officer or director change
Nov 12, 2025 Nov 11, 2025
8-K Current report
Other events
Oct 31, 2025 Oct 31, 2025
424B5 Prospectus supplement Oct 30, 2025 —
424B5 Prospectus supplement Oct 29, 2025 —
S-3ASR Automatic shelf registration Oct 29, 2025 —
10-Q Quarterly report Oct 22, 2025 Sep 30, 2025
8-K Current report
Results of operations
Oct 20, 2025 Oct 20, 2025
8-K Current report
Material agreement, New debt
Oct 10, 2025 Oct 10, 2025
8-K Current report
Other events
Oct 7, 2025 Oct 7, 2025
SD Specialized disclosure (conflict minerals) Sep 19, 2025 —
8-K Current report
Material agreement, New debt
Sep 8, 2025 Sep 8, 2025
8-K Current report
Other events
Sep 3, 2025 Sep 3, 2025
10-Q Quarterly report Jul 23, 2025 Jun 30, 2025
8-K Current report
Results of operations
Jul 21, 2025 Jul 21, 2025
SD Specialized disclosure (conflict minerals) May 30, 2025 —
8-K Current report
Shareholder vote results
May 21, 2025 May 15, 2025
10-Q Quarterly report May 8, 2025 Mar 31, 2025
8-K Current report
Results of operations
May 7, 2025 May 7, 2025
ARS Annual report to shareholders Apr 2, 2025 Dec 31, 2024
DEFA14A Additional proxy material Apr 2, 2025 —
DEF 14A Proxy statement Apr 2, 2025 Dec 31, 2024
10-K Annual report Feb 25, 2025 Dec 31, 2024
8-K Current report
Results of operations
Feb 24, 2025 Feb 24, 2025
8-K Current report
Material agreement, New debt
Feb 6, 2025 Feb 6, 2025
8-K Current report
Results of operations, Other events
Feb 3, 2025 Feb 3, 2025
8-K/A Amended current report Jan 17, 2025 Nov 1, 2024
8-K Current report
Officer or director change
Jan 3, 2025 Jan 3, 2025
10-Q Quarterly report Nov 5, 2024 Sep 30, 2024
8-K Current report
Results of operations
Nov 4, 2024 Nov 4, 2024
8-K Current report
Acquisition or sale of assets
Nov 1, 2024 Nov 1, 2024
8-K Current report
Material agreement, New debt
Oct 22, 2024 Oct 22, 2024
8-K Current report
Other events
Oct 8, 2024 Oct 8, 2024
8-K Current report
Regulation FD disclosure
Oct 8, 2024 Oct 8, 2024
SD Specialized disclosure (conflict minerals) Sep 20, 2024 —
8-K Current report
Material agreement, New debt
Sep 13, 2024 Sep 13, 2024
8-K Current report
Material agreement, New debt
Aug 16, 2024 Aug 16, 2024
8-K Current report
Other events
Aug 13, 2024 Aug 13, 2024
10-Q Quarterly report Jul 24, 2024 Jun 30, 2024
8-K Current report
Results of operations
Jul 22, 2024 Jul 22, 2024
8-K Current report
Material agreement, Other events
Jul 15, 2024 Jul 14, 2024
8-K Current report
Officer or director change
Jun 28, 2024 Jun 26, 2024
SD Specialized disclosure (conflict minerals) May 24, 2024 —
8-K Current report
Shareholder vote results
May 20, 2024 May 16, 2024
8-K Current report May 3, 2024 May 2, 2024
10-Q Quarterly report Apr 25, 2024 Mar 31, 2024
8-K Current report
Results of operations
Apr 22, 2024 Apr 22, 2024
8-K Current report Apr 5, 2024 Apr 2, 2024
ARS Annual report to shareholders Apr 3, 2024 Dec 31, 2023
DEFA14A Additional proxy material Apr 3, 2024 —
DEF 14A Proxy statement Apr 3, 2024 Dec 31, 2023
8-K Current report Mar 29, 2024 Mar 26, 2024
8-K Current report
Material agreement, New debt
Mar 18, 2024 Mar 18, 2024
8-K Current report
Other events
Mar 4, 2024 Mar 4, 2024
10-K Annual report Feb 8, 2024 Dec 31, 2023
8-K Current report
Results of operations
Jan 29, 2024 Jan 29, 2024
8-K Current report
Officer or director change
Jan 3, 2024 Jan 3, 2024
10-Q Quarterly report Oct 25, 2023 Sep 30, 2023
8-K Current report
Results of operations
Oct 23, 2023 Oct 23, 2023
8-K/A Amended current report
Shareholder vote results
Sep 15, 2023 May 17, 2023
425 Filing Aug 24, 2023 —
425 Filing Aug 22, 2023 —
425 Filing Aug 22, 2023 —
8-K Current report
Other events
Aug 22, 2023 Aug 22, 2023
425 Filing Aug 18, 2023 —
425 Filing Aug 15, 2023 —
425 Filing Aug 14, 2023 —
8-K Current report
Other events
Aug 14, 2023 Aug 13, 2023
10-Q Quarterly report Jul 26, 2023 Jun 30, 2023
8-K Current report
Results of operations
Jul 24, 2023 Jul 24, 2023
8-K Current report
Material agreement, New debt
Jun 9, 2023 Jun 9, 2023
SD Specialized disclosure (conflict minerals) May 26, 2023 —
8-K Current report
Shareholder vote results
May 19, 2023 May 17, 2023
10-Q Quarterly report Apr 26, 2023 Mar 31, 2023
8-K Current report
Results of operations
Apr 24, 2023 Apr 24, 2023
8-K Current report
Material agreement, New debt
Apr 14, 2023 Apr 14, 2023
8-K Current report
Results of operations, Regulation FD disclosure, Other events
Apr 11, 2023 Apr 11, 2023
ARS Annual report to shareholders Apr 3, 2023 Dec 31, 2022
DEFA14A Additional proxy material Apr 3, 2023 —
DEF 14A Proxy statement Apr 3, 2023 —
S-3ASR Automatic shelf registration Feb 14, 2023 —
10-K Annual report Feb 14, 2023 Dec 31, 2022
8-K Current report
Results of operations
Feb 13, 2023 Feb 13, 2023
10-Q Quarterly report Oct 26, 2022 Sep 30, 2022
8-K Current report
Results of operations
Oct 25, 2022 Oct 25, 2022
10-Q Quarterly report Jul 26, 2022 Jun 30, 2022
8-K Current report
Results of operations
Jul 22, 2022 Jul 22, 2022
SD Specialized disclosure (conflict minerals) May 27, 2022 —
8-K Current report
Officer or director change
May 6, 2022 May 5, 2022
8-K Current report
Shareholder vote results
Apr 29, 2022 Apr 27, 2022
10-Q Quarterly report Apr 26, 2022 Mar 31, 2022
8-K Current report
Officer or director change
Apr 22, 2022 Apr 22, 2022
8-K Current report
Results of operations
Apr 22, 2022 Apr 22, 2022
DEFA14A Additional proxy material Mar 14, 2022 —
DEF 14A Proxy statement Mar 14, 2022 Dec 31, 2021
10-K Annual report Feb 11, 2022 Dec 31, 2021
8-K Current report
Other events
Feb 11, 2022 Feb 11, 2022
8-K Current report
Results of operations
Feb 11, 2022 Feb 11, 2022
8-K Current report
Material agreement, New debt
Dec 23, 2021 Dec 17, 2021
8-K Current report
Officer or director change
Dec 10, 2021 Dec 7, 2021
10-Q Quarterly report Oct 26, 2021 Sep 30, 2021
8-K Current report
Results of operations
Oct 22, 2021 Oct 22, 2021
8-K Current report
Officer or director change
Aug 30, 2021 Aug 27, 2021
10-Q Quarterly report Jul 28, 2021 Jun 30, 2021
8-K Current report
Results of operations
Jul 22, 2021 Jul 22, 2021
8-K Current report
Officer or director change
May 28, 2021 May 26, 2021
SD Specialized disclosure (conflict minerals) May 28, 2021 —
8-K Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results
Apr 30, 2021 Apr 28, 2021
S-8 Employee stock plan registration Apr 28, 2021 —
S-8 Employee stock plan registration Apr 28, 2021 —
10-Q Quarterly report Apr 28, 2021 Mar 31, 2021
8-K Current report
Results of operations
Apr 22, 2021 Apr 22, 2021
EFFECT Filing Mar 25, 2021 —
424B3 Prospectus Mar 25, 2021 —
CORRESP Letter to the SEC Mar 23, 2021 —
UPLOAD Letter from the SEC Mar 22, 2021 —
DEFA14A Additional proxy material Mar 15, 2021 —
DEF 14A Proxy statement Mar 15, 2021 Dec 31, 2020
S-4 Registration for a merger or exchange Mar 15, 2021 —
CORRESP Letter to the SEC Mar 12, 2021 —
8-K Current report
Other events
Mar 12, 2021 Mar 12, 2021
PRE 14A Preliminary proxy statement Feb 26, 2021 Dec 31, 2020
10-K Annual report Feb 26, 2021 Dec 31, 2020
8-K Current report
Results of operations
Feb 25, 2021 Feb 25, 2021
S-8 POS Filing Feb 24, 2021 —
S-8 POS Filing Feb 24, 2021 —
8-K Current report
Material agreement, New debt
Feb 17, 2021 Feb 17, 2021
8-K Current report
Other events
Feb 11, 2021 Feb 11, 2021
424B7 Filing Feb 10, 2021 —
8-K Current report
Other events
Feb 9, 2021 Feb 9, 2021
424B7 Filing Feb 9, 2021 —
8-K/A Amended current report Feb 8, 2021 Dec 7, 2020
8-K Current report
Results of operations
Jan 25, 2021 Jan 25, 2021
8-K Current report
Material agreement, Acquisition or sale of assets, New debt, Unregistered share sale, Change to shareholder rights, Bylaw or fiscal year change, Regulation FD disclosure
Dec 9, 2020 Dec 7, 2020
10-Q Quarterly report Oct 23, 2020 Sep 30, 2020
8-K Current report
Results of operations
Oct 23, 2020 Oct 23, 2020
8-K Current report
Material agreement, Unregistered share sale, Bylaw or fiscal year change, Regulation FD disclosure
Sep 28, 2020 Sep 24, 2020
10-Q Quarterly report Jul 30, 2020 Jun 30, 2020
8-K Current report
Results of operations
Jul 30, 2020 Jul 30, 2020
8-K Current report
Material agreement, New debt
Jun 19, 2020 Jun 19, 2020
11-K Employee savings plan report Jun 19, 2020 Dec 31, 2019
8-K Current report
Other events
Jun 16, 2020 Jun 16, 2020
SD Specialized disclosure (conflict minerals) May 29, 2020 —
10-Q Quarterly report May 11, 2020 Mar 31, 2020
8-K Current report
New debt
May 11, 2020 May 11, 2020
8-K Current report
Officer or director change, Shareholder vote results
Apr 24, 2020 Apr 22, 2020
8-K Current report
Material agreement, New debt
Apr 24, 2020 Apr 24, 2020
8-K Current report
Other events
Apr 21, 2020 Apr 21, 2020
8-K Current report
Material agreement, Results of operations
Apr 17, 2020 Apr 17, 2020
8-K Current report
Other events
Apr 15, 2020 Apr 15, 2020
8-K Current report
Results of operations, Regulation FD disclosure, Other events
Apr 15, 2020 Apr 15, 2020
8-K Current report
Material agreement, New debt
Apr 2, 2020 Mar 27, 2020
DEFA14A Additional proxy material Mar 31, 2020 —
EFFECT Filing Mar 27, 2020 —
424B3 Prospectus Mar 27, 2020 —
CORRESP Letter to the SEC Mar 25, 2020 —
UPLOAD Letter from the SEC Mar 24, 2020 —
CORRESP Letter to the SEC Mar 20, 2020 —
S-4 Registration for a merger or exchange Mar 20, 2020 —
S-3ASR Automatic shelf registration Mar 20, 2020 —
8-K Current report
Material agreement, New debt
Mar 16, 2020 Mar 16, 2020
8-K Current report
Material agreement, Acquisition or sale of assets, New debt, Officer or director change
Mar 13, 2020 Mar 13, 2020
S-8 Employee stock plan registration Mar 13, 2020 —
8-K Current report
Shareholder vote results, Other events
Mar 10, 2020 Mar 10, 2020
DEFA14A Additional proxy material Mar 9, 2020 —
DEF 14A Proxy statement Mar 9, 2020 Apr 22, 2020
8-K Current report
Other events
Mar 3, 2020 Mar 2, 2020
8-K Current report
Other events
Mar 2, 2020 Mar 2, 2020
425 Filing Feb 27, 2020 —
8-K Current report
Other events
Feb 26, 2020 Feb 26, 2020
425 Filing Feb 26, 2020 —
8-K Current report
Other events
Feb 26, 2020 Feb 26, 2020
425 Filing Feb 25, 2020 —
425 Filing Feb 24, 2020 —
425 Filing Feb 21, 2020 —
425 Filing Feb 20, 2020 —
10-K Annual report Feb 20, 2020 Dec 31, 2019
425 Filing Feb 20, 2020 —
8-K Current report
Results of operations
Feb 20, 2020 Feb 20, 2020
425 Filing Feb 18, 2020 —
425 Filing Feb 12, 2020 —
EFFECT Filing Feb 4, 2020 —
424B3 Prospectus Feb 4, 2020 —
CORRESP Letter to the SEC Jan 31, 2020 —
425 Filing Jan 29, 2020 —

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Metal Mining (SIC 1000)
Listed as
CLF (NYSE)
Fiscal year ends
December 31
Incorporated in
OH
Headquarters
Cleveland, OH
SEC filer status
Large accelerated filer
SEC CIK
764065
Former names
CLIFFS NATURAL RESOURCES INC. (until Aug 14, 2017); CLEVELAND CLIFFS INC (until Oct 15, 2008)

Other Metal Mining companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.