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
4 Insider transaction Oct 23, 2026 Oct 22, 2026
10-Q Quarterly report Oct 20, 2026 Sep 30, 2026
8-K Current report
Results of operations
Oct 19, 2026 Oct 19, 2026
4 Insider transaction Oct 2, 2026 Oct 1, 2026
4 Insider transaction Oct 2, 2026 Oct 1, 2026
SD Specialized disclosure (conflict minerals) Sep 18, 2026 —
SCHEDULE 13G Ownership over 5% (passive) Aug 7, 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
4 Insider transaction Jul 2, 2026 Jul 1, 2026
4 Insider transaction Jul 2, 2026 Jul 1, 2026
144 Notice of proposed sale Jun 5, 2026 —
4 Insider transaction Jun 5, 2026 Jun 5, 2026
SD Specialized disclosure (conflict minerals) May 29, 2026 —
8-K Current report
Shareholder vote results
May 20, 2026 May 14, 2026
144 Notice of proposed sale May 19, 2026 —
SCHEDULE 13G Ownership over 5% (passive) May 12, 2026 —
SCHEDULE 13G Ownership over 5% (passive) Apr 29, 2026 —
4 Insider transaction Apr 23, 2026 Apr 21, 2026
4 Insider transaction Apr 23, 2026 Apr 21, 2026
4 Insider transaction Apr 23, 2026 Apr 21, 2026
4 Insider transaction Apr 23, 2026 Apr 21, 2026
4 Insider transaction Apr 23, 2026 Apr 21, 2026
4 Insider transaction Apr 23, 2026 Apr 21, 2026
4 Insider transaction Apr 23, 2026 Apr 21, 2026
144 Notice of proposed sale Apr 22, 2026 —
10-Q Quarterly report Apr 21, 2026 Mar 31, 2026
8-K Current report
Results of operations
Apr 20, 2026 Apr 20, 2026
4 Insider transaction Apr 2, 2026 Apr 1, 2026
4 Insider transaction Apr 2, 2026 Apr 1, 2026
4 Insider transaction Apr 2, 2026 Apr 1, 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
SCHEDULE 13G/A Amended ownership over 5% (passive) Mar 26, 2026 —
8-K Current report
Officer or director change
Feb 23, 2026 Feb 22, 2026
4 Insider transaction Feb 20, 2026 Feb 18, 2026
4 Insider transaction Feb 20, 2026 Feb 18, 2026
4 Insider transaction Feb 20, 2026 Feb 18, 2026
4 Insider transaction Feb 20, 2026 Feb 18, 2026
4 Insider transaction Feb 20, 2026 Feb 18, 2026
4 Insider transaction Feb 20, 2026 Feb 18, 2026
4 Insider transaction Feb 18, 2026 Feb 17, 2026
144 Notice of proposed sale Feb 17, 2026 —
4 Insider transaction Feb 13, 2026 Feb 13, 2026
4 Insider transaction Feb 11, 2026 Feb 11, 2026
144 Notice of proposed sale Feb 11, 2026 —
10-K Annual report Feb 9, 2026 Dec 31, 2025
8-K Current report
Results of operations
Feb 9, 2026 Feb 9, 2026
4 Insider transaction Jan 7, 2026 Jan 5, 2026
4 Insider transaction Jan 7, 2026 Jan 5, 2026
4 Insider transaction Jan 7, 2026 Jan 5, 2026
4 Insider transaction Jan 7, 2026 Jan 5, 2026
4 Insider transaction Jan 7, 2026 Jan 5, 2026
4 Insider transaction Jan 7, 2026 Jan 5, 2026
4 Insider transaction Jan 7, 2026 Jan 5, 2026
4 Insider transaction Jan 6, 2026 Jan 2, 2026
4 Insider transaction Jan 6, 2026 Jan 2, 2026
4 Insider transaction Jan 6, 2026 Jan 2, 2026
4 Insider transaction Nov 14, 2025 Nov 12, 2025
3 Initial insider ownership Nov 14, 2025 Nov 12, 2025
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
4 Insider transaction Oct 3, 2025 Oct 1, 2025
4 Insider transaction Oct 3, 2025 Oct 1, 2025
4 Insider transaction Oct 3, 2025 Oct 1, 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
SCHEDULE 13G Ownership over 5% (passive) Aug 11, 2025 —
10-Q Quarterly report Jul 23, 2025 Jun 30, 2025
8-K Current report
Results of operations
Jul 21, 2025 Jul 21, 2025
4 Insider transaction Jul 3, 2025 Jul 1, 2025
4 Insider transaction Jul 3, 2025 Jul 1, 2025
4 Insider transaction Jul 3, 2025 Jul 1, 2025
SD Specialized disclosure (conflict minerals) May 30, 2025 —
4 Insider transaction May 23, 2025 May 23, 2025
144 Notice of proposed sale May 23, 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
4 Insider transaction Apr 25, 2025 Apr 23, 2025
4 Insider transaction Apr 25, 2025 Apr 23, 2025
4 Insider transaction Apr 25, 2025 Apr 23, 2025
4 Insider transaction Apr 25, 2025 Apr 23, 2025
4 Insider transaction Apr 25, 2025 Apr 23, 2025
4 Insider transaction Apr 25, 2025 Apr 23, 2025
4 Insider transaction Apr 25, 2025 Apr 23, 2025
4 Insider transaction Apr 25, 2025 Apr 23, 2025
4 Insider transaction Apr 25, 2025 Apr 23, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Apr 17, 2025 —
4 Insider transaction Apr 3, 2025 Apr 1, 2025
4 Insider transaction Apr 3, 2025 Apr 1, 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
4 Insider transaction Mar 10, 2025 Mar 10, 2025
4 Insider transaction Feb 28, 2025 Feb 28, 2025
4 Insider transaction Feb 28, 2025 Feb 28, 2025
10-K Annual report Feb 25, 2025 Dec 31, 2024
8-K Current report
Results of operations
Feb 24, 2025 Feb 24, 2025
4 Insider transaction Feb 21, 2025 Feb 19, 2025
4 Insider transaction Feb 21, 2025 Feb 19, 2025
4 Insider transaction Feb 21, 2025 Feb 19, 2025
4 Insider transaction Feb 21, 2025 Feb 19, 2025
4 Insider transaction Feb 21, 2025 Feb 19, 2025
4 Insider transaction Feb 21, 2025 Feb 19, 2025
4 Insider transaction Feb 21, 2025 Feb 19, 2025
4 Insider transaction Feb 21, 2025 Feb 19, 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
4 Insider transaction Jan 7, 2025 Jan 3, 2025
4 Insider transaction Jan 7, 2025 Jan 3, 2025
4 Insider transaction Jan 7, 2025 Jan 3, 2025
4 Insider transaction Jan 7, 2025 Jan 3, 2025
4 Insider transaction Jan 7, 2025 Jan 3, 2025
4 Insider transaction Jan 7, 2025 Jan 3, 2025
4 Insider transaction Jan 7, 2025 Jan 3, 2025
4 Insider transaction Jan 7, 2025 Jan 3, 2025
4 Insider transaction Jan 7, 2025 Jan 3, 2025
3 Initial insider ownership Jan 7, 2025 Jan 3, 2025
4 Insider transaction Jan 6, 2025 Jan 2, 2025
4 Insider transaction Jan 6, 2025 Jan 2, 2025
8-K Current report
Officer or director change
Jan 3, 2025 Jan 3, 2025
4 Insider transaction Nov 22, 2024 Nov 20, 2024
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
4 Insider transaction Oct 2, 2024 Oct 1, 2024
4 Insider transaction Oct 2, 2024 Oct 1, 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
4 Insider transaction Aug 1, 2024 Aug 1, 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
4 Insider transaction Jul 3, 2024 Jul 1, 2024
4 Insider transaction Jul 3, 2024 Jul 1, 2024
8-K Current report
Officer or director change
Jun 28, 2024 Jun 26, 2024
4 Insider transaction Jun 13, 2024 Jun 11, 2024
4 Insider transaction Jun 13, 2024 Jun 13, 2024
4 Insider transaction Jun 13, 2024 Jun 13, 2024
4 Insider transaction Jun 13, 2024 Jun 12, 2024
4 Insider transaction Jun 12, 2024 Jun 12, 2024
144 Notice of proposed sale Jun 11, 2024 —
SD Specialized disclosure (conflict minerals) May 24, 2024 —
8-K Current report
Shareholder vote results
May 20, 2024 May 16, 2024
4 Insider transaction May 17, 2024 May 16, 2024
3 Initial insider ownership May 17, 2024 May 16, 2024
8-K Current report May 3, 2024 May 2, 2024
4 Insider transaction May 1, 2024 May 1, 2024
4 Insider transaction May 1, 2024 May 1, 2024
4 Insider transaction Apr 26, 2024 Apr 25, 2024
4 Insider transaction Apr 26, 2024 Apr 25, 2024
4 Insider transaction Apr 26, 2024 Apr 25, 2024
4 Insider transaction Apr 26, 2024 Apr 25, 2024
4 Insider transaction Apr 26, 2024 Apr 25, 2024
4 Insider transaction Apr 26, 2024 Apr 25, 2024
4 Insider transaction Apr 26, 2024 Apr 25, 2024
4 Insider transaction Apr 26, 2024 Apr 25, 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
4 Insider transaction Apr 3, 2024 Apr 1, 2024
4 Insider transaction Apr 3, 2024 Apr 1, 2024
4 Insider transaction Apr 3, 2024 Apr 1, 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
4 Insider transaction Mar 15, 2024 Mar 13, 2024
144 Notice of proposed sale Mar 12, 2024 —
SC 13G/A Amended ownership over 5% (passive) Mar 11, 2024 —
4 Insider transaction Mar 8, 2024 Mar 6, 2024
4 Insider transaction Mar 8, 2024 Mar 6, 2024
4 Insider transaction Mar 8, 2024 Mar 6, 2024
4 Insider transaction Mar 8, 2024 Mar 6, 2024
SC 13G/A Amended ownership over 5% (passive) Mar 7, 2024 —
4 Insider transaction Mar 7, 2024 Mar 6, 2024
144 Notice of proposed sale Mar 6, 2024 —
144 Notice of proposed sale Mar 6, 2024 —
144 Notice of proposed sale Mar 6, 2024 —
144 Notice of proposed sale Mar 6, 2024 —
144 Notice of proposed sale Mar 6, 2024 —
8-K Current report
Other events
Mar 4, 2024 Mar 4, 2024

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.