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.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B5 | Prospectus supplement | Oct 30, 2025 | — |
| 424B5 | Prospectus supplement | Oct 29, 2025 | — |
| S-3ASR | Automatic shelf registration | Oct 29, 2025 | — |
| S-3ASR | Automatic shelf registration | Feb 14, 2023 | — |
| S-8 | Employee stock plan registration | Apr 28, 2021 | — |
| S-8 | Employee stock plan registration | Apr 28, 2021 | — |
| 424B3 | Prospectus | Mar 25, 2021 | — |
| S-4 | Registration for a merger or exchange | Mar 15, 2021 | — |
| S-8 POS | Filing | Feb 24, 2021 | — |
| S-8 POS | Filing | Feb 24, 2021 | — |
| 424B7 | Filing | Feb 10, 2021 | — |
| 424B7 | Filing | Feb 9, 2021 | — |
| 424B3 | Prospectus | Mar 27, 2020 | — |
| S-4 | Registration for a merger or exchange | Mar 20, 2020 | — |
| S-3ASR | Automatic shelf registration | Mar 20, 2020 | — |
| S-8 | Employee stock plan registration | Mar 13, 2020 | — |
| 424B3 | Prospectus | Feb 4, 2020 | — |
| S-4/A | Form s-4/a | Jan 28, 2020 | — |
| S-4 | Registration for a merger or exchange | Jan 8, 2020 | — |
| 424B3 | Prospectus | Mar 29, 2018 | — |
| S-4 | Registration for a merger or exchange | Feb 14, 2018 | — |
| 424B5 | Prospectus supplement | Dec 6, 2017 | — |
| FWP | Free writing prospectus | Dec 6, 2017 | — |
| 424B5 | Prospectus supplement | Dec 4, 2017 | — |
| S-8 | Employee stock plan registration | Apr 27, 2017 | — |
| 424B5 | Prospectus supplement | Feb 13, 2017 | — |
| 424B5 | Prospectus supplement | Feb 9, 2017 | — |
| S-3ASR | Automatic shelf registration | Feb 9, 2017 | — |
| 424B4 | Prospectus | Aug 12, 2016 | — |
| S-1/A | Amended registration statement | Aug 4, 2016 | — |
| S-1 | Registration statement | Jun 16, 2016 | — |
| S-8 | Employee stock plan registration | Apr 27, 2016 | — |
| S-8 | Employee stock plan registration | Aug 20, 2015 | — |
| S-8 | Employee stock plan registration | May 21, 2015 | — |
Showing 34 filings. 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.
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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
- BHP Group Ltd BHP
- Rio Tinto Ltd RTNTF
- Southern Copper CORP/ SCCO
- Rio Tinto PLC RIO
- Freeport-Mcmoran Inc FCX
- Vale S.A. VALE
- Hudbay Minerals Inc. HBM
- Buenaventura Mining Co Inc BVN
Source: SEC EDGAR filings. This is company-reported data, not investment advice.