# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000764065-25-000103
Filing Date
2025-05-08
Accepted
2025-05-08 16:13:24
Documents
116
Period of Report
2025-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | clf-20250331.htm iXBRL | 10-Q | 1373656
2 | EX-4.1 | clf-2025033110xqex41.htm | EX-4.1 | 769138
3 | EX-10.1 | clf-2025033110xqex101.htm | EX-10.1 | 82920
4 | EX-10.2 | clf-2025033110xqex102.htm | EX-10.2 | 110559
5 | EX-10.3 | clf-2025033110xqex103.htm | EX-10.3 | 107663
6 | EX-22 | clf-2025033110xqex22.htm | EX-22 | 34611
7 | EX-31.1 | clf-2025033110xqex311.htm | EX-31.1 | 11006
8 | EX-31.2 | clf-2025033110xqex312.htm | EX-31.2 | 10838
9 | EX-32.1 | clf-2025033110xqex321.htm | EX-32.1 | 6509
10 | EX-32.2 | clf-2025033110xqex322.htm | EX-32.2 | 6478
11 | EX-95 | clf-2025033110xqex95.htm | EX-95 | 100483
17 |  | clf-20250331_g1.jpg | GRAPHIC | 19593
18 |  | clf-20250331_g2.jpg | GRAPHIC | 12137
19 |  | clf-20250331_g3.jpg | GRAPHIC | 9296
20 |  | clf-20250331_g4.jpg | GRAPHIC | 9434
21 |  | clf-20250331_g5.jpg | GRAPHIC | 10171
22 |  | clf-20250331_g6.jpg | GRAPHIC | 9416
23 |  | clf-20250331_g7.jpg | GRAPHIC | 7963
24 |  | clf-20250331_g8.jpg | GRAPHIC | 8532
25 |  | clf-20250331_g9.jpg | GRAPHIC | 9013
| Complete submission text file | 0000764065-25-000103.txt |  | 10493117

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
12 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | clf-20250331.xsd | EX-101.SCH | 62481
13 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | clf-20250331_cal.xml | EX-101.CAL | 70876
14 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | clf-20250331_def.xml | EX-101.DEF | 293545
15 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | clf-20250331_lab.xml | EX-101.LAB | 777106
16 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | clf-20250331_pre.xml | EX-101.PRE | 550164
118 | EXTRACTED XBRL INSTANCE DOCUMENT | clf-20250331_htm.xml | XML | 1353044

Mailing Address 200 PUBLIC SQUARE STE. 3300 CLEVELAND OH 44114-2315
Business Address 200 PUBLIC SQUARE STE. 3300 CLEVELAND OH 44114-2315 216-694-5700
CLEVELAND-CLIFFS INC. (Filer) CIK: 0000764065 (see all company filings)

EIN.: 341464672 | State of Incorp.: OH | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-08944 | Film No.: 25926259
SIC: 1000 Metal Mining
(CF Office: 01 Energy & Transportation)