Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000764065-25-000149
Filing Date
2025-10-22
Accepted
2025-10-22 16:24:15
Documents
116
Period of Report
2025-09-30

Document Format Files

Seq Description Document Type Size
1 10-Q clf-20250930.htm   iXBRL 10-Q 1897146
2 EX-4.1 clf-2025093010xqex41.htm EX-4.1 769751
3 EX-4.2 clf-2025093010xqex42.htm EX-4.2 141106
4 EX-22 clf-2025093010xqex22.htm EX-22 34646
5 EX-31.1 clf-2025093010xqex311.htm EX-31.1 11037
6 EX-31.2 clf-2025093010xqex312.htm EX-31.2 10933
7 EX-32.1 clf-2025093010xqex321.htm EX-32.1 6463
8 EX-32.2 clf-2025093010xqex322.htm EX-32.2 6491
9 EX-95 clf-2025093010xqex95.htm EX-95 100563
15 clf-20250930_g1.jpg GRAPHIC 19593
16 clf-20250930_g2.jpg GRAPHIC 19500
17 clf-20250930_g3.jpg GRAPHIC 18730
18 clf-20250930_g4.jpg GRAPHIC 16025
19 clf-20250930_g5.jpg GRAPHIC 18113
20 clf-20250930_g6.jpg GRAPHIC 12547
21 clf-20250930_g7.jpg GRAPHIC 10205
22 clf-20250930_g8.jpg GRAPHIC 8821
23 clf-20250930_g9.jpg GRAPHIC 13732
  Complete submission text file 0000764065-25-000149.txt   12445943

Data Files

Seq Description Document Type Size
10 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT clf-20250930.xsd EX-101.SCH 66224
11 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT clf-20250930_cal.xml EX-101.CAL 79738
12 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT clf-20250930_def.xml EX-101.DEF 335805
13 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT clf-20250930_lab.xml EX-101.LAB 828741
14 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT clf-20250930_pre.xml EX-101.PRE 604988
118 EXTRACTED XBRL INSTANCE DOCUMENT clf-20250930_htm.xml XML 1885438
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.: 251410404
SIC: 1000 Metal Mining
(CF Office: 01 Energy & Transportation)