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Form 425 - Prospectuses and communications, business combinations:
SEC Accession No. 0000764065-23-000146
Filing Date
2023-08-22
Accepted
2023-08-22 15:22:56
Documents
7

Document Format Files

Seq Description Document Type Size
1 425 a202308228-k425.htm 425 3931
2 GRAPHIC a20230822-8xkxlettertous001.jpg GRAPHIC 176806
3 GRAPHIC a20230822-8xkxlettertous002.jpg GRAPHIC 338999
4 GRAPHIC a20230822-8xkxlettertous003.jpg GRAPHIC 97053
5 GRAPHIC a20230822-8xkxlettertous004.jpg GRAPHIC 50175
6 GRAPHIC a20230822-8xkxlettertous005.jpg GRAPHIC 191953
7 GRAPHIC a20230822-8xkxlettertous006.jpg GRAPHIC 257937
  Complete submission text file 0000764065-23-000146.txt   1539370
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. (Filed by) CIK: 0000764065 (see all company filings)

IRS No.: 341464672 | State of Incorp.: OH | Fiscal Year End: 1231
Type: 425
SIC: 1000 Metal Mining

Mailing Address 600 GRANT STREET PITTSBURGH X1 15219-2800
Business Address 600 GRANT ST ROOM 1500 PITTSBURGH PA 15219-2800 415 433 2967
UNITED STATES STEEL CORP (Subject) CIK: 0001163302 (see all company filings)

IRS No.: 251897152 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 425 | Act: 34 | File No.: 001-16811 | Film No.: 231193204
SIC: 3312 Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)