# Filing Detail

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]:
SEC Accession No. 0001193125-26-188766
Filing Date
2026-04-29
Accepted
2026-04-29 06:02:05
Documents
263
Period of Report
2025-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | FORM 20-F | d26797d20f.htm iXBRL | 20-F | 12149276
2 | EX-1.1 | d26797dex11.htm | EX-1.1 | 127950
3 | EX-8.1 | d26797dex81.htm | EX-8.1 | 948
4 | EX-12.1 | d26797dex121.htm | EX-12.1 | 10249
5 | EX-12.2 | d26797dex122.htm | EX-12.2 | 9803
6 | EX-13.1 | d26797dex131.htm | EX-13.1 | 4486
7 | EX-16.1 | d26797dex161.htm | EX-16.1 | 25794
9 | GRAPHIC | g26797g01k01.jpg | GRAPHIC | 21318
| Complete submission text file | 0001193125-26-188766.txt |  | 54950564

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
8 | XBRL TAXONOMY EXTENSION SCHEMA | pkx-20251231.xsd | EX-101.SCH | 6105112
267 | EXTRACTED XBRL INSTANCE DOCUMENT | d26797d20f_htm.xml | XML | 15929483

Mailing Address POSCO CENTER 440 TEHERAN-RO GANGNAM-GU, SEOUL M5 06194
Business Address POSCO CENTER 440 TEHERAN-RO GANGNAM-GU, SEOUL M5 06194 02-3457-0114
POSCO HOLDINGS INC. (Filer) CIK: 0000889132 (see all company filings)

EIN.: 000000000 | Fiscal Year End: 1231
Type: 20-F | Act: 34 | File No.: 001-13368 | Film No.: 26910275
SIC: 3312 Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)
(CF Office: 04 Manufacturing)