# EDGAR Filing Document

**Accession Number:** 0000889132
**File Stem:** 0001193125-26-289446
**Filing Date:** 2026-6
**Character Count:** 3885
**Document Hash:** 0604ba6f534bc7b4601d4ca42a3096ef
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-289446.hdr.sgml**: 20260630

**ACCESSION NUMBER**: 0001193125-26-289446

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260630

**FILED AS OF DATE**: 20260630

**DATE AS OF CHANGE**: 20260630

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** POSCO HOLDINGS INC.
- **CENTRAL INDEX KEY:** 0000889132
- **STANDARD INDUSTRIAL CLASSIFICATION:** STEEL WORKS, BLAST FURNACES  ROLLING MILLS (COKE OVENS) [3312]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 000000000
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-13368
- **FILM NUMBER:** 261138084

**BUSINESS ADDRESS:**
- **STREET 1:** POSCO CENTER
- **STREET 2:** 440 TEHERAN-RO
- **CITY:** GANGNAM-GU, SEOUL
- **STATE:** M5
- **ZIP:** 06194
- **BUSINESS PHONE:** 02-3457-0114

**MAIL ADDRESS:**
- **STREET 1:** POSCO CENTER
- **STREET 2:** 440 TEHERAN-RO
- **CITY:** GANGNAM-GU, SEOUL
- **STATE:** M5
- **ZIP:** 06194

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** POSCO
- **DATE OF NAME CHANGE:** 20020517

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** POHANG IRON & STEEL CO LTD
- **DATE OF NAME CHANGE:** 19930607

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

**Form 6-K** 

**REPORT OF FOREIGN PRIVATE ISSUER** 

**PURSUANT TO RULE 13a-16 OR 15D-16** 

**UNDER THE SECURITIES EXCHANGE ACT OF 1934** 

**For the month of June, 2026** 

**Commission File Number: 1-13368** 

## POSCO HOLDINGS INC.
**(Translation of registrant's name into English)** 

**POSCO Center, 440 Teheran-ro, Gangnam-gu, Seoul, Korea, 06194** 

**(Address of principal executive offices)** 

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

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**<u>Response to Request for Disclosure Inquiry (Rumors or Media Reports):</u>**

**<u>Undetermined</u>**

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| | |
|:---|:---|
| &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;1. Title | Response to disclosure inquiry regarding press reports on POSCO Holdings' potential acquisition of HMM |
| &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;2. Details | - Regarding the Korea Economic Daily's report on POSCO Holdings' potential acquisition of HMM published on September 5, 2025, POSCO Group is currently conducting a preliminary assessment to determine whether this matter may generate strategic synergies and align with the Group's long-term business objectives. No decision has been made at this time regarding participation in the acquisition.<br>- In this regard, we will re-disclose the information when specific matters are decided in the future or within six months.<br>(Person in charge of disclosure) Han, Young Ah, Executive Vice President<br>※ This re-disclosure is provided in response to the inquiry request from the Korea Exchange, received at 10:11 a.m. on September 5, 2025.<br>※ Related disclosure<br>- 2025-09-05 Request for Disclosure Inquiry(Rumors or Media Reports) :<br>Undetermined<br>- 2025-10-02 Request for Disclosure Inquiry(Rumors or Media Reports) :<br>Undetermined<br>- 2025-12-31 Request for Disclosure Inquiry(Rumors or Media Reports) :<br>Undetermined |
| &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;3. Expected date of subsequent disclosure | December 29, 2026 |

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

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| | | |
|:---|:---|:---|
|  | <u>POSCO HOLDINGS INC.</u> | <u>POSCO HOLDINGS INC.</u> |
|  | (Registrant) | (Registrant) |
| Date: June 30, 2026 | By | /s/ Han, Young Ah |
|  |  | (Signature) |
|  |  | Name: Han, Young Ah |
|  |  | Title: Executive Vice President |

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