POSCO Holdings (PKX) clarifies HMM acquisition rumors, sets June 2026 update

Rhea-AI Filing Summary

POSCO Holdings Inc. filed an update explaining its position on media reports about a potential acquisition of shipping company HMM. The company states that POSCO Group is conducting a preliminary assessment to see whether acquiring HMM could create strategic synergies and fit its long-term business objectives. It emphasizes that no decision has been made on whether to participate in the acquisition process. POSCO Holdings plans to provide another disclosure when specific matters are decided in the future or by June 30, 2026, in response to an inquiry from the Korea Exchange about the press report dated September 5, 2025.

Insights

Equity and M&A analyst

POSCO confirms only preliminary review of HMM deal with no decision yet.

POSCO Holdings Inc. clarifies that the reported potential acquisition of HMM is at a preliminary assessment stage. The stated purpose of this review is to determine whether an acquisition would generate strategic synergies and align with the Group’s long-term business objectives.

The company explicitly notes that no decision has been made about participating in the acquisition. This keeps current capital structure and portfolio unchanged for now, while acknowledging that a large transaction is being evaluated as a strategic option rather than a committed plan.

POSCO indicates it will make a further disclosure when specific matters are decided or by June 30, 2026. This date provides a clear point by which investors can expect either a more concrete transaction update or confirmation that no binding step has been taken.

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 December, 2025

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 ☐

Response to Request for Disclosure Inquiry (Rumors or Media Reports): Undetermined

		1. Title		Response to disclosure inquiry regarding press reports on POSCO Holdings’ potential acquisition of HMM
		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. - In this regard, we will re-disclose the information when specific matters are decided in the future or within six months. (Person in charge of disclosure) Han, Young Ah, Executive Vice President ø 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. ø Related disclosure - 2025-09-05 Request for Disclosure Inquiry(Rumors or Media Reports) : Undetermined
		3. Expected date of subsequent disclosure		June 30, 2026

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.

				POSCO HOLDINGS INC.
				(Registrant)
Date: December 31, 2025				By		/s/ Han, Young Ah
						(Signature)
						Name: Han, Young Ah
						Title: Senior Vice President

FAQ

What did POSCO Holdings Inc. (PKX) disclose about a potential acquisition of HMM?

POSCO Holdings Inc. stated that POSCO Group is conducting a preliminary assessment of a potential acquisition of HMM to see if it would generate strategic synergies and align with its long-term business objectives. The company emphasized that no decision has been made on participating in the acquisition.

Is POSCO Holdings Inc. (PKX) committed to acquiring HMM?

No. POSCO Holdings Inc. clearly states that no decision has been made regarding participation in the acquisition of HMM. The group is only at a preliminary assessment stage.

Why did POSCO Holdings Inc. issue this 6-K about HMM?

The company issued this report in response to a disclosure inquiry from the Korea Exchange about a Korea Economic Daily article published on September 5, 2025 discussing POSCO Holdings’ potential acquisition of HMM.

When will POSCO Holdings Inc. provide further information on the potential HMM acquisition?

POSCO Holdings Inc. stated it will re-disclose information on the matter when specific details are decided in the future or by June 30, 2026.

Who is the contact person for this disclosure at POSCO Holdings Inc.?

The person in charge of disclosure is Han, Young Ah, identified in the document as an Executive Vice President for the inquiry response and signing as Senior Vice President on behalf of POSCO Holdings Inc.

What media report triggered POSCO Holdings Inc.’s clarification about HMM?

The clarification refers to a report by the Korea Economic Daily on September 5, 2025 regarding POSCO Holdings’ potential acquisition of HMM, which led to a disclosure inquiry from the Korea Exchange.