Form 6-K

6-K 1 d45276d6k.htm FORM 6-K Form 6-K

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 ☐

Occurrence of a Serious Industrial Accident

(Disclosure of POSCO HOLDINGS’ Subsidiary Company POSCO E&C)


1. Details of the Serious Accident	Location of Occurrence	Shinansan Line Section 4-2
	Description of Accident	A worker below was struck by a falling reinforcing bar installed at the top of the tunnel
	Number of Fatalities	1
	Number of the Injured	2
2. Date of Occurrence of Serious Industrial Accident		December 18, 2025
3. Date of Report to the Ministry of Employment and Labor		December 18, 2025
4. Measures Taken and Future Plans		A site inspection was conducted (by the police and the Ministry of Employment and Labor), and the Company will establish measures to prevent recurrence.
5. Other important details to be considered for investment decisions		On December 18, 2025, the Seoul Regional Employment and Labor Office, Seoul Southern Branch, issued a partial work suspension order for all lining operations in Section 4-2

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 19 , 2025	By	/s/ Han, Young-Ah
		(Signature)
		Name: Han, Young-Ah
		Title: Senior Vice President

SEC Form 6-K filed by POSCO HOLDINGS INC.