Form 6-K

Date: March 20, 2026

By /s/ Han, Young Ah

(Signature)

Han, Young Ah

Executive Vice President

6-K 1 d125329d6k.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 March, 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 ☐

POSCO HOLDINGS INC. is furnishing under cover of Form 6-K:

Exhibit 99.1: An English-language translated documents of Seperate Financial Statements audited by independent auditors

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)

SEC Form 6-K filed by POSCO HOLDINGS INC.