PKX SEC Filings: 8-K, 10-Q, S-3 & 424B – POSCO

Financials

TYPE

HEADLINE

FILED AT

20-F

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Apr 29, 2026

20-F

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Apr 29, 2025

20-F

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Apr 29, 2024

20-F

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Apr 28, 2023

20-F

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Apr 28, 2022

20-F

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Apr 29, 2021

News

TYPE

HEADLINE

FILED AT

6-K

POSCO Holdings Reports Q3 2026 Provisional Earnings and Strategic Business Expansions

Nov 2, 2026

6-K

POSCO Holdings Announces Provisional Q3 2026 Earnings for Subsidiary POSCO

Nov 2, 2026

6-K

POSCO Holdings Responds to Media Reports Regarding KRW 4 Trillion Low-Carbon Steel Project in Australia

Oct 21, 2026

6-K

POSCO Holdings Announces 3rd Quarter 2026 Provisional Earnings Announcement Date

Oct 20, 2026

6-K

POSCO Holdings Responds to Media Reports Regarding HMM Acquisition and Cleveland Cliffs Discussions

Sep 30, 2026

6-K

POSCO HOLDINGS INC. Interim Business Report (January 1, 2026 – June 30, 2026)

Aug 31, 2026

Prospectus

TYPE

HEADLINE

FILED AT

424B3

SHARES OF COMMON STOCK OF PAR VALUE OF WON 5,000 EACH-

Mar 2, 2022

424B5

Form 424B5 - Prospectus [Rule 424(b)(5)]

Nov 15, 2005

Registrations

TYPE

HEADLINE

FILED AT

F-6

Form F-6 - Registration of American Depository Receipt shares, not immediately effective

Jun 20, 2013

F-6EF

Form F-6EF - Registration of American Depository Receipt shares, immediately effective

Sep 14, 2007

Proxies

TYPE

HEADLINE

FILED AT

Ownerships

TYPE

HEADLINE

FILED AT

SCHEDULE 13G

BlackRock, Inc. (Filed by)

Apr 29, 2026

SC 13G

BlackRock Inc. (Filed by)

Apr 6, 2023

SC 13G/A

BlackRock Inc. (Filed by)

Feb 9, 2023

SC 13G

BlackRock Inc. (Filed by)

Feb 7, 2022

SC 13G

BlackRock Inc. (Filed by)

Feb 4, 2022

SC 13G/A

BlackRock Inc. (Filed by)

Jan 8, 2021

Other

TYPE

HEADLINE

FILED AT

Form SD - Specialized disclosure report

Sep 18, 2026

Form SD - Specialized disclosure report

May 27, 2026

Form SD - Specialized disclosure report

Sep 25, 2025

Form SD - Specialized disclosure report

May 30, 2025

Form SD - Specialized disclosure report

Sep 25, 2024

Form SD - Specialized disclosure report

May 30, 2024

POSCO Holdings Inc. PKX · SEC Filings