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POSCO (PKX) SEC Filings & 10K Form

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$51.71 -1.10 (-2.08%)
Closing price 08/29/2025 03:59 PM Eastern
Extended Trading
$51.33 -0.38 (-0.73%)
As of 08/29/2025 06:43 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Recent POSCO SEC Filings

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DateFilerForm TypeView
08/29/2025
5:02 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
08/28/2025
8:13 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
08/21/2025
5:02 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
08/19/2025
5:02 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
08/12/2025
5:03 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
08/12/2025
5:05 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
08/12/2025
5:08 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
08/05/2025
8:48 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
07/31/2025
7:52 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
07/31/2025
5:58 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
07/11/2025
7:23 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
07/10/2025
5:03 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
06/20/2025
5:36 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
05/30/2025
12:44 PM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
05/30/2025
5:04 AM		POSCO (Filer)
Form SD
Specialized Disclosure Report  
05/22/2025
5:59 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
05/14/2025
6:51 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
05/13/2025
5:07 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
05/13/2025
5:08 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
04/24/2025
6:25 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
04/24/2025
5:08 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
04/22/2025
12:07 PM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
04/10/2025
5:10 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
04/02/2025
5:06 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
03/20/2025
10:22 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
03/20/2025
10:25 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
03/20/2025
10:21 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
03/17/2025
1:01 PM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
03/17/2025
12:53 PM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/19/2025
10:15 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/19/2025
10:17 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/19/2025
10:22 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/11/2025
5:19 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/06/2025
5:04 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/05/2025
5:55 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/05/2025
5:57 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/05/2025
5:59 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/03/2025
10:26 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/03/2025
10:28 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/03/2025
10:08 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
02/03/2025
10:12 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
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01/14/2025
5:04 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
12/23/2024
8:45 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
12/12/2024
5:04 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
12/11/2024
9:19 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
11/01/2024
5:32 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
10/30/2024
9:54 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
10/30/2024
9:07 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
10/30/2024
5:07 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
10/16/2024
5:05 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
10/07/2024
5:03 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
09/25/2024
5:04 AM		POSCO (Filer)
Form SD
Specialized Disclosure Report  
09/06/2024
6:53 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
09/04/2024
10:40 AM		POSCO (Filer)
Form 6-K/A
08/30/2024
9:57 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
08/30/2024
5:09 AM		POSCO (Filer)
Form 6-K
Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934  
(Data available from 1/1/2016 forward)


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This page (NYSE:PKX) was last updated on 8/30/2025 by MarketBeat.com Staff
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