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United States Steel Corporation (X) SEC Filing (S-8 POS) 2025

Browse all United States Steel Corporation SEC filings, including Annual reports (10-K), Quarterly reports (10-Q), 8-K, proxy statements (DEF 14A), and insider filings (Form 4). Access official documents by filing date, reporting period, and form type. ...more

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Last updated: March 17, 2026, 5:32 AM ET

SEC Filings

Date

2025

SC 13G/A

Updated passive ownership disclosure

Aug 14, 2025 04:09 PM

15-12G

Termination of registration for widely held securities

Jun 30, 2025 11:05 AM

8-K

Material company events (earnings, M&A, or leadership changes)

Jun 25, 2025 04:20 PM

25-NSE

Exchange-filed notice of delisting

Jun 18, 2025 09:39 AM

S-8 POS

Post-effective update to employee stock plan registration

Jun 18, 2025 05:03 PM

25-NSE

Exchange-filed notice of delisting

Jun 18, 2025 09:41 AM

8-K

Material company events (earnings, M&A, or leadership changes)

Jun 18, 2025 05:01 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 18, 2025 05:02 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 18, 2025 05:03 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 18, 2025 05:03 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 18, 2025 05:03 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 18, 2025 05:05 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 18, 2025 05:05 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 18, 2025 05:05 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 18, 2025 05:05 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 18, 2025 05:05 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 18, 2025 05:05 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 18, 2025 05:04 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 18, 2025 05:04 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 18, 2025 05:04 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 18, 2025 05:04 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 18, 2025 05:04 PM

4

Insider ownership (buying, selling) activity

Jun 18, 2025 08:28 PM

4

Insider ownership (buying, selling) activity

Jun 18, 2025 08:36 PM

4

Insider ownership (buying, selling) activity

Jun 18, 2025 08:35 PM

4

Insider ownership (buying, selling) activity

Jun 18, 2025 08:34 PM

4

Insider ownership (buying, selling) activity

Jun 18, 2025 08:34 PM

4

Insider ownership (buying, selling) activity

Jun 18, 2025 08:33 PM

4

Insider ownership (buying, selling) activity

Jun 18, 2025 08:32 PM

4

Insider ownership (buying, selling) activity

Jun 18, 2025 08:31 PM

4

Insider ownership (buying, selling) activity

Jun 18, 2025 08:30 PM

4

Insider ownership (buying, selling) activity

Jun 18, 2025 08:29 PM

4

Insider ownership (buying, selling) activity

Jun 18, 2025 08:27 PM

4

Insider ownership (buying, selling) activity

Jun 18, 2025 08:26 PM

4

Insider ownership (buying, selling) activity

Jun 18, 2025 08:26 PM

4

Insider ownership (buying, selling) activity

Jun 18, 2025 08:25 PM

4

Insider ownership (buying, selling) activity

Jun 18, 2025 08:24 PM

4

Insider ownership (buying, selling) activity

Jun 18, 2025 08:23 PM

S-3DPOS

Other SEC filing

Jun 18, 2025 05:07 PM

S-8 POS

Post-effective update to employee stock plan registration

Jun 18, 2025 05:07 PM

United States Steel Corporation (Form S-8 POS) 2025

Stock Offerings / Post-effective update to employee stock plan registration

Jun 18, 2025 05:03 PM

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