Skip to main content
NIPPON STEEL CORPORATION logo

NIPPON STEEL CORPORATION — Investor Relations & Filings

Ticker · 5401 ISIN · JP3381000003 LEI · 35380065QWQ4U2V3PA33 T Manufacturing
Filings indexed 172 across all filing types
Latest filing 2025-06-23 M&A Activity
Country JP Japan
Listing T 5401

About NIPPON STEEL CORPORATION

https://www.nipponsteel.com/

Nippon Steel Corporation is a global integrated steel manufacturer recognized for its advanced technology and production capabilities. The company's primary operations encompass steelmaking and steel fabrication, with additional business segments in engineering, chemicals, and systems solutions. It provides a comprehensive range of high-value steel products for various global markets, including automotive, infrastructure, and energy. With a worldwide network of manufacturing facilities, the corporation focuses on delivering innovative materials and solutions. A key strategic priority is sustainability, demonstrated through its commitment to achieving carbon neutrality and the development of environmentally conscious products and technologies.

Recent filings

Filing Released Lang Actions
訂正臨時報告書
M&A Activity Classification · 1% confidence The document header explicitly states: "【提出書類】 臨時報告書(2025年6月23日付け訂正報告書の添付インラインXBRL)" (Filing Document: Extraordinary Report (Inline XBRL attached to the Correction Report dated June 23, 2025)). The body text repeatedly refers to filing "臨時報告書" (Extraordinary Report) and "臨時報告書の訂正報告書" (Correction Report for the Extraordinary Report) based on the Financial Instruments and Exchange Act (金融商品取引法). This type of filing, which reports significant corporate events like a major subsidiary acquisition (子会社取得) and subsequent changes, corresponds to the Japanese equivalent of a major event disclosure, which is best categorized as a general Regulatory Filing (RNS) or, given the context of significant corporate action disclosure, often falls under the broader category of filings that are not standard periodic reports (10-K, IR, ER). However, since the document is a formal, detailed report about a major transaction (acquisition of U.S. Steel) and its subsequent updates/corrections, and it is explicitly titled as a 'Temporary Report' (臨時報告書), which is a specific type of regulatory disclosure in Japan, it fits the definition of a comprehensive regulatory filing that isn't a standard annual/interim report. Given the provided options, 'RNS' (Regulatory Filings) is the most appropriate fallback for specific, non-periodic regulatory disclosures like this, especially since it is a detailed report itself, not just an announcement of a report (ruling #2 does not apply as the document is long and detailed). If a more specific code existed for 'Extraordinary Report' or 'Significant Event Disclosure', that would be preferred, but RNS serves as the best fit among the choices for detailed, non-standard regulatory submissions.
2025-06-23 Japanese
訂正発行登録書
Capital/Financing Update Classification · 1% confidence The document is titled "訂正発行登録書" (Correction Registration Statement) and is submitted to the Kanto Local Finance Bureau ("関東財務局長"). It explicitly mentions the security type as "社債" (Corporate Bonds) and details the original registration date, effective date, and validity period. The submission reason states that an Extraordinary Report (臨時報告書) was filed, referencing the original Registration Statement. This structure—a formal filing related to the issuance of securities (bonds) and referencing prior registration documents—points towards a filing related to capital structure or financing activities. Given the options, 'Capital/Financing Update' (CAP) is the most appropriate category for a registration statement concerning the issuance of corporate bonds, even though this specific document is a correction to that registration.
2025-05-09 Japanese
臨時報告書
Regulatory Filings Classification · 1% confidence The document header explicitly states the filing type as "臨時報告書" (Extraordinary Report or Timely Disclosure Report). The content details a significant event (closure of steel production lines at the Kashima Works) that materially affects the company's financial condition, filed under the provisions of Article 24-5, Paragraph 4 of the Financial Instruments and Exchange Act. This structure—a formal report detailing a significant, non-periodic event—aligns best with the general category for significant regulatory disclosures that are not standard periodic reports (like 10-K or IR). Since the definitions provided do not have a specific code for a Japanese 'Extraordinary Report' (which often maps to an 8-K in the US context), and given the nature of the disclosure (a major operational/financial event), the most appropriate general regulatory filing category is 'Regulatory Filings' (RNS), as it serves as a fallback for specific regulatory announcements not covered elsewhere. The document is the report itself, not an announcement of a report, so RPA is incorrect. It is not a standard 10-K, AR, or IR.
2025-05-09 Japanese
変更報告書(短期大量譲渡)
Major Shareholding Notification Classification · 1% confidence The document is titled '株券等の大量保有の状況の開示に関する内閣府令 第一号及び第二号様式 大量保有報告書' (Large Shareholding Report based on Cabinet Office Ordinance Forms No. 1 and No. 2). It explicitly states it is a '変更保有報告書No1' (Change Report No. 1) filed with the Kanto Local Finance Bureau. The content details the change in shareholding percentage (from 8.36% down to 0% in the summary table, though the transaction details suggest a disposal of 1,636,190 shares on April 25, 2025, which caused the reporting obligation change). This type of filing in Japan, reporting changes in holdings exceeding 5% (or changes in purpose), corresponds to the concept of Major Shareholding Notification, which is classified as 'MRQ' in the provided schema, as it specifically deals with changes in significant share ownership levels crossing thresholds.
2025-05-07 Japanese
変更報告書(短期大量譲渡)
Major Shareholding Notification Classification · 1% confidence The document text is titled '株券等の大量保有の状況の開示に関する内閣府令 第一号及び第二号様式 大量保有報告書' (Cabinet Office Ordinance on Disclosure of Large Volume Shareholdings Forms No. 1 and No. 2, Large Shareholding Report). This explicitly identifies the filing as a report related to large shareholdings in Japan, which corresponds to the disclosure requirements for insider/significant shareholder transactions. Reviewing the provided definitions, the category 'Major Shareholding Notification' (Code: MRQ) is the closest match, as it covers 'Notification of changes in significant share ownership levels (crossing thresholds)'. The document details the change in shareholding percentage (from 6.87% to 0.00% for the group) due to a tender offer acceptance, which is a direct change in a major shareholding position. It is not an Annual Report (10-K), Interim Report (IR), Earnings Release (ER), or a general Regulatory Filing (RNS), as it pertains to a very specific type of ownership disclosure. Therefore, the classification is MRQ.
2025-04-18 Japanese
変更報告書
Major Shareholding Notification Classification · 1% confidence The document text is explicitly titled '株券等の大量保有の状況の開示に関する内閣府令 第一号様式 大量保有報告書' (Cabinet Office Ordinance on Disclosure of Large Volume Shareholdings Form No. 1 Large Shareholding Report) and contains sections detailing '提出書類' (Filing Document) as '変更報告書 №15' (Change Report No. 15), referencing Japanese financial regulations (法第27条の25第1項). This structure is characteristic of filings related to changes in major share ownership thresholds in Japan, which corresponds to the definition of Major Shareholding Notification (MRQ) in the provided schema, as it reports on changes in significant share ownership levels (crossing thresholds). The document is a comprehensive report detailing holdings, not just an announcement of a report's release.
2025-04-16 Japanese

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.