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SEJIN HEAVY INDUSTRIES CO., LTD. — Investor Relations & Filings

Ticker · 075580 ISIN · KR7075580001 KO Manufacturing
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Filings indexed 299 across all filing types
Latest filing 2026-04-06 Major Shareholding Noti…
Country KR South Korea
Listing KO 075580

About SEJIN HEAVY INDUSTRIES CO., LTD.

http://www.sejinheavy.com/eng_main.asp

Sejin Heavy Industries Co., Ltd. is a manufacturer specializing in large-scale components for the shipbuilding and renewable energy sectors. The company's primary products for the shipbuilding industry include mega-sized deck houses, which serve as the living and operational quarters on vessels, and specialized cargo tanks for Liquefied Petroleum Gas (LPG) and Liquefied Natural Gas (LNG) carriers. It also produces other large structural components such as upper deck units. Leveraging its expertise in heavy steel structure fabrication, the company has expanded its portfolio to include components for the wind power industry. Sejin Heavy Industries is recognized for its technical capabilities in manufacturing large, complex structures, serving major shipbuilders and energy project developers globally.

Recent filings

Filing Released Lang Actions
최대주주등소유주식변동신고서
Major Shareholding Notification Classification · 1% confidence The document is titled “최대주주등소유주식변동신고서” (Report of Changes in Share Ownership by Major Shareholders and Related Parties) and details share movements by corporate officers (major shareholders, director resignations and new appointments affecting share count). This is a disclosure of insider/major shareholder shareholding changes rather than an earnings release, M&A, or AGM presentation. It fits the Major Shareholding Notification category.
2026-04-06 Korean
대표이사(대표집행임원)변경(안내공시)
Board/Management Information Classification · 1% confidence The document is a formal announcement (‘안내공시’) detailing a change in the company’s 대표이사 (CEO/representative director), including names before and after, date of change, and brief biographical details. This fits the Board/Management Information category.
2026-03-31 Korean
정기주주총회결과
Declaration of Voting Results & Voting Rights Announcements Classification · 1% confidence The document is titled “정기주주총회결과” (Regular General Shareholders’ Meeting Results) and provides detailed voting outcomes for each agenda item, including approval of financial statements, dividend resolutions, and director appointments, with percentages and vote counts. This matches the definition of a Declaration of Voting Results & Voting Rights Announcements (DVA).
2026-03-31 Korean
기업가치제고계획(자율공시)
Regulatory Filings Classification · 1% confidence The document is a voluntary disclosure (“자율공시”) titled “기업가치 제고 계획” which outlines a corporate value enhancement plan including target setting, shareholder return policies, and relevant tax/dividend figures. It is not an earnings release, dividend notice, financing announcement, or standard US‐style annual/interim report, nor does it correspond to any of the more specific categories (e.g., CAP, DIV, IR, IP). Therefore, it falls under the fallback category for miscellaneous regulatory disclosures.
2026-03-31 Korean
감사보고서제출
Audit Report / Information Classification · 1% confidence The document is the text of an auditor’s report (“감사보고서 제출”) including detailed audit opinions, consolidated and separate financial statement figures, the auditor’s name, and relevant K-IFRS notes. It is not merely an announcement or summary but the actual audit report contents. Therefore it falls under the standalone Audit Report / Information category. FY 2025
2026-03-23 Korean
사업보고서 (2025.12)
Audit Report / Information Classification · 1% confidence The document is titled “감사보고서” and contains the independent auditor’s report, audit opinion, detailed financial statements (balance sheet, income statement, cash flows), notes, and internal control audit opinions. It is a standalone audit report, not merely an announcement or summary. Therefore, it matches the definition of Audit Report / Information (Code: AR). FY 2025
2026-03-23 Korean

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