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

Ticker · 075580 ISIN · KR7075580001 KO Manufacturing
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Filings indexed 301 across all filing types
Latest filing 2026-05-18 Interim / Quarterly Rep…
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
[기재정정]분기보고서 (2026.03)
Interim / Quarterly Report Classification · 95% confidence The document is titled “분기보고서” (Korean for “Quarterly Report”) covering the first quarter (2026-01-01 to 2026-03-31) and includes full financial statements (balance sheet, income statement, cash flows, notes), plus management discussion and auditor’s opinion. This is a substantive interim/quarterly financial report, not merely a release announcement or certification. Therefore it should be classified as an Interim / Quarterly Report (IR). Q1 2026
2026-05-18 Korean
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 95% confidence The document is titled “분기보고서 (제 28기 1분기)” covering the period 2026-01-01 to 2026-03-31 and contains full interim financial statements (summary financials, consolidated statements and notes), management’s discussion, auditors’ opinion, segment data, and other substantive financial disclosures. It is not merely an announcement or summary but the comprehensive quarterly report itself. Therefore, it is an Interim/Quarterly Report. Q1 2026
2026-05-15 Korean
최대주주등소유주식변동신고서
Major Shareholding Notification Classification · 91% 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 · 95% 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 · 92% 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 · 80% 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

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