Skip to main content
Seohan logo

Seohan — Investor Relations & Filings

Ticker · 011370 ISIN · KR7011370004 LEI · 988400L00C72YCBVGL38 KO Manufacturing
Filings indexed 278 across all filing types
Latest filing 2026-05-15 Interim / Quarterly Rep…
Country KR South Korea
Listing KO 011370

Seohan is a manufacturer specializing in core components for the automotive industry. The company develops and supplies a range of products including driveline systems (propulsion shafts, joints), powertrain components (exhaust, intake, turbo systems), and chassis parts. Serving global original equipment manufacturers (OEMs) such as Hyundai, Kia, GM, and Ford, Seohan focuses its research and development on modularization and systems for future eco-friendly automobiles and electric vehicles (EVs). The group also leverages its forging technology to supply the wind power industry.

Recent filings

Filing Released Lang Actions
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 94% confidence The document is titled “분기보고서” (Quarterly Report) covering the period January 1, 2026 to March 31, 2026, and includes detailed financial statements, company overview, asset schedules, business descriptions, and management confirmations. It is the full interim report itself (not an announcement or summary). This matches the definition of an Interim/Quarterly Report (IR). Q1 2026
2026-05-15 Korean
[기재정정]사업보고서 (2025.12)
Annual Report Classification · 100% confidence The document is titled '사업보고서' which translates to 'Business Report' or 'Annual Report' in Korean. It references a fiscal year period from 2025-01-01 to 2025-12-31, indicating it covers a full fiscal year. The document includes detailed financial statements, notes on accounting policies, changes, and audit opinions, as well as company overview, business activities, and management information. It also mentions corrections requested by the Financial Supervisory Service (금융감독원), which is a regulatory body in Korea overseeing financial disclosures. The length of the document is 15,000 characters, indicating it is a full report rather than a brief announcement. The presence of comprehensive financial data and detailed notes confirms this is the full annual report for the company (주)서한 for the 50th fiscal year. Therefore, the document fits the definition of an Annual Report (10-K).
2026-04-30 Korean
정기주주총회결과
Declaration of Voting Results & Voting Rights Announcements Classification · 95% confidence The document is the formal outcome of the company’s regular (annual) shareholders’ meeting on 2026-03-31. It provides the approval of financial statements, dividend resolutions, director appointments, and detailed vote counts per agenda item. This corresponds to an official declaration of voting results from an AGM. Therefore, it fits the Declaration of Voting Results & Voting Rights Announcements category.
2026-03-31 Korean
사외이사의선임ㆍ해임또는중도퇴임에관한신고
Board/Management Information Classification · 99% confidence The document is a formal notification (신고) to the Financial Supervisory Service/Korea Exchange regarding the appointment (선임) of a new outside director (사외이사) following the end of the former director’s term. It includes details such as dates, names, roles before and after the change, and regulatory addressee. This clearly falls under Board/Management Information (announcements of changes in the company’s board of directors).
2026-03-31 Korean
사업보고서 (2025.12)
Audit Report / Information Classification · 95% confidence The document is titled “연결감사보고서” and contains the independent auditor’s report, audit opinion, basis for opinion, key audit matters, management’s and auditor’s responsibilities, and the audited consolidated financial statements. It is a standalone audit report rather than a complete annual report or an announcement. This matches the definition of Audit Report / Information (Code: AR). FY 2025
2026-03-23 Korean
감사보고서제출
Audit Report / Information Classification · 94% confidence The document is written in Korean and titled “감사보고서 제출” (“Audit Report Submission”). It provides the audit opinion (“감사의견”) for consolidated and separate financial statements, lists key financial metrics (assets, liabilities, revenues, profits), audit firm name, audit report receipt date, and references K-IFRS. This is not a short notice announcing an attachment, but the actual audit report content submitted to regulators. Therefore, it matches the “Audit Report / Information” category. FY 2025
2026-03-23 Korean

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.