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SEOJIN SYSTEM CO.,LTD — Investor Relations & Filings

Ticker · 178320 ISIN · KR7178320008 LEI · 988400U9NKI8DHZ0J583 KO Manufacturing
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Filings indexed 532 across all filing types
Latest filing 2025-03-25 Major Shareholding Noti…
Country KR South Korea
Listing KO 178320

About SEOJIN SYSTEM CO.,LTD

https://www.seojinsystem.net/main/en/

Seojin System Co., Ltd. is a specialized manufacturer focusing on aluminum alloy die-casting technology. The company produces a diverse range of components and equipment for several key technology sectors. Core business areas include the manufacturing of telecommunication equipment parts, such as remote radio heads (RRH), digital units (DU), and aluminum enclosures. The company has expanded its portfolio to include critical components for energy storage systems (ESS), semiconductor manufacturing equipment, and parts for electric vehicles and batteries. Its manufacturing capabilities encompass the process from raw aluminum material to finished products, serving as a global business partner for technology-driven industries.

Recent filings

Filing Released Lang Actions
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 100% confidence The document is a '주식등의 대량보유상황보고서' (Report on Large Shareholding of Stocks, etc.), which is a standard regulatory filing in South Korea under the Capital Markets Act (Article 147). It details the shareholding status, changes in ownership, and special relationships of major shareholders (in this case, Jeon Dong-kyu and related parties of Seojin System). This type of filing is specifically categorized as a 'Major Shareholding Notification' (MRQ) in the provided schema.
2025-03-25 Korean
감사보고서제출
Audit Report / Information Classification · 100% confidence The document is a regulatory filing titled '감사보고서 제출' (Submission of Audit Report) from the company '서진시스템'. It provides a summary of the audit opinion (which is '적정' or 'unqualified'), key financial data (assets, liabilities, equity, revenue, profit), and details regarding the external auditor. While it contains financial data, it is a standard regulatory disclosure announcement in the Korean market (DART system) notifying the public that the audit report has been submitted, rather than the full annual report document itself. Therefore, it is classified as a Regulatory Filing. FY 2024
2025-03-19 Korean
사업보고서 (2024.12)
Annual Report Classification · 100% confidence The document is titled '사업보고서' (Business Report) for the 18th fiscal year (2024), which is the standard terminology for an Annual Report in the South Korean regulatory framework (DART). It contains comprehensive financial and operational information, including company overview, management discussion, capital structure, and shareholding details, covering the full fiscal year from January 1, 2024, to December 31, 2024. This aligns with the definition of a 10-K (Annual Report). FY 2024
2025-03-19 Korean
[기재정정]사업보고서 (2024.12)
Annual Report Classification · 95% confidence The document is a 'Correction Report' (정정신고) for a previously filed 'Business Report' (사업보고서), which is the Korean equivalent of a 10-K. It explicitly lists the corrections made to the financial statements and notes (III. 재무에 관한 사항). Since it contains substantive financial data and is a formal amendment to a primary annual financial report, it is classified as an Annual Report (10-K). FY 2024
2025-03-19 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 100% confidence The document is a 'Report of Large Shareholding' (주식등의 대량보유상황보고서), which is a regulatory filing required under Article 147 of the Capital Markets Act in South Korea. This document details the share ownership, special relationships, and changes in shareholding (specifically mentioning a change in stock collateral agreements) for the company Seojin System. Since this is a formal notification of significant share ownership changes (crossing thresholds or reporting status), it falls under the 'Major Shareholding Notification' category.
2025-03-18 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 100% confidence The document is a 'Report on Ownership of Specific Securities by Executives and Major Shareholders' (임원ㆍ주요주주 특정증권등 소유상황보고서) filed with the Korean Financial Supervisory Service. It details the share acquisition (insider trading) by an executive (Jung Jong-ki) of Seojin System. This falls under the category of Director's Dealing (DIRS).
2025-03-14 Korean

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