Skip to main content
SEOJIN SYSTEM CO.,LTD logo

SEOJIN SYSTEM CO.,LTD — Investor Relations & Filings

Ticker · 178320 ISIN · KR7178320008 LEI · 988400U9NKI8DHZ0J583 KO Manufacturing
Filings indexed 532 across all filing types
Latest filing 2025-05-19 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), which is a standard regulatory filing in South Korea under the Capital Markets Act. It details the shareholding status, changes in ownership, and special relationships of the major shareholder (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.
2025-05-19 Korean
최대주주변경을수반하는주식담보제공계약체결
Major Shareholding Notification Classification · 100% confidence The document is a regulatory filing from a South Korean company (Seojin System) detailing a 'Pledge of Shares' contract by the largest shareholder. This type of disclosure, which involves the pledging of shares as collateral for loans, is a standard regulatory requirement for listed companies to inform the market about potential changes in share ownership or financial risk. It does not fit into categories like earnings releases, annual reports, or M&A, and is best classified as a general regulatory filing.
2025-05-15 Korean
분기보고서 (2025.03)
Interim / Quarterly Report Classification · 100% confidence The document is a '분기보고서' (Quarterly Report) for Seojin System, covering the period from January 1, 2025, to March 31, 2025. It contains detailed financial statements, business descriptions, management analysis, and audit information, which aligns with the definition of an Interim/Quarterly Report (IR). Q1 2025
2025-05-15 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 100% confidence The document is a '주식등의 대량보유상황보고서' (Report on Large Shareholding), which is a standard regulatory filing in South Korea under the Capital Markets Act (Article 147). This document details the shareholding status, changes in ownership, and special relationships of major shareholders. In the context of the provided filing categories, this corresponds to a 'Major Shareholding Notification' (MRQ), as it tracks significant ownership thresholds and changes in control.
2025-05-12 Korean
소속부변경
Regulatory Filings Classification · 100% confidence The document is a short, structured announcement regarding a change in the company's market classification (from 'Large-cap' to 'Venture' status) on the stock exchange. It does not contain full financial statements or detailed reports, but rather serves as a formal regulatory notification of a corporate status change. As it does not fit into specific categories like M&A, dividends, or director dealings, it falls under the general regulatory filing category.
2025-04-30 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 the Capital Markets Act in South Korea when a person or entity acquires a significant stake (typically 5% or more) in a listed company. This document details the shareholding changes of the major shareholder (Jeon Dong-kyu) and his special related parties in Seojin System. It is a standard regulatory disclosure form, not an annual report, earnings release, or announcement of a report. Therefore, it falls under the 'Major Shareholding Notification' category.
2025-04-25 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.