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DI CORPORATION — Investor Relations & Filings

Ticker · 003160 ISIN · KR7003160009 KO Manufacturing
Open in API
Filings indexed 225 across all filing types
Latest filing 2026-02-19 Management Reports
Country KR South Korea
Listing KO 003160

About DI CORPORATION

http://www.di.co.kr/eng/main/main.aspx

DI CORPORATION is a manufacturer specializing in semiconductor test and inspection equipment. The company provides a comprehensive portfolio of solutions centered on burn-in technology, designed to ensure the reliability and performance of semiconductor devices. Its primary product lines include various types of burn-in systems, such as Test Burn-In Testers, Monitoring Burn-In Testers, and Logic Burn-In Testers, as well as systems for Multi-Layer Ceramic Capacitors (MLCCs). Additionally, the company offers LED Burn-In & Test Systems, Multi Flexibility Testers, and customized burn-in boards for both memory and logic applications, serving a global client base in the semiconductor sector.

Recent filings

Filing Released Lang Actions
매출액또는손익구조30%(대규모법인은15%)이상변경
Management Reports Classification · 95% confidence The document is a regulatory filing from a Korean company (DI Corp) announcing a significant change in revenue or profit structure (30% or more). This is a standard regulatory disclosure requirement in the Korean market (DART system) for preliminary financial results before the final audit report is filed. Since it provides key financial highlights and performance metrics for the fiscal year, it fits the definition of an Earnings Release (ER).
2026-02-19 Korean
현금ㆍ현물배당결정
Notice of Dividend Amount Classification · 100% confidence The document is a formal announcement from a company (DI Corp) regarding the decision to pay cash dividends. It specifies the dividend amount per share, the dividend record date, the payment date, and the date of the board resolution. This aligns perfectly with the definition of a 'Notice of Dividend Amount' (DIV).
2026-02-19 Korean
기타경영사항(자율공시)(종속회사의주요경영사항)
Capital/Financing Update Classification · 95% confidence The document is a regulatory filing from a Korean company (DI Corp) regarding a significant supply contract (HBM4 WAFER TESTER) signed by its subsidiary, Digital Frontier, with SK Hynix. This is a material business event disclosure. Since it does not fit into specific categories like M&A, dividends, or director dealings, it falls under the general regulatory filing category.
2026-01-30 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). It details the shareholding status, changes in ownership, and purpose of holding (management influence) for major shareholders of the company '(주)디아이'. This type of filing is specifically categorized as a 'Major Shareholding Notification' (MRQ) in the provided schema.
2026-01-20 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). It details changes in share ownership by major shareholders (Park Won-ho and Park Won-duk) of the company DI Corp (주식회사 디아이). This type of filing is specifically used to notify the market when a major shareholder's stake changes or when there are changes in significant shareholding agreements (such as stock collateral loans). Since it is a formal regulatory disclosure of shareholding status, it falls under the 'Major Shareholding Notification' category.
2025-12-30 Korean
주주명부폐쇄기간또는기준일설정
Regulatory Filings Classification · 95% confidence The document is a short regulatory announcement regarding the setting of a record date and shareholder register closure for an upcoming Annual General Meeting (AGM). It does not contain the full meeting materials or proxy statements, but rather serves as a formal notice of the procedural steps required for the meeting. Given its nature as a regulatory notification of a corporate event, it fits best under the RNS category.
2025-12-16 Korean

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