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DONGKUK STEEL MILL Co., Ltd. — Investor Relations & Filings

Ticker · 460860 ISIN · KR7460860000 LEI · 988400PW9HYUXLUEAD31 KO Manufacturing
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Filings indexed 188 across all filing types
Latest filing 2026-04-24 Earnings Release
Country KR South Korea
Listing KO 460860

About DONGKUK STEEL MILL Co., Ltd.

https://m.dongkuksteel.com/en/product/i…

DONGKUK STEEL MILL Co., Ltd. is a steel manufacturer producing a diverse range of steel products. The company's core offerings include reinforcing bars, sections, and steel plates. It manufactures high-tension, super-high-tension, and seismic-resistant reinforcing bars, including the premium 'D-KOIL' brand. The sections portfolio consists of H-beams, channels, and angles, with specialized products for safety applications. The steel plate division produces general and high-grade plates for various industries, including shipbuilding. The company also specializes in pre-coated and plated metal products such as color-coated, electro-galvanized, and galvalume steel, utilizing advanced galvanizing technology. Production is centered around eco-friendly electric arc furnace (EAF) technology to reduce energy consumption and emissions.

Recent filings

Filing Released Lang Actions
영업(잠정)실적(공정공시)
Earnings Release Classification · 1% confidence The document is a public disclosure of preliminary (잠정) operating results for Q1 2026, showing key figures (sales, operating profit, net income) in summary tables. It constitutes an initial announcement of quarterly financial results rather than a full interim report or annual report. Therefore, it matches the definition of an Earnings Release (ER). Q1 2026
2026-04-24 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 1% confidence The document is a statutory “주식등의 대량보유상황보고서” (Report on Large Shareholdings) filed under the Korean Capital Markets Act, detailing changes in the shareholding percentages of Dongkuk Holdings and its related parties. It is a notification of changes in significant share ownership levels, not an earnings release, proxy solicitation, or general regulatory news. This directly maps to the Major Shareholding Notification category (MRQ).
2026-04-09 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 1% confidence The document is a Korean regulatory filing titled “임원ㆍ주요주주 특정증권등 소유상황보고서,” detailing changes in share ownership by an officer/major shareholder, including before-and-after share counts, dates, and transaction types. This is a classic insider transaction or director’s dealing disclosure. Therefore it falls under the Director’s Dealing category (DIRS).
2026-04-09 Korean
최대주주등소유주식변동신고서
Major Shareholding Notification Classification · 1% confidence The document is a Korean disclosure titled “최대주주등소유주식변동신고서,” detailing changes in the ownership percentage and share counts of the company’s major shareholder and related parties as of specific dates. This is not an earnings release, annual report, management change, or share repurchase; it is a regulatory notification of a major shareholder’s change in shareholding. According to the filing definitions, this corresponds to a Major Shareholding Notification (MRQ).
2026-04-09 Korean
주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 1% confidence The document is a statutory ‘주식등의 대량보유상황보고서(약식)’ filed by the National Pension Service disclosing its large shareholding in 동국제강 (Dongkuk Steel) and reporting changes in its ownership percentage. This clearly matches a notification of changes in significant share ownership levels under capital markets regulations. Therefore, it is classified as a Major Shareholding Notification (MRQ).
2026-04-01 Korean
최대주주등소유주식변동신고서
Major Shareholding Notification Classification · 1% confidence The document is a Korean ‘최대주주등소유주식변동신고서’, a formal report of changes in the holdings of the company’s major shareholder(s). It details share counts before and after the change, personal details of the major shareholder and specific share movements. This matches the “Major Shareholding Notification” category.
2026-03-30 Korean

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