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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 190 across all filing types
Latest filing 2026-05-15 Interim / Quarterly Rep…
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
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 95% confidence The document is a Korean “분기보고서” (Quarterly Report) covering the period January 1 to March 31, 2026. It contains full financial statements, notes, management discussion and analysis, risk disclosures, and detailed segment information. It is not merely an announcement or link to a report but the complete interim financial report itself. Therefore, it should be classified as an Interim/Quarterly Report. Q1 2026
2026-05-15 Korean
주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 100% confidence The document is titled '주식등의 대량보유상황보고서(약식)' which translates to 'Report on Large Shareholding Status (Abbreviated)'. It details the shareholding changes of a significant shareholder, including the number of shares held, changes in holdings, and related information. The document references specific dates and shareholding percentages, and it is a regulatory disclosure related to major shareholding notifications. There is no indication that this is an annual report, earnings release, or any other type of financial report. It is a notification of changes in significant share ownership levels, consistent with the definition of Major Shareholding Notification (MRQ). The document length is 6276 characters, which is sufficient to contain detailed information rather than a mere announcement. Therefore, the correct classification is MRQ with high confidence.
2026-05-07 Korean
영업(잠정)실적(공정공시)
Earnings Release Classification · 90% 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 · 90% 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 · 92% 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 · 95% 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

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