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Bookook Steel — Investor Relations & Filings

Ticker · 026940 ISIN · KR7026940007 KO Manufacturing
Open in API
Filings indexed 144 across all filing types
Latest filing 2026-06-01 Governance Information
Country KR South Korea
Listing KO 026940

About Bookook Steel

http://www.bookuksteel.co.kr/index_e.ht…

Bookook Steel Co., Ltd. is a manufacturer, processor, and distributor of steel products. The company's primary product portfolio includes hot-rolled and cold-rolled steel sheets and coils, skelps, and various steel pipes, such as galvanized and carbon steel pipes intended for general structural purposes. It also produces section steel products. These materials serve a range of industrial sectors, including the automotive and construction industries.

Recent filings

Filing Released Lang Actions
기업지배구조보고서공시
Governance Information Classification · 95% confidence The document is a detailed corporate governance report (“기업지배구조보고서 신고서”) containing sections on board structure, governance policies, shareholder meeting processes, voting information, and internal control practices. It is not a simple announcement or notice but the full governance report itself, matching the definition of Governance Information (CGR).
2026-06-01 Korean
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 95% confidence The document is titled “분기보고서” (Quarterly Report) for the period 2026.01.01–2026.03.31 (Q1 2026). It contains detailed sections on company overview, business content, full financial statements (summary financials, consolidated statements, notes), management discussion, audit opinion, and extensive tables of quarterly operational data. This matches the definition of an Interim/Quarterly Report (IR). Q1 2026
2026-05-15 Korean
최대주주등소유주식변동신고서
Major Shareholding Notification Classification · 100% confidence The document is titled '최대주주등소유주식변동신고서' which translates to 'Major Shareholding Change Report'. It details changes in share ownership by major shareholders, including dates, share counts before and after changes, and reasons for changes such as market sales. The document includes specific shareholding percentages and individual shareholder information. There is no indication of financial statements, management discussion, or other report types. This matches the definition of 'Major Shareholding Notification' (MRQ), which covers notifications of changes in significant share ownership levels. The document length is about 4843 characters, which is sufficient for a detailed notification rather than a brief announcement. Therefore, the classification is MRQ with high confidence.
2026-05-08 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 100% confidence The document is titled '주식등의 대량보유상황보고서(일반)' which translates to 'Report on Large Shareholding Status (General)'. It contains detailed information about shareholdings, changes in share ownership, relationships between shareholders, and specific share transactions. The document references legal provisions related to capital markets and financial investment laws, indicating it is a regulatory filing about major shareholdings. There is no indication that this is an annual report, earnings release, or any other financial report. The content is consistent with a Major Shareholding Notification, which reports changes in significant share ownership levels. The document length is substantial and contains detailed data, not just an announcement or certification. Therefore, the appropriate classification is Major Shareholding Notification (MRQ).
2026-05-08 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 90% confidence The document is a detailed ‘주식등의 대량보유상황보고서(일반)’ (Report on the status of large shareholdings) filed under the Korean Capital Markets Act. It provides full disclosure of shareholdings by a major shareholder and related parties, including precise share counts, percentages, changes and contract details. This corresponds exactly to a notification of significant share ownership levels (Major Shareholding Notification).
2026-04-23 Korean
최대주주등소유주식변동신고서
Major Shareholding Notification Classification · 98% confidence The document is a formal notification of changes in share ownership by the largest shareholder and related persons, titled “최대주주등소유주식변동신고서” (Major Shareholder Shareholding Change Report). It details pre- and post-transaction share counts, percentages, and individual insider transactions. This corresponds to a Major Shareholding Notification. Therefore, the correct classification is MRQ.
2026-04-17 Korean

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