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SEONG AN Materials CO.,LTD — Investor Relations & Filings

Ticker · 011300 ISIN · KR7011300001 KO Manufacturing
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Filings indexed 518 across all filing types
Latest filing 2026-05-29 Major Shareholding Noti…
Country KR South Korea
Listing KO 011300

About SEONG AN Materials CO.,LTD

http://seong-an.com/

SEONG AN Materials CO.,LTD. is a manufacturer of rare-earth metals, focusing on the production of Neodymium-Praseodymium (NdPr) metal. The company operates a distinct value chain, importing NdPr Oxide from the United States and processing it into metal at its own plant. This positions the company as a supplier of critical materials for high-performance permanent magnets used in sectors such as electric vehicles and renewable energy.

Recent filings

Filing Released Lang Actions
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 92% confidence The document is a detailed Korean “주식등의 대량보유상황보고서(일반)” – a report filed under the Capital Markets Act disclosing large shareholdings and changes in ownership percentages, with line‐by‐line share counts, percentages, transaction dates, purpose, funding sources, and related parties. This matches the definition of a Major Shareholding Notification (MRQ).
2026-05-29 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 92% confidence The document is a Korean “주식등의 대량보유상황보고서,” which is a mandatory large shareholding status report under the Capital Markets Act. It details holdings and changes in significant share ownership of (주)더블유에스 in (주)우성머티리얼스, including acquisition dates, volumes, and reasons. This matches the definition of a Major Shareholding Notification (MRQ).
2026-05-29 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 85% confidence The document is a statutory report filed by an executive and major shareholder (임원ㆍ주요주주) detailing changes in their specific securities holdings, including counts before/after, transaction dates, acquisition type, and prices. This matches the definition of insider share transactions by directors or executives. According to our taxonomy, such filings fall under Director’s Dealing (DIRS).
2026-05-29 Korean
기업지배구조보고서공시
Governance Information Classification · 92% confidence The document is a detailed corporate governance report (“기업지배구조보고서 신고서”) covering governance policies, board structure, compliance indicators, shareholder meeting information, and governance practices for the 2025 fiscal year. It is neither a brief announcement nor a financial statement, but a full report on governance matters. This matches the Governance Information category.
2026-05-29 Korean
주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 95% confidence The document is a "주식등의 대량보유상황보고서(약식)", i.e. a large shareholding status report filed under Korea’s Capital Markets law, detailing the number of shares held, shareholding percentage, and changes due to convertible bond acquisitions. This is not an annual or interim financial report but a notification of significant shareholding changes (threshold reporting). It therefore matches the "Major Shareholding Notification" category (MRQ).
2026-05-27 Korean
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 95% confidence The document is clearly titled “분기보고서 (제 51 기 1분기)” which translates to a quarterly report for the first quarter of the fiscal year (2026-01-01 to 2026-03-31). It contains detailed financial information, corporate overview, tables of capital changes, subsidiary listings, and actual financial data rather than just a press release or notice. This matches the definition of an Interim / Quarterly Report. Q1 2026
2026-05-15 Korean

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