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

Ticker · 011300 ISIN · KR7011300001 KO Manufacturing
Open in API
Filings indexed 520 across all filing types
Latest filing 2026-06-05 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(약식)
Major Shareholding Notification Classification · 92% confidence The document is a ‘주식등의 대량보유상황보고서(약식)’, i.e., a large shareholding notification filed under Korea’s Capital Market Act detailing changes in significant share ownership ratios, filing dates, share counts, beneficial owner details, and change reasons. This corresponds exactly to a Major Shareholding Notification (changes in significant share ownership levels).
2026-06-05 Korean
전환가액ㆍ신주인수권행사가액ㆍ교환가액의조정(안내공시)
Regulatory Filings Classification · 75% confidence The document is a Korean-language "안내공시" (voluntary disclosure) notifying of an adjustment to convertible bond conversion/exercise/exchange prices due to a share consolidation. It is not a full financial report (10-K or quarterly), not management or board changes, not a dividend or proxy statement, and not fundraising of new capital. Rather, it is a regulatory disclosure of a price adjustment for an existing financing instrument. This falls under the general “Regulatory Filings” category for miscellaneous compliance announcements (RNS).
2026-06-01 Korean
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

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