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SK hynix Inc. — Investor Relations & Filings

Ticker · 000660 ISIN · KR7000660001 LEI · 988400XAIK6XISWQV045 KO Manufacturing
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Filings indexed 1,606 across all filing types
Latest filing 2025-10-14 Major Shareholding Noti…
Country KR South Korea
Listing KO 000660

About SK hynix Inc.

https://www.skhynix.com/

SK hynix Inc. is a global technology company that designs, develops, and manufactures semiconductor memory solutions. Its primary products include Dynamic Random-Access Memory (DRAM) and NAND flash memory. The company's portfolio extends to derived solutions such as Solid-State Drives (SSDs), Multi-Chip Packages (MCP), and Compute Express Link (CXL) Memory Modules (CMM). These components are essential for a wide range of applications, serving key markets including AI, servers, networking, mobile devices, personal computers, consumer electronics, and automotive systems. SK hynix focuses on developing innovative memory technologies to power the data-driven digital era.

Recent filings

Filing Released Lang Actions
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 status of The Capital Group Companies, Inc. in SK Hynix as of specific dates, including the number of shares held and voting rights percentages. It includes detailed information about the reporting entity, related parties, and shareholding changes. This matches the description of a Major Shareholding Notification, which reports changes in significant share ownership levels crossing thresholds. The document is lengthy (15,000 characters) and contains substantive data, not just an announcement or certification. Therefore, the appropriate classification is Major Shareholding Notification (MRQ).
2025-10-14 Korean
주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 100% confidence The document is titled '주식등의 대량보유상황보고서(약식)' which translates to 'Report on Large Holdings of Stocks (Abbreviated)'. It details the ownership and changes in large shareholdings by Capital Research and Management Company and related entities in SK Hynix as of September 30, 2025. The document includes detailed information about the number of shares held, ownership percentages, changes in holdings, and relationships between the reporting entities and the issuer. This type of filing corresponds to notifications of changes in significant share ownership levels, which matches the definition of 'Major Shareholding Notification' (Code: MRQ). The document is not an annual report, earnings release, or any other type of report but a regulatory disclosure of shareholding changes.
2025-10-14 Korean
동일인등출자계열회사와의상품ㆍ용역거래변경
Regulatory Filings Classification · 82% confidence The document is a disclosure of changes in related‐party transactions (동일인 등 출자 계열회사와의 상품·용역 거래 변경) by SK Hynix under Korea’s Fair Trade Act. It provides details of sales and purchases with an affiliate for the upcoming quarter. This is a regulatory compliance announcement rather than an earnings release, financial report, or management presentation. It does not contain full financial statements or detailed analytical commentary, nor is it simply notifying publication of another report. Therefore, it falls under the general Regulatory Filings (RNS) category.
2025-09-23 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 100% confidence The document is a 'Report on Ownership of Specific Securities by Executives and Major Shareholders' (임원ㆍ주요주주 특정증권등 소유상황보고서) filed by an executive (Park Myung-soo) of SK Hynix. This type of filing is a standard regulatory requirement for reporting insider transactions (director's dealings) in South Korea. Based on the provided definitions, this falls under 'Director's Dealing' (DIRS).
2025-09-19 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 100% confidence The document is a 'Report on Ownership of Specific Securities by Executives and Major Shareholders' (임원ㆍ주요주주 특정증권등 소유상황보고서) filed with the Korean financial authorities (Financial Supervisory Service/Korea Exchange). It details the share transactions (specifically a sale of shares) by an executive (Park Su-man) of SK Hynix. This type of filing is classified as 'Director's Dealing' (DIRS) as it reports personal share transactions by company directors and executives.
2025-09-19 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 100% confidence The document is a 'Report on Ownership of Specific Securities by Executives and Major Shareholders' (임원ㆍ주요주주 특정증권등 소유상황보고서) filed with the Korean Financial Supervisory Service. This type of filing is a standard regulatory disclosure for insider trading or changes in share ownership by company directors and executives. Based on the provided definitions, this corresponds to 'Director's Dealing' (DIRS).
2025-09-19 Korean

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