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QUALITAS SEMICONDUCTOR CO., LTD. — Investor Relations & Filings

Ticker · 432720 ISIN · KR7432720001 KO Manufacturing
Filings indexed 153 across all filing types
Latest filing 2025-11-06 Director's Dealing
Country KR South Korea
Listing KO 432720

About QUALITAS SEMICONDUCTOR CO., LTD.

https://www.q-semi.com/

Qualitas Semiconductor is a fabless semiconductor company specializing in the design and licensing of high-speed interconnect IP (Intellectual Property). The company provides a portfolio of silicon-proven Physical Layer (PHY) and controller IP for various industry standards, including SERDES, PCI Express (up to Gen6), UCIe for chiplet integration, MIPI, USB, and Ethernet. Focusing on analog and mixed-signal design for advanced process nodes, its solutions are engineered for low-power consumption and high performance. The IP is integrated into System-on-Chips (SoCs) for demanding applications such as artificial intelligence (AI), high-performance computing (HPC), data centers, and automotive systems. The company also holds ISO 26262 certification for automotive functional safety.

Recent filings

Filing Released Lang Actions
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 100% confidence The document is titled '임원ㆍ주요주주 특정증권등 소유상황보고서' which translates to 'Report on Ownership Status of Specific Securities by Executives and Major Shareholders.' It includes detailed information about the ownership changes of securities by an executive named 경일현, including dates, number of shares owned, and transaction details. The document is addressed to regulatory bodies such as the Securities and Futures Commission and the Korea Exchange. This type of filing corresponds to a report of personal share transactions by company directors and executives, which matches the definition of Director's Dealing (DIRS). The document length is 2533 characters, which is consistent with a detailed ownership report rather than a brief announcement or certification. Therefore, the correct classification is DIRS with high confidence.
2025-11-06 Korean
단일판매ㆍ공급계약체결
Capital/Financing Update Classification · 95% confidence The document is a short announcement (1350 characters) detailing a single sales and supply contract for semiconductor IP licensing. It includes contract terms, amounts, counterparties, and confidentiality notes. There is no financial report, no management discussion, no earnings data, and no regulatory certification. The document is a specific contract announcement related to sales and supply, which fits best under Capital/Financing Update (CAP) as it relates to contract and revenue updates rather than a full financial report or other categories. The document is not a report itself but an announcement of a contract agreement, so it is not an Annual Report or Interim Report. Therefore, the best classification is CAP with high confidence.
2025-11-04 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 100% confidence The document is titled '주식등의 대량보유상황보고서' which translates to 'Report on Large Shareholding Status'. It details the shareholding changes of a major shareholder and related parties, including specific share counts, percentages, dates, and transaction details. It references legal requirements under the Capital Markets Act and includes detailed tables of share ownership and changes. There is no indication of financial statements, earnings data, management discussion, or other report types. This type of document corresponds to notifications of changes in significant share ownership levels, which matches the definition of 'Major Shareholding Notification' (Code: MRQ). The document length is sufficient and contains substantive data about shareholding changes, not just an announcement or certification. Therefore, the correct classification is MRQ with high confidence.
2025-10-31 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 100% confidence The document is titled '임원ㆍ주요주주 특정증권등 소유상황보고서' which translates to 'Report on Ownership Status of Specific Securities by Executives and Major Shareholders.' It contains detailed information about share ownership changes, dates of transactions, and ownership percentages for an individual named 최광천, who is an executive at the company (주)퀄리타스반도체. The document is addressed to regulatory bodies such as the Securities and Futures Commission and the Korea Exchange, indicating it is a regulatory disclosure. The content focuses on insider share ownership and transactions rather than financial results, management changes, or other report types. This matches the definition of a Director's Dealing report, which covers personal share transactions by company directors and executives (insider trades). The document length is 2674 characters, which is consistent with a detailed insider transaction report rather than a full financial report or announcement. Therefore, the correct classification is Director's Dealing (DIRS).
2025-10-31 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Major Shareholding Notification Classification · 95% confidence The document is titled '임원ㆍ주요주주 특정증권등 소유상황보고서' which translates to 'Report on Ownership Status of Specific Securities by Executives and Major Shareholders.' It contains detailed information about the ownership changes of securities by an executive named 박 용 현, including dates, number of shares owned, and transaction details. The document is addressed to regulatory bodies such as the Securities and Futures Commission and the Korea Exchange. This type of filing corresponds to a notification of changes in significant share ownership levels, which matches the definition of 'Major Shareholding Notification' (Code: MRQ). The document length is 2579 characters, which is consistent with a detailed ownership notification rather than a full financial report or announcement. Therefore, the correct classification is MRQ with high confidence.
2025-10-31 Korean
단일판매ㆍ공급계약체결
Capital/Financing Update Classification · 95% confidence The document is a short announcement about a single sales and supply contract related to semiconductor IP licensing. It includes contract details such as contract amount, contract period, payment terms, and confidentiality notes. The document length is only 1358 characters, which is quite brief and does not contain any financial statements or detailed financial analysis. It is clearly an announcement of a contract agreement rather than a financial report or detailed investor presentation. Therefore, it fits best under the category of Capital/Financing Update (CAP), which covers updates on company fundraising, financing activities, or capital structure changes, including significant contracts that impact company revenue.
2025-10-31 Korean

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