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

Ticker · 432720 ISIN · KR7432720001 KO Manufacturing
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Filings indexed 153 across all filing types
Latest filing 2026-05-15 Interim / Quarterly Rep…
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
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 98% confidence The document is a Korean-language 분기보고서 (quarterly report) covering the period January 1, 2026 to March 31, 2026. It contains detailed sections on business overview, product lines, revenue breakdowns by product and geography, risk management, derivative transactions, and other substantive financial disclosures consistent with a comprehensive interim/quarterly financial report. Therefore, it should be classified as an Interim / Quarterly Report. Q1 2026
2026-05-15 Korean
주식등의대량보유상황보고서(일반)
Regulatory Filings
2026-05-08 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Regulatory Filings
2026-05-08 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Regulatory Filings
2026-05-08 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 95% confidence The document is a Korean-language filing titled “임원ㆍ주요주주 특정증권등 소유상황보고서,” which is a statutory report by an officer (director/executive) disclosing changes in personal share ownership and specific securities. It is submitted to the Financial Services Commission and the Korea Exchange, detailing the number of shares before and after transactions, acquisition dates, and other insider transaction details. This matches a Director’s Dealing report.
2026-04-23 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 90% confidence The document is a statutory insider shareholding report (“임원ㆍ주요주주 특정증권등 소유상황보고서”) filed by an executive disclosing changes in his ownership of the company’s shares and specific securities, referencing reporting obligations to the Securities and Futures Commission and Korea Exchange. This matches the definition of a Director's Dealing (insider transaction) report rather than a financial statement or generic regulatory announcement.
2026-04-23 Korean

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