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TASC — Investor Relations & Filings

Ticker · 2340 ISIN · TW0002340007 TW Manufacturing
Filings indexed 1,920 across all filing types
Latest filing 2017-05-09 Director's Dealing
Country TW Taiwan
Listing TW 2340

Taiwan-Asia Semiconductor Corporation (TASC), formerly known as Opto Tech Corporation, is a semiconductor manufacturer specializing in optoelectronic and power components. Established in 1983, the company develops and produces sensing devices, lighting components, and power semiconductor solutions. TASC leverages silicon, III-V compounds, and wide-bandgap materials, such as Gallium Nitride (GaN) and Silicon Carbide (SiC), to serve diverse technological applications. Its product portfolio includes emitters, sensors, and power devices used in LED displays, sensing systems, and power management modules. TASC focuses on advancing semiconductor technologies for industrial, consumer, and automotive sectors, with a strategic emphasis on wide-bandgap materials and advanced packaging to support high-performance computing and artificial intelligence infrastructure.

Recent filings

Filing Released Lang Actions
106年04月內部人持股異動(事後)
Director's Dealing Classification · 100% confidence The document consists of detailed tables listing shareholdings of insiders, including directors, supervisors, general managers, and other key personnel, with specific numbers of shares held, changes in holdings, and related notes. The content focuses on personal share transactions and holdings by company insiders. There is no indication of financial results, audit opinions, meeting presentations, or other report types. The document is a report of personal share transactions by company directors and executives, which matches the definition of Director's Dealing (DIRS).
2017-05-09 Chinese
106年04月董事會成員及持股
Director's Dealing Classification · 95% confidence The document contains detailed tabular data about shareholdings of insiders, including directors, supervisors, and senior management, with specific numbers of shares held, pledged shares, and related information. It is a disclosure of insider shareholdings and their changes, typical of a report on personal share transactions or holdings by company insiders. There is no indication of financial results, earnings, or management discussion. The document is not a report publication announcement or a certification. The content matches the definition of Director's Dealing (DIRS), which reports personal share transactions or holdings by company directors and executives.
2017-05-09 Chinese
106年05月內部人持股轉讓(事前)
Director's Dealing Classification · 100% confidence The document text is a tabular report detailing a transaction involving shares by a company director (董事本人) and includes specifics such as transfer method, number of shares, and transfer period. This matches the description of a Director's Dealing report, which involves personal share transactions by company directors and executives. The document is short and focused solely on insider share transactions, with no indication of broader financial results or other report types.
2017-05-08 Chinese
106年03月內部人持股異動(事後)
Director's Dealing Classification · 95% confidence The document consists of detailed tables listing shareholdings and changes in share ownership by insiders such as directors, supervisors, general managers, and other key personnel. It includes data on shares held at appointment, changes during the month, and current holdings, including trust shares and pledged shares. The content is focused on insider share transactions and holdings, which aligns with the definition of Director's Dealing filings. There is no indication of financial statements, earnings data, or meeting materials, nor is it an announcement of a report publication. Therefore, the document is best classified as a Director's Dealing report.
2017-04-10 Chinese
106年03月董事會成員及持股
Director's Dealing Classification · 95% confidence The document contains detailed tabular data about shareholdings of company insiders, including directors, supervisors, and executives, with specific numbers of shares held, pledged shares, and related percentages. It is a disclosure of insider shareholdings and changes, typical of a report on insider transactions or holdings. There is no indication of financial statements, earnings data, or meeting materials. The document is not a report publication announcement or a certification. It fits the definition of Director's Dealing (DIRS), which covers reports of personal share transactions by company directors and executives (insider trades). The document length is under 5,000 characters, but it contains substantive data on insider holdings, not just an announcement. Therefore, the correct classification is DIRS with high confidence.
2017-04-10 Chinese
公告本公司之子公司資金貸與超限訂定之改善計劃執行情形
Regulatory Filings Classification · 95% confidence The document is a regulatory announcement from a listed company (2340 台亞) regarding the status of a subsidiary's fund lending exceeding limits and the improvement plan execution. It references regulatory guidelines from the Financial Supervisory Commission and details corrective measures and quarterly reporting commitments. The document is short (935 characters) and serves as a compliance update rather than a full financial report or detailed management discussion. It does not contain financial statements or detailed financial analysis. Therefore, it fits best under Regulatory Filings (RNS), which covers miscellaneous regulatory announcements and compliance disclosures that do not fit other specific categories.
2017-04-10 Chinese

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