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TASC — Investor Relations & Filings

Ticker · 2340 ISIN · TW0002340007 TW Manufacturing
Filings indexed 1,920 across all filing types
Latest filing 2018-09-10 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
107年08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 and executives, with specific numbers of shares held, pledged shares, and related percentages. It is a disclosure of insider shareholdings and changes, typical of insider trading or director dealings reports. There is no indication of financial statements, earnings data, or meeting materials. The document length is about 3,089 characters, which is relatively short and focused on insider shareholding data. Therefore, this document fits the category of Director's Dealing (DIRS), which covers reports of personal share transactions by company directors and executives.
2018-09-10 Chinese
107年8月背書保證與資金貸與
Regulatory Filings Classification · 90% confidence The document is a financial disclosure from a listed company (台亞) providing detailed figures on fund loans, endorsements, and guarantees for a specific month (August of the 107th year in the ROC calendar, which corresponds to 2018). The content is numerical and relates to financial status updates rather than a full financial report or announcement of a report. The document length is short (640 characters), but it contains substantive financial data about loans and guarantees, not just a notice or certification. This fits the profile of a Regulatory Filing (RNS) as it is a general regulatory announcement with financial data that does not constitute a full annual or interim report, nor is it a specific category like earnings release or capital update. It is not a report publication announcement since it contains actual data, but it is not comprehensive enough to be an annual or interim report. Therefore, the best classification is Regulatory Filings (RNS).
2018-09-07 Chinese
107年8月營業收入
Regulatory Filings Classification · 95% confidence The document is a summary report of monthly and cumulative net operating revenue figures for a company named 台亞, with data presented for August 2018 (民國107年08月). It includes percentage changes compared to the previous year and explanatory notes about accounting standards and reporting practices. The document is short (775 characters) and primarily provides financial summary data without detailed financial statements or management discussion. It does not appear to be a full annual or interim report, nor an earnings release or investor presentation. It is a regulatory disclosure of financial summary data, typical of a Regulatory Filing (RNS) in the context of Taiwanese public company disclosures. Therefore, the best classification is Regulatory Filings (RNS).
2018-09-07 Chinese
107年07月內部人持股異動(事後)
Director's Dealing Classification · 95% confidence The document consists of detailed tables listing shareholdings of company insiders, including directors, managers, and their related parties. It shows the number of shares held, changes in holdings, and classifications of shares. This type of document is typical of a Director's Dealing report, which discloses personal share transactions by company directors and executives. There is no indication of financial statements, earnings data, or meeting materials. The document is not an announcement of voting results or a general regulatory filing but specifically focuses on insider shareholdings and transactions. Therefore, the appropriate classification is Director's Dealing (DIRS).
2018-08-09 Chinese
107年07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 and senior management, with specific numbers of shares held, pledged shares, and related percentages. It is a disclosure of insider shareholdings and changes, typical of a Director's Dealing or insider shareholding notification. The document is relatively short (3086 characters) and does not contain financial statements or management discussion. It is not an announcement of a report but a direct disclosure of insider shareholdings. Therefore, the most appropriate classification is Director's Dealing (DIRS).
2018-08-09 Chinese
107年7月營業收入
Regulatory Filings Classification · 95% confidence The document is a summary revenue report from a listed company (台亞) showing monthly and cumulative net operating revenue figures for a specific month and year (民國107年07月, which corresponds to July 2018). It includes percentage changes compared to the previous year and explanatory notes about accounting standards and reporting requirements. The document is very short (773 characters) and contains only summarized financial data without detailed financial statements or management discussion. It does not appear to be a full financial report like an Annual Report (10-K) or Interim Report (IR). It is also not an announcement of a meeting, voting results, or other corporate actions. Given the nature of the data and the short length, this document fits best as a Regulatory Filing (RNS), which is a general category for regulatory announcements and compliance documents that do not fit other specific categories.
2018-08-09 Chinese

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