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TASC — Investor Relations & Filings

Ticker · 2340 ISIN · TW0002340007 TW Manufacturing
Filings indexed 1,920 across all filing types
Latest filing 2016-06-08 Regulatory Filings
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
105年5月背書保證與資金貸與
Regulatory Filings Classification · 95% confidence The document is a financial disclosure from a listed company (台亞) providing detailed figures on fund loans, endorsements, and guarantees for the current and previous months, including maximum limits. The data is presented in a tabular format with monetary amounts in thousands of New Taiwan Dollars. The content focuses on financial exposure and guarantees rather than a full financial report or earnings summary. The document length is short (646 characters), and it does not indicate it is an announcement of a report publication or a certification. It is a regulatory disclosure of financial information related to guarantees and loans, which does not fit into categories like Annual Report, Interim Report, or Earnings Release. It is best classified under Regulatory Filings (RNS) as a general regulatory announcement that does not fit other specific categories.
2016-06-08 Chinese
105年5月營業收入
Fund Information / Factsheet Classification · 90% confidence The document is a summary report of monthly and cumulative net operating revenue figures for a company named 台亞, with data presented in a tabular format and explanatory notes about accounting standards and reporting practices. It does not contain a full financial report or detailed analysis, nor does it announce or attach a report. The document length is short (772 characters), and it primarily provides financial summary data for a specific month and year (May 2016, 民國105年05月). This type of document aligns best with a Fund Information / Factsheet (FS) category, which is a brief summary of key company financials and market info. It is not an Annual Report, Interim Report, or Earnings Release because it lacks comprehensive financial statements or management discussion. It is not a Regulatory Filing or Report Publication Announcement because it is not an announcement or certification but actual summarized financial data. Therefore, the classification is FS with high confidence.
2016-06-08 Chinese
105年05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 insiders, including directors, supervisors, general managers, deputy general managers, and other executives. It shows the number of shares held, changes in holdings, and related information for various insiders and their family members. The content is focused on insider share transactions and holdings rather than financial results, management changes, or other corporate events. There is no indication of a full financial report, earnings release, or meeting materials. The document is not a brief announcement but a detailed disclosure of insider shareholdings. This matches 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 sufficient and contains substantive data on insider holdings and changes. Therefore, the appropriate classification is DIRS with high confidence.
2016-06-07 Chinese
105年05月董事會成員及持股
Director's Dealing Classification · 95% confidence The document contains detailed tables listing shareholdings of company insiders, including directors, supervisors, and senior management, with specific numbers of shares held, pledged shares, and related information. The content focuses on insider shareholdings and changes, which aligns with reporting of personal share transactions or holdings by company directors and executives. There is no indication of financial statements, earnings data, or meeting materials. The document is not a report publication announcement or a certification. Therefore, the document fits best into the category of Director's Dealing (DIRS). The document length is under 5,000 characters but contains detailed insider shareholding data, not just an announcement or link to a report, so it is not RPA or RNS.
2016-06-07 Chinese
公告本公司會計主管異動資訊
Board/Management Information Classification · 100% confidence The document is a short announcement (757 characters) about a change in the company's accounting supervisor, including details of the old and new personnel and the effective date. It does not contain financial data or report content but is an announcement of a management change. This fits the category of Board/Management Information (MANG).
2016-05-18 Chinese
公告本公司財務主管異動資訊
Board/Management Information Classification · 100% confidence The document is a short announcement (757 characters) about a change in the company's financial officer, specifically a personnel change in the financial management position. It includes details such as the old and new person's names, titles, and the effective date of the change. There is no financial data, no report attached or referenced, and it is clearly about management information. According to the filing definitions, announcements of changes in senior management or board members fall under Board/Management Information (MANG). The document is not a report or a regulatory filing but a direct announcement of management change.
2016-05-18 Chinese

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