Skip to main content
TASC logo

TASC — Investor Relations & Filings

Ticker · 2340 ISIN · TW0002340007 TW Manufacturing
Filings indexed 1,915 across all filing types
Latest filing 2021-10-21 Board/Management Inform…
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
公告本公司策略長異動
Board/Management Information Classification · 100% confidence The document is a short announcement (723 characters) about a change in a company's senior management position, specifically the Chief Strategy Officer (策略長). It details the old and new appointees, the effective date, and the reason for the change. There is no financial data, no mention of a report or financial results, and it is clearly about management personnel changes. According to the filing definitions, this fits the category 'Board/Management Information (MANG)' which covers announcements of changes in the company's board of directors or senior management.
2021-10-21 Chinese
公告本公司執行長異動
Board/Management Information Classification · 100% confidence The document is a short announcement (724 characters) about a change in the company's CEO (executive management). It specifies the old and new CEO names, the date of change, and the reason (board resolution). There is no financial data or report content, only management change information. According to the definitions, this fits the category 'Board/Management Information (MANG)' which covers announcements of changes in senior management. The document is not a full report, nor an announcement of a report publication, so it is not RPA or RNS. Therefore, the correct classification is MANG with high confidence.
2021-10-21 Chinese
公告本公司董事會選任副董事長
Board/Management Information Classification · 100% confidence The document is a formal announcement regarding a change in the company's board of directors, specifically the appointment of a new Vice Chairman. It includes details such as the date of the board resolution, names and resumes of the outgoing and incoming individuals, and the reason for the change. There is no financial data, report, or presentation content. This fits the definition of 'Board/Management Information' (MANG), which covers announcements of changes in the company's board or senior management.
2021-10-21 Chinese
公告本公司董事會選任董事長
Board/Management Information Classification · 100% confidence The document is a formal announcement regarding the appointment of a new chairman of the board. It includes details such as the date of the board resolution, the name of the outgoing and incoming chairman, and the reason for the change. There is no financial data, report, or presentation content. This fits the category of Board/Management Information, which covers announcements of changes in the company's board of directors or senior management.
2021-10-21 Chinese
公告本公司薪資報酬委員會委員異動
Board/Management Information Classification · 100% confidence The document is a company announcement regarding changes in the members of the company's Compensation Committee, including names, titles, and reasons for the changes. It does not contain financial data, audit information, or report content. It is an announcement about management/board changes, specifically committee member changes. Therefore, it fits the category of Board/Management Information (MANG). The document length is short and focused on personnel changes, confirming this classification.
2021-10-21 Chinese
公告本公司審計委員會委員異動
Board/Management Information Classification · 95% confidence The document is a company announcement regarding changes in the Audit Committee members, including names, titles, and reasons for the changes. It does not contain financial data, audit results, or detailed reports. The content fits the category of Board/Management Information, as it announces changes in company board or committee members. The document length is short and focused solely on personnel changes, not on audit reports or financial statements.
2021-10-21 Chinese

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.