Skip to main content
TASC logo

TASC — Investor Relations & Filings

Ticker · 2340 ISIN · TW0002340007 TW Manufacturing
Open in API
Filings indexed 1,919 across all filing types
Latest filing 2019-09-09 Regulatory Filings
Country TW Taiwan
Listing TW 2340

About TASC

https://www.tascsemi.com/

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
108年8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 details on fund lending balances and endorsement guarantees for the current and previous months, including limits and cumulative amounts. The content is a regulatory financial update but does not contain comprehensive financial statements or detailed analysis typical of annual or interim reports. The document length is short (638 characters) and it primarily reports specific financial data related to guarantees and lending balances. This type of disclosure fits best under Regulatory Filings (RNS), as it is a general regulatory announcement without the depth of a full financial report or audit.
2019-09-09 Chinese
108年8月營業收入
Interim / Quarterly Report Classification · 85% confidence The document is a summary report of monthly and cumulative net operating revenue figures for a company named 台亞, with data for August 2019 (民國108年08月). It includes financial figures and percentage changes compared to the previous year, along with explanatory notes about accounting standards and reporting practices. The document is short (773 characters) and appears to be a periodic financial summary rather than a full financial report. It does not contain comprehensive financial statements or detailed analysis typical of an Interim/Quarterly Report (IR) or Annual Report (10-K). It also does not fit other categories like Earnings Release or Investor Presentation. Given the nature of the data and the format, this is best classified as an Interim / Quarterly Report (IR), as it provides substantive financial data for a period shorter than a full fiscal year. Q3 2019
2019-09-09 Chinese
108年08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, senior management, and their related parties. It shows the number of shares held, changes in holdings, and classifications of shares. There is no indication of financial statements, earnings data, or management discussion. The content is focused on insider share transactions and holdings disclosures. This matches the definition of Director's Dealing (DIRS), which reports personal share transactions by company directors and executives (insider trades). The document length is sufficient and the content is consistent with insider shareholding disclosures rather than a general regulatory filing or announcement.
2019-09-04 Chinese
108年08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 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 by company directors and executives. There is no indication of financial results, meeting materials, or other report types. The document length is about 3,089 characters, which is sufficient for a detailed insider shareholding report. Therefore, the document fits best under the category of Director's Dealing (DIRS).
2019-09-04 Chinese
108年07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 company insiders, including directors, senior management, 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).
2019-08-08 Chinese
108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 not a report or announcement of a report, nor is it a general regulatory filing or a voting result. It specifically lists insider shareholdings and related data, which aligns with the category of Director's Dealing filings.
2019-08-08 Chinese

Browse filings by year

14 years

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.