Skip to main content
TASC logo

TASC — Investor Relations & Filings

Ticker · 2340 ISIN · TW0002340007 TW Manufacturing
Open in API
Filings indexed 1,920 across all filing types
Latest filing 2013-04-10 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
102年3月背書保證與資金貸與
Regulatory Filings Classification · 90% confidence The document contains financial data related to loan balances, endorsements, and guarantees for the company and its subsidiaries, with specific monthly and cumulative amounts. It is a detailed financial disclosure but does not appear to be a full annual or interim report. The document length is short (636 characters), and it provides specific financial figures rather than just announcing or linking to a report. The content is consistent with a regulatory disclosure of financial guarantees and related party transactions, which typically falls under Regulatory Filings (RNS) as it does not fit other specific categories like Annual Report, Interim Report, or Capital Update. There is no indication of management changes, voting results, or legal proceedings. Therefore, the best classification is Regulatory Filings (RNS).
2013-04-10 Chinese
102年03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, supervisors, general managers, and other executives. It shows the number of shares held, changes in holdings, and related information for various insiders and their related parties. 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 that this is a full financial report, earnings release, or other types of filings. The document is not an announcement of a report but the actual disclosure of insider shareholdings and transactions. Therefore, the appropriate classification is Director's Dealing (DIRS).
2013-04-08 Chinese
102年03月董事會成員及持股
Director's Dealing Classification · 95% confidence The document contains detailed tables listing shareholdings and pledged shares of company insiders, including directors, supervisors, and senior management. It provides specific data on share counts, pledged shares, and related parties' holdings. The content is focused on insider shareholdings and pledges rather than financial results, management changes, or meeting materials. There is no indication of a report or announcement of voting results, dividends, or capital changes. The document is a regulatory disclosure of insider shareholdings and pledges, which aligns with the category of Director's Dealing (DIRS), as it reports personal share transactions or holdings by company directors and executives. The document length is 3051 characters, which is consistent with a detailed insider shareholding disclosure rather than a full report or announcement. Therefore, the most appropriate classification is DIRS with high confidence.
2013-04-08 Chinese
101年第4季財務報告書 — 201204_2340_A02.pdf
Annual Report Classification · 100% confidence The document is a consolidated financial report for 光磊科技股份有限公司及子公司 covering fiscal years 民國101 and 100 (equivalent to 2012 and 2011). It includes detailed financial statements such as the consolidated balance sheet, income statement, statement of changes in equity, and cash flow statement. It also contains an auditor's report (會計師查核報告) from 資誠聯合會計師事務所 dated 民國102年3月25日 (March 25, 2013). The presence of the auditor's report alongside the full set of consolidated financial statements indicates this is a full annual report. The document length is about 15,000 characters, which is consistent with a full report rather than a brief announcement or certification. Therefore, this document fits the definition of an Annual Report (10-K). FY 2012
2013-03-28 Chinese
101年第4季財務報告書 — 201204_2340_A01.pdf
Annual Report Classification · 100% confidence The document is a comprehensive financial report for 光磊科技股份有限公司 covering 民國101年度及100年度 (equivalent to 2012 and 2011). It includes detailed financial statements such as the balance sheet, income statement, statement of changes in equity, cash flow statement, and extensive notes on accounting policies and other disclosures. It also contains an auditor's report with an unqualified opinion. The length is about 15,000 characters, indicating a full report rather than a brief announcement. The presence of full financial data and auditor's report confirms this is the official annual financial report. Therefore, this document fits the definition of an Annual Report (10-K). FY 2012
2013-03-28 Chinese
101年第4季財務報告書 — 201203_2340_A02.pdf
Interim / Quarterly Report Classification · 95% confidence The document is a consolidated financial report for 光磊科技股份有限公司及子公司 covering the first three quarters of 民國101 (2012) and 民國100 (2011). It includes detailed financial statements such as the consolidated balance sheet, income statement, cash flow statement, and notes to the financial statements. It also contains an auditor's review report (會計師核閱報告) indicating that the financial statements have been reviewed but not audited according to generally accepted auditing standards. The presence of detailed financial data, accounting policies, and auditor's review confirms this is a financial report for an interim period shorter than a full fiscal year. The document is not merely an announcement or a certification but contains substantive financial data and analysis. Therefore, it fits the definition of an Interim / Quarterly Report (IR). 9M 2012
2013-03-28 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.