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TASC — Investor Relations & Filings

Ticker · 2340 ISIN · TW0002340007 TW Manufacturing
Filings indexed 1,915 across all filing types
Latest filing 2025-06-27 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
114年年報及股東會資料 — 2025_2340_20250617F14.pdf
Regulatory Filings Classification · 95% confidence The document is a detailed procedural guideline titled '取得或處分資產處理程序' (Procedures for Acquisition or Disposal of Assets) and includes references to compliance with securities laws, asset types, valuation requirements, internal controls, and reporting obligations to regulatory authorities such as the Financial Supervisory Commission (金管會). It extensively covers processes for asset transactions, related-party transactions, derivative transactions, and merger/acquisition activities, including the need for board and shareholder approvals and disclosure requirements. The document is a comprehensive internal policy or procedural manual rather than a financial report, earnings release, or announcement. It does not contain financial statements or earnings data but rather governance and compliance procedures related to asset transactions and corporate actions. Therefore, it fits best under Regulatory Filings (RNS), which is the fallback category for regulatory compliance documents and procedural disclosures that do not fit other specific categories.
2025-06-27 Chinese
114年年報及股東會資料 — 2025_2340_20250617F05.pdf
Regulatory Filings
2025-06-27 Chinese
114年年報及股東會資料 — 2025_2340_20250617F17.pdf
Major Shareholding Notification Classification · 100% confidence The document lists the top ten shareholders of a company, including their shareholdings and relationships among them. It provides detailed information about share ownership percentages and related parties, which is typical of a Major Shareholding Notification. The document is short (1322 characters) and focuses solely on shareholding details without financial statements or other report content. Therefore, it fits the category of Major Shareholding Notification (MRQ).
2025-06-27 Chinese
114年年報及股東會資料 — 2024_2340_20250617FE4.pdf
Annual Report Classification · 100% confidence The document contains detailed sections typical of a comprehensive yearly corporate report, including a Letter to Shareholders, Corporate Governance Report, Capital Overview, Operational Highlights, Financial Conditions and Risk Management, and Special Disclosures. It includes extensive financial data such as revenue, net loss, earnings per share, sales figures, financial ratios, and detailed business and operational plans for the current and next fiscal year. The presence of audited financial statements and detailed management discussion indicates this is a full annual report. The document length (15,000 characters) and depth of content confirm it is not a brief announcement or a regulatory filing. Therefore, the document is classified as an Annual Report (10-K).
2025-06-27 Chinese
114年年報及股東會資料 — 2024_2340_20250617F04.pdf
Annual Report Classification · 95% confidence The document contains detailed sections including a shareholder report, company governance report, financial performance analysis, capital and shareholding information, and management discussion of business operations and future plans. It includes comprehensive financial data such as revenue, net profit, earnings per share, and detailed operational and strategic information for the fiscal year 2024 and plans for 2025. The presence of detailed financial statements, management analysis, governance information, and operational review indicates this is a full annual report. The document length is substantial (15,000 characters), and it is not merely an announcement or a certification. Therefore, the document fits the definition of an Annual Report (10-K).
2025-06-27 Chinese
114年年報及股東會資料 — 2025_2340_20250617FE2.pdf
AGM Information Classification · 95% confidence The document is titled 'Taiwan-Asia Semiconductor Corporation Handbook for the 2025 General Meeting of Shareholders' and contains detailed agenda items for the 2025 AGM, including business reports, audit committee reports, independent auditors' reports, financial statements for 2024, deficit compensation statements, and proposed resolutions. The content includes comprehensive financial data, business results, and strategic plans, which are typical components of materials provided for an Annual General Meeting. The document is lengthy (15,000 characters) and contains substantive financial and operational information, not just an announcement or a brief summary. Therefore, it is not a simple announcement or proxy solicitation but the actual AGM information and materials shared with shareholders for the meeting. This fits the definition of AGM Information (AGM-R).
2025-06-27 Chinese

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