TASC — Investor Relations & Filings
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01月董事會成員及持股 | 2025-02-17 | Chinese | |
| 114年1月背書保證與資金貸與 | 2025-02-10 | Chinese | |
| 114年1月營業收入 | 2025-02-10 | Chinese | |
| 代子公司積亞半導體股份有限公司公告 113年度現金增資案延長特定人繳款期間。 | 2025-01-14 | Chinese | |
| 113年12月背書保證與資金貸與 | 2025-01-10 | Chinese | |
| 113年12月營業收入 | 2025-01-10 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2025
10 filings
| |||||
| 33656638 | 114年01月董事會成員及持股 | 2025-02-17 | Chinese | ||
| 33656644 | 114年1月背書保證與資金貸與 | 2025-02-10 | Chinese | ||
| 33656641 | 114年1月營業收入 | 2025-02-10 | Chinese | ||
| 33656646 | 代子公司積亞半導體股份有限公司公告 113年度現金增資案延長特定人繳款期間。 | 2025-01-14 | Chinese | ||
| 33656651 | 113年12月背書保證與資金貸與 | 2025-01-10 | Chinese | ||
| 33656649 | 113年12月營業收入 | 2025-01-10 | Chinese | ||
| 33656653 | 本公司董事會決議通過114年資本支出案 | 2025-01-03 | Chinese | ||
| 33656656 | 113年12月內部人持股異動(事後) | 2025-01-03 | Chinese | ||
| 33656654 | 113年12月董事會成員及持股 | 2025-01-03 | Chinese | ||
| 33656657 | 代子公司-積亞半導體股份有限公司公告113年 現金增資催繳股款相關事宜 | 2025-01-02 | Chinese | ||
|
2024
5 filings
| |||||
| 33655951 | 代子公司積亞半導體股份有限公司公告 董事會決議通過114年資本支出案 | 2024-12-27 | Chinese | ||
| 33655954 | 代子公司積亞半導體(股)公司公告累積取得機器設備一批 | 2024-12-25 | Chinese | ||
| 33655957 | 本公司股東參與子公司積亞半導體股份有限公司現金增資 之相關說明 | 2024-12-19 | Chinese | ||
| 33655960 | 公告本公司對子公司積亞半導體股份有限公司持股累積 降低達百分之十以上 | 2024-12-19 | Chinese | ||
| 33655963 | 本公司董事會決議對子公司-冠亞半導體股份有限公司現金增資 | 2024-12-19 | Chinese | ||
Market data
Market data not available
Price history
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TASC via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/52015/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=52015 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=52015 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=52015 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 52015}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for TASC (id: 52015)"
Report missing filing
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