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年度存貨週轉率 | 2026-02-26 | Chinese | |
| 114年度毛利率 | 2026-02-26 | Chinese | |
| 代子公司積亞半導體股份有限公司公告董事會決議 115年股東常會相關事宜 | 2026-02-25 | Chinese | |
| 公告本公司114年度財務報告董事會預計 召開日期為115年02月26日 | 2026-02-13 | Chinese | |
| 公告本公司取得機器設備一批 | 2026-02-12 | Chinese | |
| 115年1月背書保證與資金貸與 | 2026-02-10 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
15 filings
| |||||
| 33656684 | 114年度存貨週轉率 | 2026-02-26 | Chinese | ||
| 33656681 | 114年度毛利率 | 2026-02-26 | Chinese | ||
| 33656703 | 代子公司積亞半導體股份有限公司公告董事會決議 115年股東常會相關事宜 | 2026-02-25 | Chinese | ||
| 33656705 | 公告本公司114年度財務報告董事會預計 召開日期為115年02月26日 | 2026-02-13 | Chinese | ||
| 33656706 | 公告本公司取得機器設備一批 | 2026-02-12 | Chinese | ||
| 33656711 | 115年1月背書保證與資金貸與 | 2026-02-10 | Chinese | ||
| 33656709 | 115年1月營業收入 | 2026-02-10 | Chinese | ||
| 33656714 | 代子公司積亞半導體股份有限公司公告 董事會通過經理人之競業許可案 | 2026-02-04 | Chinese | ||
| 33656715 | 代子公司積亞半導體股份有限公司公告 新任副總經理 | 2026-02-04 | Chinese | ||
| 33656721 | 115年01月內部人持股異動(事後) | 2026-02-03 | Chinese | ||
| 33656719 | 115年01月董事會成員及持股 | 2026-02-03 | Chinese | ||
| 33656723 | 代子公司積亞半導體股份有限公司公告 董事會決議修正114年度現金增資發行股數 | 2026-01-30 | Chinese | ||
| 33656725 | 功能性委員會成員 | 2026-01-08 | Chinese | ||
| 33656730 | 114年12月背書保證與資金貸與 | 2026-01-06 | Chinese | ||
| 33656728 | 114年12月營業收入 | 2026-01-06 | 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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