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 |
|---|---|---|---|
| 109年10月內部人持股異動(事後) | 2020-11-09 | Chinese | |
| 109年10月董事會成員及持股 | 2020-11-09 | Chinese | |
| 公告本公司109年第三季合併財務報告業經提報董事會 | 2020-11-06 | Chinese | |
| 109年第3季海外子公司投資 | 2020-11-06 | Chinese | |
| 公告本公司董事會決議買回庫藏股 | 2020-11-06 | Chinese | |
| 本公司發言人異動 | 2020-11-02 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2020
15 filings
| |||||
| 33653973 | 109年10月內部人持股異動(事後) | 2020-11-09 | Chinese | ||
| 33653970 | 109年10月董事會成員及持股 | 2020-11-09 | Chinese | ||
| 33653976 | 公告本公司109年第三季合併財務報告業經提報董事會 | 2020-11-06 | Chinese | ||
| 33653981 | 109年第3季海外子公司投資 | 2020-11-06 | Chinese | ||
| 33653984 | 公告本公司董事會決議買回庫藏股 | 2020-11-06 | Chinese | ||
| 33653987 | 本公司發言人異動 | 2020-11-02 | Chinese | ||
| 33653991 | 公告本公司向非關係人取得土地 | 2020-10-15 | Chinese | ||
| 33654002 | 109年09月內部人持股異動(事後) | 2020-10-12 | Chinese | ||
| 33653996 | 109年09月董事會成員及持股 | 2020-10-12 | Chinese | ||
| 33654046 | 109年10月法人說明會簡報 — 234020201007E001.pdf | 2020-10-07 | Chinese | ||
| 33654033 | 109年10月法人說明會簡報 — 234020201007M001.pdf | 2020-10-07 | Chinese | ||
| 33654007 | 109年10月法人說明會簡報 | 2020-10-07 | Chinese | ||
| 33654050 | 公告本公司向非關係人取得土地 | 2020-10-05 | Chinese | ||
| 33654052 | 公告本公司法人董事指派代表人 | 2020-10-04 | Chinese | ||
| 33654056 | 本公司舉辦財務業務概況座談會 | 2020-09-21 | 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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