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 |
|---|---|---|---|
| 106年8月背書保證與資金貸與 | 2017-09-07 | Chinese | |
| 106年8月變更登記 | 2017-08-24 | Chinese | |
| 公告本公司辦理現金減資完成實收資本額變更登記 | 2017-08-24 | Chinese | |
| 106年08月法人說明會簡報 — 234020170824E001.pdf | 2017-08-24 | Chinese | |
| 106年08月法人說明會簡報 — 234020170824M001.pdf | 2017-08-24 | Chinese | |
| 106年08月法人說明會簡報 | 2017-08-24 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2017
15 filings
| |||||
| 33652472 | 106年8月背書保證與資金貸與 | 2017-09-07 | Chinese | ||
| 33652479 | 106年8月變更登記 | 2017-08-24 | Chinese | ||
| 33652486 | 公告本公司辦理現金減資完成實收資本額變更登記 | 2017-08-24 | Chinese | ||
| 33652600 | 106年08月法人說明會簡報 — 234020170824E001.pdf | 2017-08-24 | Chinese | ||
| 33652513 | 106年08月法人說明會簡報 — 234020170824M001.pdf | 2017-08-24 | Chinese | ||
| 33652489 | 106年08月法人說明會簡報 | 2017-08-24 | Chinese | ||
| 33652605 | 106年7月變更登記 | 2017-08-22 | Chinese | ||
| 33652614 | 106年第2季海外子公司投資 | 2017-08-14 | Chinese | ||
| 33652635 | 106年第2季現金流量表 | 2017-08-14 | Chinese | ||
| 33652630 | 106年第2季綜合損益表 | 2017-08-14 | Chinese | ||
| 33652625 | 106年第2季資產負債表 | 2017-08-14 | Chinese | ||
| 33652619 | 106年第2季權益變動表 | 2017-08-14 | Chinese | ||
| 33652639 | 員工認股權憑證 | 2017-08-14 | Chinese | ||
| 33652642 | 公告本公司董事會訂定減資基準日、換股作業計劃及 減資換發股票基準日等相關事宜 | 2017-08-14 | Chinese | ||
| 33652645 | 公告本公司之境外子公司Opto Technology International Group Co.,LTD、Opto Tech (Cayman) Co.,LTD、 Source Ever Limited辦理解散、清算事宜 | 2017-08-14 | 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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