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 |
|---|---|---|---|
| 公告本公司分割計畫簽訂案 | 2021-09-23 | Chinese | |
| 澄清媒體報導 | 2021-09-14 | Chinese | |
| 110年9月變更登記 | 2021-09-13 | Chinese | |
| 110年09月僑外投資持股 | 2021-09-13 | Chinese | |
| 110年08月內部人持股異動(事後) | 2021-09-08 | Chinese | |
| 110年08月董事會成員及持股 | 2021-09-08 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2021
15 filings
| |||||
| 33654735 | 公告本公司分割計畫簽訂案 | 2021-09-23 | Chinese | ||
| 33654737 | 澄清媒體報導 | 2021-09-14 | Chinese | ||
| 33654738 | 110年9月變更登記 | 2021-09-13 | Chinese | ||
| 33654741 | 110年09月僑外投資持股 | 2021-09-13 | Chinese | ||
| 33654746 | 110年08月內部人持股異動(事後) | 2021-09-08 | Chinese | ||
| 33654743 | 110年08月董事會成員及持股 | 2021-09-08 | Chinese | ||
| 33654752 | 110年8月營業收入 | 2021-09-01 | Chinese | ||
| 33654748 | 110年8月背書保證與資金貸與 | 2021-09-01 | Chinese | ||
| 33654755 | 公告本公司營運長異動 | 2021-09-01 | Chinese | ||
| 33654757 | 公告董事會決議110年第一次股東臨時會相關事宜 | 2021-09-01 | Chinese | ||
| 33654761 | 本公司董事會通過將系統事業群分割予新設後 100%持股之既存子公司 | 2021-09-01 | Chinese | ||
| 33654791 | 110年08月法人說明會簡報 — 234020210831E001.pdf | 2021-08-31 | Chinese | ||
| 33654783 | 110年08月法人說明會簡報 — 234020210831M001.pdf | 2021-08-31 | Chinese | ||
| 33654763 | 110年08月法人說明會簡報 | 2021-08-31 | Chinese | ||
| 33654799 | 公告本公司董事長訂定私募普通股增資基準日 | 2021-08-24 | 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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