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年第3季財務報告書 — 202501_2340_AI1.pdf | 2025-12-04 | Chinese | |
| 114年11月內部人持股異動(事後) | 2025-12-04 | Chinese | |
| 114年11月董事會成員及持股 | 2025-12-04 | Chinese | |
| 代子公司積亞半導體股份有限公司公告114年現金增資延長 特定人繳款期間 | 2025-11-27 | Chinese | |
| 114年10月背書保證與資金貸與 | 2025-11-10 | Chinese | |
| 114年10月營業收入 | 2025-11-10 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2025
15 filings
| |||||
| 33663749 | 114年第3季財務報告書 — 202501_2340_AI1.pdf | 2025-12-04 | Chinese | ||
| 33656404 | 114年11月內部人持股異動(事後) | 2025-12-04 | Chinese | ||
| 33656402 | 114年11月董事會成員及持股 | 2025-12-04 | Chinese | ||
| 33656407 | 代子公司積亞半導體股份有限公司公告114年現金增資延長 特定人繳款期間 | 2025-11-27 | Chinese | ||
| 33656411 | 114年10月背書保證與資金貸與 | 2025-11-10 | Chinese | ||
| 33656409 | 114年10月營業收入 | 2025-11-10 | Chinese | ||
| 33656419 | 114年第3季權益變動表 | 2025-11-05 | Chinese | ||
| 33656417 | 114年第3季現金流量表 | 2025-11-05 | Chinese | ||
| 33656416 | 114年第3季綜合損益表 | 2025-11-05 | Chinese | ||
| 33656414 | 114年第3季資產負債表 | 2025-11-05 | Chinese | ||
| 33656422 | 依「公開發行公司資金貸與及背書保證處理準則」第二十五條 第一項第四款規定公告 | 2025-11-05 | Chinese | ||
| 33656423 | 公告本公司董事會決議通過114年度第三季合併財務報告 | 2025-11-05 | Chinese | ||
| 33656424 | 公告本公司背書保證超限改善計畫 | 2025-11-05 | Chinese | ||
| 33656426 | 114年10月內部人持股異動(事後) | 2025-11-05 | Chinese | ||
| 33656425 | 114年10月董事會成員及持股 | 2025-11-05 | 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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