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 |
|---|---|---|---|
| 115年年報及股東會資料 — 2026_2340_20260625F01.pdf | 2026-05-21 | Chinese | |
| 115年年報及股東會資料 — 2026_2340_20260625F13.pdf | 2026-05-21 | Chinese | |
| 115年年報及股東會資料 — 2026_2340_20260625FE2.pdf | 2026-05-21 | English | |
| 115年年報及股東會資料 — 2026_2340_20260625F02.pdf | 2026-05-21 | Chinese | |
| 115年年報及股東會資料 — 2026_2340_20260625FE1.pdf | 2026-05-21 | English | |
| 115年4月背書保證與資金貸與 | 2026-05-10 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
15 filings
| |||||
| 46730820 | 115年年報及股東會資料 — 2026_2340_20260625F01.pdf | 2026-05-21 | Chinese | ||
| 46730816 | 115年年報及股東會資料 — 2026_2340_20260625F13.pdf | 2026-05-21 | Chinese | ||
| 46730811 | 115年年報及股東會資料 — 2026_2340_20260625FE2.pdf | 2026-05-21 | English | ||
| 46730805 | 115年年報及股東會資料 — 2026_2340_20260625F02.pdf | 2026-05-21 | Chinese | ||
| 46730799 | 115年年報及股東會資料 — 2026_2340_20260625FE1.pdf | 2026-05-21 | English | ||
| 45449637 | 115年4月背書保證與資金貸與 | 2026-05-10 | Chinese | ||
| 45449618 | 115年4月營業收入 | 2026-05-10 | Chinese | ||
| 38463049 | 公告本公司115年第一季合併財務報告董事會召開日期 | 2026-04-29 | Chinese | ||
| 35209145 | 係因本公司有價證券於集中交易市場達公布注意交易資訊標準, 故公布相關財務業務等重大訊息,以利投資人區別瞭解。 | 2026-04-22 | Chinese | ||
| 34387489 | 114年第4季財務報告書 — 202504_2340_AIC.pdf | 2026-04-13 | Chinese | ||
| 34387477 | 114年第4季財務報告書 — 202504_2340_AIA.pdf | 2026-04-13 | English | ||
| 33795888 | 115年3月背書保證與資金貸與 | 2026-04-08 | Chinese | ||
| 33795884 | 115年3月營業收入 | 2026-04-08 | Chinese | ||
| 33788878 | 115年03月內部人持股異動(事後) | 2026-04-08 | Chinese | ||
| 33788872 | 115年03月董事會成員及持股 | 2026-04-08 | 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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