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 | ||
| 46994221 | 公告董事會決議115年股東常會相關事宜(增列議案) (配合電子投票調整案由說明) | 2026-05-08 | Chinese | ||
| 46994353 | 115年第1季財務報告書 — 202601_2340_AI1.pdf | 2026-05-08 | Chinese | ||
| 46994232 | 本公司董事會決議不分派股利 | 2026-05-07 | Chinese | ||
| 46994242 | 公告本公司新增資金貸與子公司-冠亞半導體 股份有限公司相關事宜 | 2026-05-07 | Chinese | ||
| 46994251 | 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 第一項第三款規定公告 | 2026-05-07 | Chinese | ||
| 46994259 | 公告董事會決議115年股東常會相關事宜(增列議案) | 2026-05-07 | Chinese | ||
| 46994272 | 公告本公司115年第一季背書保證改善計畫執行情形 | 2026-05-07 | Chinese | ||
| 46994280 | 公告本公司董事會決議通過115年度第一季合併財務報告 | 2026-05-07 | Chinese | ||
Market data
Market data not available
Price history
Peer group · Manufacture of other electronic components and boards
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Guizhou Space Appliance Co., Ltd.
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GUIZHOU ZHENHUA FENGGUANG SEMICONDUCTOR CO., LTD.
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Gujarat Poly Electronics Limited
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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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