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 |
|---|---|---|---|
| 112年年報及股東會資料 — 2023_2340_20230620F13.pdf | 2023-07-04 | Chinese | |
| 112年年報及股東會資料 — 2023_2340_20230620FE2.pdf | 2023-07-04 | Chinese | |
| 112年年報及股東會資料 — 2023_2340_20230620F02.pdf | 2023-07-04 | Chinese | |
| 112年年報及股東會資料 — 2023_2340_20230620FE1.pdf | 2023-07-04 | Chinese | |
| 112年年報及股東會資料 — 2023_2340_20230620F01.pdf | 2023-07-04 | Chinese | |
| 公告本公司董事長決定除息基準日等相關事宜 | 2023-07-03 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2023
15 filings
| |||||
| 33663184 | 112年年報及股東會資料 — 2023_2340_20230620F13.pdf | 2023-07-04 | Chinese | ||
| 33663152 | 112年年報及股東會資料 — 2023_2340_20230620FE2.pdf | 2023-07-04 | Chinese | ||
| 33663116 | 112年年報及股東會資料 — 2023_2340_20230620F02.pdf | 2023-07-04 | Chinese | ||
| 33663081 | 112年年報及股東會資料 — 2023_2340_20230620FE1.pdf | 2023-07-04 | Chinese | ||
| 33663073 | 112年年報及股東會資料 — 2023_2340_20230620F01.pdf | 2023-07-04 | Chinese | ||
| 33655781 | 公告本公司董事長決定除息基準日等相關事宜 | 2023-07-03 | Chinese | ||
| 33655783 | 111年企業ESG資訊揭露 | 2023-06-30 | Chinese | ||
| 33655786 | 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。 | 2023-06-27 | Chinese | ||
| 33655789 | 澄清媒體報導 | 2023-06-21 | Chinese | ||
| 33655790 | 公告本公司112年股東常會決議事項 | 2023-06-20 | Chinese | ||
| 33655793 | 公開發行公司資金貸與及背書保證處理準則第二十二條 第一項第三款之規定辦理公告(原額度到期續約) | 2023-06-14 | Chinese | ||
| 33655795 | 代光磊先進顯示科技(股)公司公告向關係人取得不動產使用權資產 | 2023-06-14 | Chinese | ||
| 33655803 | 112年05月內部人持股異動(事後) | 2023-06-06 | Chinese | ||
| 33655800 | 112年05月董事會成員及持股 | 2023-06-06 | Chinese | ||
| 33655808 | 112年5月背書保證與資金貸與 | 2023-06-05 | Chinese | ||
Market data
Market data not available
Price history
Peer group · Manufacture of other electronic components and boards
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
3ALogics. Inc.
Designs and develops NFC and RFID System-on-Chips (SoCs) fo…
|
177900 | KR | Manufacturing |
|
3peak Incorporated
Designs analog and mixed-signal ICs for signal chain and po…
|
688536 | CN | Manufacturing |
|
4DS MEMORY LIMITED
Develops Interface Switching ReRAM for high-density Storage…
|
4DS | AU | Manufacturing |
|
AAC Technologies Holdings Inc.
Global provider of sensory solutions and miniaturized compo…
|
2018 | KY | Manufacturing |
|
ABCO ELECTRONICS CO., LTD.
Manufacturer of passive electronic components like inductor…
|
036010 | KR | Manufacturing |
|
ABOV Semiconductor Co.,Ltd.
Designs and manufactures MCUs, touch sensors, and non-volat…
|
102120 | KR | Manufacturing |
|
Acbel
Designs and manufactures switching power supplies for 5G, m…
|
6282 | TW | Manufacturing |
|
Accelink Technologies Co., Ltd.
Produces optoelectronic components and modules for telecom …
|
002281 | CN | Manufacturing |
|
ACES
Global provider of high-precision electronic components and…
|
3605 | TW | Manufacturing |
|
ACTIONS TECHNOLOGY CO., LTD.
Designs low-power wireless and multimedia SoCs for audio an…
|
688049 | CN | Manufacturing |
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
Can't find a specific document? Let us know and we'll add it within 24 hours.