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FST — Investor Relations & Filings

Ticker · 3532 ISIN · TW0003532008 TW Manufacturing
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Filings indexed 1,556 across all filing types
Latest filing 2015-08-06 Regulatory Filings
Country TW Taiwan
Listing TW 3532

About FST

www.fstech.com.tw

Formosa Sumco Technology Corporation (FST) is a joint venture established in 1995 between the Formosa Plastics Group and Japan's SUMCO Corporation. The company specializes in the production and manufacturing of high-quality 8-inch and 12-inch silicon wafers, which serve as essential substrates for integrated circuits and electronic components. FST leverages advanced manufacturing technologies and rigorous quality management systems to provide high-purity silicon materials to global semiconductor manufacturers. The company is recognized for its operational excellence and commitment to environmental, social, and governance (ESG) standards, consistently achieving high ratings in sustainability assessments such as the CDP "A" list and inclusion in major sustainability indices. By combining the industrial resources and technical expertise of its parent organizations, FST maintains a leading position in the supply of critical semiconductor materials.

Recent filings

Filing Released Lang Actions
104年7月背書保證與資金貸與
Regulatory Filings Classification · 95% confidence The document is a financial disclosure from a listed company (台勝科) providing information about fund lending balances and endorsement guarantees for a specific month (July 2015). The content is tabular and quantitative but very brief (618 characters), focusing on specific financial data related to loans and guarantees rather than comprehensive financial statements or management discussion. It does not contain full financial reports or detailed analysis, nor does it announce or reference a report publication. Given the nature and brevity, it fits best as a Regulatory Filing (RNS), which covers miscellaneous regulatory announcements and compliance disclosures that do not fit other categories.
2015-08-06 Chinese
代子公司日本台塑勝高株式會社公告取得資產
Regulatory Filings Classification · 95% confidence The document is a regulatory announcement from a listed company (台勝科) disclosing a related-party transaction involving the acquisition of assets by its subsidiary. It details the nature of the transaction, parties involved, transaction amount, decision process, and board approval date. The document is short (1559 characters) and structured as a formal disclosure rather than a financial report or detailed analysis. It does not contain financial statements, earnings data, or management discussion. It fits the category of a Regulatory Filing (RNS) as it is a compliance disclosure about a material transaction, not a full report or announcement of a report publication.
2015-07-24 Chinese
104年6月背書保證與資金貸與
Regulatory Filings Classification · 95% confidence The document is a financial disclosure from a listed company (台勝科) providing data on fund lending balances and endorsement guarantees for a specific month (June 2015, 民國104年06月). The content is tabular and quantitative but very brief (618 characters), focusing on financial data related to capital loans and guarantees. It does not contain comprehensive financial statements or detailed analysis typical of an Interim/Quarterly Report (IR) or Annual Report (10-K). It also does not announce a report publication or voting results, nor does it discuss management changes or legal matters. Given the nature of the data and the brevity, this fits best as a Regulatory Filing (RNS), which covers general regulatory announcements and compliance documents that do not fit other categories.
2015-07-06 Chinese
104年6月營業收入
Fund Information / Factsheet Classification · 90% confidence The document is a summary report of monthly and cumulative net operating revenue figures for a company named 台勝科, with data for June 2015 (民國104年06月). It includes percentage changes compared to the previous year and explanatory notes about accounting standards (IFRS) and reporting practices. The document is short (773 characters) and primarily presents financial summary data without detailed financial statements or management discussion. It does not appear to be a full annual or interim report, nor an earnings release with key highlights. It is more of a brief financial summary or factsheet. Given the concise nature and summary format, the best fitting category is Fund Information / Factsheet (FS).
2015-07-06 Chinese
104年06月內部人持股異動(事後)
Director's Dealing Classification · 95% confidence The document consists of detailed tables listing shareholdings of insiders, including directors, supervisors, and senior management, with specific share counts and changes. It includes information about identities, share types, and notes on roles. There is no indication of financial statements, earnings data, or report publication announcements. The content is focused on insider shareholdings and transactions by company directors and executives. This matches the definition of Director's Dealing (DIRS), which covers reports of personal share transactions by company directors and executives (insider trades). The document length is sufficient and the content is substantive insider shareholding data, not a mere announcement or certification. Therefore, the appropriate classification is DIRS with high confidence.
2015-07-01 Chinese
104年06月董事會成員及持股
Director's Dealing Classification · 95% confidence The document is a detailed tabulation of shareholdings by insiders and related parties, including directors, supervisors, and management, with specific numbers of shares held, pledged shares, and related notes. It lists individual names, titles, and shareholding details, which is characteristic of a Director's Dealing or insider shareholding disclosure. There is no indication of financial statements, earnings data, or report announcements. The document length is about 3,077 characters, which is relatively short but contains detailed insider shareholding data. This matches the definition of Director's Dealing (DIRS) filings, which report personal share transactions or holdings by company directors and executives. Therefore, the appropriate classification is DIRS.
2015-07-01 Chinese

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