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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 2017-09-11 Director's Dealing
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
106年09月內部人持股未轉讓(事前)
Director's Dealing Classification · 95% confidence The document is a short tabular report showing insider shareholding details, specifically a report of shares held and shares intended to be transferred by a company director or executive. It includes data such as company code, name, insider identity, share counts, and reasons for not transferring shares. The document length is only 433 characters, indicating it is a brief notification rather than a full report. This matches the definition of Director's Dealing (DIRS), which covers personal share transactions by company directors and executives. There is no indication of other report types such as financial results, management changes, or regulatory filings. Therefore, the document is classified as DIRS with high confidence.
2017-09-11 Chinese
106年09月內部人持股轉讓(事前)
Director's Dealing Classification · 100% confidence The document contains detailed tabular data about share transactions by an insider (監察人本人, meaning 'insider' or 'supervisor') including dates, share quantities, transfer methods, and holdings before and after transfer. This matches the description of a Director's Dealing report, which reports personal share transactions by company directors and executives. The document is not an announcement of a report, nor a general regulatory filing, but a direct report of insider share transactions.
2017-09-11 Chinese
106年08月內部人持股異動(事後)
Director's Dealing Classification · 100% confidence The document consists of detailed tables listing shareholdings and changes in shareholdings by insiders, including directors, supervisors, and senior management of the company. It includes data on shares held at appointment, changes during the month, and current holdings, with specific mention of identities such as chairman, directors, supervisors, and financial/accounting department heads. The content is focused on insider share transactions and holdings disclosures. There is no indication of financial statements, earnings data, meeting materials, or legal proceedings. The document is not a report or announcement of a report but a direct disclosure of insider share transactions. Therefore, the document fits the category 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 contains substantive data, not just a notice or announcement.
2017-09-07 Chinese
106年08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 of the company 台勝科, including directors, supervisors, and senior management. It lists the number of shares held, pledged shares, and related ratios. The document also includes notes about the absence of certain managerial positions and clarifications on shareholding calculations. There is no indication of financial statements, earnings data, or report publication announcements. The content is focused on insider shareholdings and related disclosures, which aligns with the category of Director's Dealing (DIRS), which covers reports of personal share transactions by company directors and executives. The document length is 3080 characters, which is relatively short but contains detailed insider shareholding data rather than just an announcement or certification. Therefore, the best classification is DIRS.
2017-09-07 Chinese
106年8月背書保證與資金貸與
Capital/Financing Update Classification · 90% confidence The document is a brief financial disclosure from a listed company (台勝科) providing information about fund lending balances and endorsement guarantees for a specific month (August 2017, 民國106年08月). The content is tabular, concise, and focused on specific financial data points without detailed analysis or narrative. The length is only 620 characters, indicating it is a short regulatory disclosure rather than a full report. There is no indication of it being an annual or interim report, audit report, or earnings release. It is a regulatory announcement of financial data related to capital or financing activities (fund lending and guarantees). Therefore, the most appropriate classification is Capital/Financing Update (CAP).
2017-09-06 Chinese
106年8月營業收入
Regulatory Filings Classification · 95% confidence The document is a revenue summary report from a listed company (台勝科) showing monthly and cumulative net operating revenue figures for August 2017 (民國106年08月). It includes comparative data with the previous year and percentage changes. The document is short (779 characters) and primarily presents summarized financial data without detailed financial statements or analysis. It does not appear to be a full financial report like an Annual Report (10-K) or Interim Report (IR). It also does not fit categories like Earnings Release (ER) which typically highlight quarterly results, or Investor Presentation (IP) which are more detailed presentations. The document is a regulatory disclosure of summarized financial data, typical of a Regulatory Filing (RNS) in the context of Taiwanese market disclosures. Therefore, the best classification is Regulatory Filings (RNS).
2017-09-06 Chinese

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