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FST — Investor Relations & Filings

Ticker · 3532 ISIN · TW0003532008 TW Manufacturing
Open in API
Filings indexed 1,556 across all filing types
Latest filing 2026-05-21 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
公告本公司召開法人說明會相關資訊。
Regulatory Filings Classification · 90% confidence The document is a Taiwanese regulatory disclosure announcing the date, time, and format of a corporate (investor) presentation (法人說明會). It does not contain the actual presentation content or financial statements, nor is it a press release of earnings data. It is a mandated event notice under Form 12 and is therefore a general regulatory announcement. As it does not fit any more specific category (like actual presentation slides or a report), it falls under the fallback category for miscellaneous regulatory filings (RNS).
2026-05-21 Chinese
115年05月法人說明會簡報
Investor Presentation Classification · 80% confidence The document is a listing of “法人說明會” (institutional investor presentation) dates, times, locations and links to the presentation materials (Chinese/English slides, summary, video link). This is not an earnings release or financial report itself but a presentation event and its materials for investors. Therefore it falls under Investor Presentation (IP).
2026-05-21 Chinese
公司基本資料
Regulatory Filings Classification · 90% confidence The document is a basic corporate information disclosure form from the Taiwan ‘公開資訊觀測站’ with company identifiers, addresses, executives, capital and listing details. It is not a financial report, announcement of results, or specific event filing. It fits the general regulatory announcement category for miscellaneous filings that do not belong to the other specialized types.
2026-05-14 Chinese
公告本公司因配合會計師事務所內部職務調整更換會計師
Regulatory Filings Classification · 84% confidence The document is a regulatory announcement on Taiwan’s public information platform (公開資訊觀測站) regarding the replacement of the company’s signing auditors due to internal staffing changes at the accounting firm. It contains no financial statements or substantive report content. It is not the audit report itself but a notice of auditor change—a general compliance/regulatory filing. No other specific category fits (not a management board change, not an interim or annual report, not an auditor’s standalone report). Therefore, the correct classification is Regulatory Filings (RNS).
2026-05-14 Chinese
公告本公司董事會通過對子公司日本台塑勝高株式會社 115年6月10日至116年6月9日循環動用資金貸與金額達 本公司最近財務報表淨值1.53%。
Capital/Financing Update Classification · 80% confidence The document is an official company announcement of a board resolution approving the lending of funds (a revolving credit facility) to its 100%-owned subsidiary, detailing amounts, limits, interest rate and terms. This constitutes a financing activity update rather than an earnings release, share issuance, or regulatory certification. It best fits the “Capital/Financing Update” category (CAP).
2026-05-14 Chinese
115年第1季財務報告書 — 202601_3532_AI1.pdf
Interim / Quarterly Report Classification · 96% confidence The document is a detailed consolidated financial report for Q1 periods (民國115及114年第1季), including a full suite of interim financial statements (balance sheet, income statement, cash flows, changes in equity) and accompanying notes, prepared under IFRS 34 ‘Interim Financial Reporting’ and reviewed by the auditor. This clearly constitutes an interim/quarterly report rather than merely an announcement. Therefore, it should be classified under Interim / Quarterly Report (IR). Q1 2026
2026-05-14 Chinese

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