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SUMCO CORPORATION — Investor Relations & Filings

Ticker · 3436 ISIN · JP3322930003 LEI · 353800SUSRUOM0V6KU92 T Manufacturing
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Filings indexed 66 across all filing types
Latest filing 2022-11-14 Interim / Quarterly Rep…
Country JP Japan
Listing T 3436

About SUMCO CORPORATION

https://www.sumcosi.com/english/

SUMCO CORPORATION is a manufacturer specializing in high-purity silicon wafers, the fundamental substrate material for the semiconductor industry. The company produces and supplies a range of high-quality products, including polished wafers and epitaxial wafers, which are essential for manufacturing various electronic devices. SUMCO serves the global semiconductor market by providing wafers engineered to meet diverse and advanced customer specifications, thereby supporting technological innovation across the electronics sector.

Recent filings

Filing Released Lang Actions
四半期報告書－第24期第3四半期(令和4年7月1日－令和4年9月30日)
Interim / Quarterly Report Classification · 100% confidence The document is a 'Quarterly Report' (四半期報告書) filed by SUMCO Corporation with the Kanto Local Finance Bureau in Japan. It contains detailed financial statements, including the consolidated balance sheet and income statement for the third quarter of the 24th fiscal year (ending September 30, 2022). It is a comprehensive financial report for a period shorter than a full fiscal year, fitting the definition of an Interim/Quarterly Report (IR). 9M 2022
2022-11-14 Japanese
確認書
Report Publication Announcement Classification · 100% confidence The document is a 'Confirmation Letter' (Kakunin-sho) filed under the Financial Instruments and Exchange Act, specifically confirming the accuracy of the contents of a Quarterly Report (Shihanki Hokokusho) for the second quarter of the 24th fiscal period. Since this is a regulatory filing confirming the validity of a report rather than the quarterly report itself, and it does not fit into specific categories like 10-K or IR, it is classified as a general regulatory filing.
2022-08-10 Japanese
四半期報告書－第24期第2四半期(令和4年4月1日－令和4年6月30日)
Interim / Quarterly Report Classification · 100% confidence The document is a 'Quarterly Report' (四半期報告書) filed with the Kanto Local Finance Bureau in Japan. It contains detailed financial statements, including the balance sheet, income statement, and cash flow analysis for the second quarter of the 24th fiscal period (April 1, 2022, to June 30, 2022). It is a comprehensive financial report for a period shorter than a full fiscal year, fitting the definition of an Interim/Quarterly Report (IR). H1 2022
2022-08-10 Japanese
四半期報告書－第24期第1四半期(令和4年1月1日－令和4年3月31日)
Interim / Quarterly Report Classification · 100% confidence The document is a 'Quarterly Report' (四半期報告書) filed by SUMCO Corporation in accordance with the Financial Instruments and Exchange Act of Japan. It contains detailed financial statements, including the consolidated balance sheet and income statement for the first quarter of the 24th fiscal year (January 1, 2022, to March 31, 2022). It is a comprehensive financial report for a period shorter than a full fiscal year, fitting the definition of an Interim/Quarterly Report (IR). Q1 2022
2022-05-13 Japanese
確認書
Audit Report / Information Classification · 95% confidence The document is a 'Confirmation Letter' (Kakunin-sho) filed under the Financial Instruments and Exchange Act, Article 24-4-2, Paragraph 1. This is a standard Japanese regulatory filing that accompanies an Annual Securities Report (Yukashoken Hokokusho) to confirm the accuracy of the report's contents. Since it is a specific regulatory filing required by law and does not fit into the primary report categories (like 10-K or IR) or other specific categories, it is classified as a Regulatory Filing (RNS). FY 2021
2022-03-29 Japanese
内部統制報告書－第23期(令和3年1月1日－令和3年12月31日)
Governance Information Classification · 100% confidence The document is titled '内部統制報告書' (Internal Control Report) and cites the Financial Instruments and Exchange Act (Article 24-4-4, Paragraph 1). This is a specific regulatory filing required in Japan regarding the effectiveness of internal controls over financial reporting. Since it is a standalone report on internal controls rather than a full annual report (10-K) or a general regulatory announcement (RNS), it falls under the 'Audit Report / Information' (AR) category, which covers standalone audit reports and internal control assessments.
2022-03-29 Japanese

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