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SDI — Investor Relations & Filings

Ticker · 2351 ISIN · TW0002351004 TW Manufacturing
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Filings indexed 1,784 across all filing types
Latest filing 2025-09-04 Major Shareholding Noti…
Country TW Taiwan
Listing TW 2351

About SDI

www.sdi.com.tw

SDI Corporation is a global manufacturer specializing in high-precision lead frames and stationery products. The company operates two primary business divisions: Electronic Components and Stationery. In the electronics sector, it is a leading provider of semiconductor lead frames, LED lead frames, and integrated circuit packaging materials, serving the global semiconductor and automotive electronics markets. The stationery division produces a wide range of office supplies and hardware under the 'SDI' brand, including cutters, staplers, and correction tapes. Leveraging advanced metal stamping and mold-making technologies, the company provides high-quality components for power management, consumer electronics, and industrial applications. With over 70 years of experience, SDI Corporation focuses on technical innovation and sustainable operations to maintain its position as a key supplier in the global supply chain.

Recent filings

Filing Released Lang Actions
114年08月內部人持股異動(事後)
Major Shareholding Notification Classification · 100% confidence The document consists of detailed tables listing shareholdings of company insiders, including directors, managers, and their related parties. It shows the number of shares held, changes in holdings, and classifications of shares. This type of document is typically a Major Shareholding Notification or insider shareholding disclosure. There is no indication of financial statements, earnings data, management discussion, or meeting materials. The document is not a report or announcement of a report but a direct disclosure of shareholdings by insiders. Therefore, it fits best under the category of Major Shareholding Notification (MRQ).
2025-09-04 Chinese
114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 company insiders, including directors and senior management, showing their current and initial shareholdings, pledged shares, and related party holdings. It is a disclosure of insider shareholdings and changes, typical of insider trading or director dealing reports. There is no indication of financial results, meeting materials, or regulatory announcements beyond insider shareholding data. The document length is short (2518 characters) and focused solely on insider shareholdings. Therefore, the document fits the category of Director's Dealing (DIRS).
2025-09-04 Chinese
本公司受邀參加元大證券舉辦之投資人說明會
Regulatory Filings Classification · 95% confidence The document is a brief announcement stating that the company (2351 順德) has been invited to participate in an investor presentation organized by Yuanta Securities. It includes details such as the date, time, and location of the investor meeting but does not contain any financial data or detailed presentation content. The document length is only 617 characters, indicating it is a short notice rather than a full report or transcript. According to the classification rules, such announcements about upcoming investor presentations without substantive content should be classified as Investor Presentation (IP) if they contain the presentation itself, or as Regulatory Filings (RNS) if they are merely announcements. Since this document only announces the event and refers readers to another source for full information, it fits best under Regulatory Filings (RNS).
2025-09-02 Chinese
114年09月法人說明會簡報 — 235120250902E001.pdf
Annual Report Classification · 95% confidence The document contains detailed business segment information, market position data, product descriptions, global locations, ESG certifications, customer information, and importantly, financial performance data including statements of comprehensive income and balance sheets. The length is over 10,000 characters, indicating a comprehensive report rather than a brief announcement. There is no indication that this is a transcript, proxy statement, or a regulatory filing of a different nature. The presence of full financial statements and extensive business information aligns with the characteristics of an Annual Report (10-K). FY 2024
2025-09-02 Chinese
114年09月法人說明會簡報 — 235120250902M001.pdf
Investor Presentation Classification · 95% confidence The document is a detailed presentation including product portfolio, market share, company history, global locations, ESG certifications, product applications, new product trends, major customers, and financial information including consolidated income statement and balance sheet. It also includes a Q&A section and contact information. The content is typical of an investor presentation focusing on financials, strategy, market position, and company overview. There is no indication that this is an annual report, earnings release, or regulatory filing. The length (9762 characters) and detailed content support classification as an Investor Presentation rather than a brief factsheet or announcement. Therefore, the document is best classified as an Investor Presentation (IP).
2025-09-02 Chinese
114年09月法人說明會簡報
Investor Presentation Classification · 95% confidence The document is a listing from a public information observation station showing details about an investor presentation event, including company code, name, date, time, location, summary, presentation files, website, and video link. The content is focused on an investor presentation event rather than a full financial report or regulatory filing. The presence of presentation files and video links strongly indicates this is an Investor Presentation (IP). The document length is short and it is not a report publication announcement or certification. Therefore, the classification is Investor Presentation (IP).
2025-09-02 Chinese

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