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Starpower Semiconductor Ltd. — Investor Relations & Filings

Ticker · 603290 ISIN · CNE100003RN6 Shanghai Stock Exchange Manufacturing
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Filings indexed 632 across all filing types
Latest filing 2026-06-08 Notice of Dividend Amou…
Country CN China
Listing Shanghai Stock Exchange 603290

About Starpower Semiconductor Ltd.

https://www.powersemi.com/EN/

Starpower Semiconductor Ltd. specializes in the design and manufacture of power semiconductor chips and modules. The company's primary product portfolio includes Insulated Gate Bipolar Transistor (IGBT) modules, Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs), and Silicon Carbide (SiC) power modules. These components are critical for power conversion and control in various high-demand applications, such as electric vehicle traction inverters, solar and wind power generation systems, industrial motor drives, and uninterruptible power supplies. Starpower focuses on delivering high-efficiency, high-reliability solutions to optimize energy management across the automotive, industrial, and renewable energy sectors. The company maintains a strong emphasis on research and development to advance power density and thermal performance in its semiconductor solutions.

Recent filings

Filing Released Lang Actions
2025年年度权益分派实施公告
Notice of Dividend Amount Classification · 91% confidence The document is an announcement titled “2025年年度权益分派实施公告” detailing the cash dividend per share, key dates (record date, ex-dividend date, payment date), tax withholding procedures, and implementation mechanics. This matches the definition for Notice of Dividend Amount (Code: DIV).
2026-06-08 Chinese
关于因实施2025年年度权益分派调整“斯达转债”转股价格的公告
Capital/Financing Update Classification · 95% confidence The document is an official announcement by the board of a listed company regarding an adjustment to the conversion price of its outstanding convertible bonds (“斯达转债”) as a result of the 2025 dividend payment. This is a corporate action affecting the terms of the company’s financing instruments (convertible bonds), which falls squarely under capital structure changes and financing updates. Therefore, the most appropriate classification is Capital/Financing Update (CAP).
2026-06-08 Chinese
2025年年度股东会会议资料
AGM Information Classification · 100% confidence The document is titled "2025年年度股东会会议资料" which translates to "2025 Annual General Meeting (AGM) Meeting Materials" for 斯达半导体股份有限公司. It contains detailed agenda items for the 2025 AGM, including reports such as the 2025 Board of Directors Work Report, the 2025 Annual Report and its summary, profit distribution proposals, auditor reappointment, remuneration plans, governance system revisions, and financing proposals. The document also includes meeting procedures, voting instructions, and legal witness information. The content is clearly the materials prepared and distributed for the Annual General Meeting, not the actual annual report or financial statements themselves. The length is substantial (15,000 characters), consistent with detailed AGM materials. Therefore, the document fits the category of AGM Information (AGM-R).
2026-05-06 Chinese
向不特定对象发行可转换公司债券网上中签结果公告
Share Issue/Capital Change Classification · 92% confidence The document is an official announcement detailing the online subscription lottery results (“中签结果公告”) for a convertible bond issuance to unspecified investors. It relates to the company’s issuance of new convertible bonds and the allocation of those securities, which constitutes a capital change event. Therefore, it best fits the “Share Issue/Capital Change” category (SHA).
2026-04-17 Chinese
关联交易管理办法
Governance Information Classification · 95% confidence The document is titled "斯达半导体股份有限公司 关联交易管理办法" which translates to "Related Party Transaction Management Measures" for the company. It is a detailed policy document outlining principles, definitions, decision-making procedures, disclosure requirements, and compliance rules regarding related party transactions. It references relevant laws and regulations such as the Company Law, Securities Law, and Shanghai Stock Exchange listing rules. The document is a governance and compliance manual rather than a financial report, earnings release, or announcement. It does not contain financial statements, audit opinions, or voting results. It is not a presentation or transcript. It is a governance-related internal rules document. Therefore, the most appropriate classification is Governance Information (CGR). The document length (7639 characters) supports it being a full policy document rather than a brief announcement or notice.
2025-12-08 Chinese
年报信息披露重大差错责任追究制度
Governance Information Classification · 95% confidence The document is titled '年报信息披露重大差错责任追究制度' which translates to 'Annual Report Information Disclosure Major Error Responsibility Pursuit System'. It outlines the company's internal policy and procedures for accountability related to major errors in annual report disclosures. The content focuses on rules, responsibilities, and penalties for errors in annual report information disclosure, referencing relevant laws and regulations. It does not contain actual financial data, financial statements, or the annual report itself. Instead, it is a governance or compliance document related to the annual report disclosure process. Given the nature of the document as a policy or governance framework concerning annual report disclosures, the most appropriate classification is Governance Information (CGR). The document length is 2389 characters, which is relatively short and consistent with a policy document rather than a full report or announcement.
2025-12-08 Chinese

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