Skip to main content
Starpower Semiconductor Ltd. logo

Starpower Semiconductor Ltd. — Investor Relations & Filings

Ticker · 603290 ISIN · CNE100003RN6 Shanghai Stock Exchange Manufacturing
Open in API
Filings indexed 630 across all filing types
Latest filing 2022-03-22 Major Shareholding Noti…
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
持股5%以上股东集中竞价减持股份结果公告
Major Shareholding Notification Classification · 100% confidence The document is an announcement regarding the results of a shareholding reduction by a shareholder holding more than 5% of the company's shares. It details the shareholder's name, shareholding percentages before and after the reduction, the number of shares reduced, the price range, and confirms the completion of the reduction plan. This type of document is a notification about changes in major shareholding levels, specifically the completion of a share reduction by a significant shareholder. It does not contain financial statements or detailed financial performance data, so it is not an Annual Report or Interim Report. It is not a regulatory filing or a report publication announcement since it provides substantive information about shareholding changes. Therefore, the correct classification is Major Shareholding Notification (MRQ). The document length is 1917 characters, which is consistent with a detailed announcement but not a full report.
2022-03-22 Chinese
关于5%以上股东减持比例达到1%的提示性公告
Major Shareholding Notification Classification · 100% confidence The document is a notification about a shareholder's reduction in shareholding exceeding 1%, detailing the changes in ownership percentages and share transactions by a significant shareholder (Zhejiang Xingdeli Textile Co., Ltd.). It includes specific dates, share quantities, and percentage changes but does not contain financial statements or performance data. The content matches the definition of a Major Shareholding Notification (MRQ), which reports changes in significant share ownership levels crossing thresholds. The document length is 2243 characters, which is consistent with a notification rather than a full report. Therefore, the appropriate classification is MRQ.
2022-03-22 Chinese
2021年度业绩快报公告
Earnings Release Classification · 95% confidence The document is titled as a "2021年度业绩快报公告" which translates to "2021 Annual Performance Express Announcement" or "Earnings Quick Report Announcement." It contains preliminary financial data for the year 2021, including revenue, profit, and other key financial metrics. The data is explicitly stated as preliminary and unaudited, with a note that the final audited data will be disclosed in the formal annual report. The document is relatively short (1693 characters) and serves as an initial earnings summary rather than a full comprehensive report. This matches the characteristics of an Earnings Release (ER), which is an initial announcement of quarterly or annual financial results highlighting key figures but not the full detailed report. Therefore, the correct classification is Earnings Release (ER).
2022-03-11 Chinese
中信证券股份有限公司关于嘉兴斯达半导体股份有限公司2021年持续督导工作现场检查报告
Audit Report / Information Classification · 95% confidence The document is titled as a "2021 Year Continuous Supervision On-Site Inspection Report" by CITIC Securities for Jiaxing Sida Semiconductor Co., Ltd. It references regulatory guidelines related to securities issuance, listing supervision, and fundraising management by the Shanghai Stock Exchange. The content details an on-site inspection covering governance, internal controls, information disclosure, independence, fundraising usage, related party transactions, and operational status. It is a report by the sponsor (CITIC Securities) on their continuous supervision duties post a non-public issuance of shares. The document is not an annual or quarterly financial report, nor an earnings release or call transcript. It is not a simple announcement or certification but a substantive inspection report. This fits the category of an Audit Report / Information (AR), as it is a standalone audit-like inspection report on compliance and internal controls related to fundraising and governance, excluding full annual reports. The document length (2659 characters) is consistent with a detailed report rather than a brief announcement. Therefore, the classification is AR with high confidence.
2022-02-09 Chinese
嘉兴斯达半导体股份有限公司2021年年度业绩预增公告
Earnings Release Classification · 95% confidence The document is titled as a 2021 annual performance forecast announcement by the company 嘉兴斯达半导体股份有限公司. It provides preliminary estimated net profit figures for the full year 2021, comparing them to the previous year, and includes explanations for the expected increase. It explicitly states that the forecasted results have not been audited and that the final audited results will be disclosed in the formal 2021 annual report. The document is short (1324 characters) and serves as a performance forecast rather than a full financial report. It does not contain actual audited financial statements or comprehensive financial data. This type of document is typically classified as an Earnings Release (ER) because it announces key highlights of expected financial results for a fiscal year before the official annual report is published.
2022-01-26 Chinese
关于完成工商变更登记的公告
Share Issue/Capital Change Classification · 95% confidence The document is an announcement from the company 嘉兴斯达半导体股份有限公司 regarding the completion of industrial and commercial registration changes, including changes to registered capital, business scope, and amendments to the company charter. It references a previous announcement (2021-082) and provides updated registration details such as company name, legal representative, registered capital, and business scope. The document is short (811 characters) and serves as a formal notification of completed registration changes rather than a detailed financial report or management discussion. This fits the category of Share Issue/Capital Change (SHA) because it involves changes in registered capital and company registration details. It is not an annual report, interim report, or regulatory filing of financial results, nor is it a report publication announcement. Therefore, the appropriate classification is SHA with high confidence.
2021-12-27 Chinese

Browse filings by year

7 years

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.