Core Viewpoint - The company is leveraging its expertise in high-voltage integrated semiconductor technology and wide bandgap devices to meet the demand for the next-generation 800V HVDC centralized power systems [1] Group 1: Technology and Product Development - The company has over twenty models of 800V to 1500V ACDC industrial auxiliary power chips in mass production [1] - The company is accelerating the development of mixed-signal power and driver chips suitable for the new generation of HVDC data centers based on existing intellectual property [1]

Company Overview - Chipone Microelectronics Co., Ltd. is located in Wuxi, Jiangsu Province, China, and was established on December 23, 2005. The company went public on July 22, 2020. Its main business involves the research, design, production, sales, and related technical services of electronic components and integrated circuits. The revenue composition is 99.60% from integrated circuits and 0.40% from other sources [1]. Stock Performance - On October 17, Chipone's stock fell by 5%, trading at 62.49 CNY per share, with a transaction volume of 237 million CNY and a turnover rate of 2.82%. The total market capitalization is 8.206 billion CNY [1]. Fund Holdings - According to data from the top ten holdings of funds, Huian Fund has one fund heavily invested in Chipone Microelectronics. The Huian Multi-Factor Mixed A Fund (006648) held 102,200 shares in the second quarter, accounting for 1.1% of the fund's net value, making it the sixth-largest holding. The estimated floating loss today is approximately 336,200 CNY [2]. Fund Performance - The Huian Multi-Factor Mixed A Fund (006648) was established on April 30, 2019, with a current size of 325 million CNY. Year-to-date, it has achieved a return of 35.68%, ranking 2073 out of 8160 in its category. Over the past year, the return is 46.5%, ranking 1439 out of 8021. Since inception, the fund has returned 108.21% [2]. Fund Management - The fund manager of Huian Multi-Factor Mixed A is Liu Yucai, who has been in the position for 4 years and 293 days. The total asset size under management is 1.222 billion CNY, with the best fund return during his tenure being 45.05% and the worst being -17.08% [3].

Core Viewpoint - On October 16, 2023, Chipone Microelectronics conducted two block trades totaling 320,000 shares, amounting to 19.2 million yuan, with a transaction price of 60.00 yuan, reflecting an 8.79% discount compared to the closing price of the day [2] Trading Activity Summary - The total transaction amount for the four block trades in the last three months reached 59.474 million yuan [2] - The closing price of Chipone Microelectronics on the same day was 65.78 yuan, down 1.28%, with a daily turnover rate of 2.44% and a total trading volume of 2.12 billion yuan [2] - Over the past five days, the stock has declined by 7.57%, with a total net outflow of 148 million yuan [2] Margin Financing Data - The latest margin financing balance for Chipone Microelectronics is 568 million yuan, with an increase of 4.5915 million yuan over the past five days, representing a growth rate of 0.82% [2] Company Background - Chipone Microelectronics Co., Ltd. was established on December 23, 2005, with a registered capital of 1.3131 billion yuan [2]

| 交易日期 | 证券調称 | 证券代码 | | | 成交价(元) 成交金额(万元) 成交量( *) 买入营业部 | | 类出管业部 | 是否为专场 | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 2025-10-16 | 芯膀微 | 688508 | ୧୦ | 1380 | 23 | 有限公司 2017年 | ​​​ | | Ka | | 2025-10-16 | 芯膀微 | 688508 | 60 | 540 | a | 美國電影器盤盤 | 品有美容被忽器播 | | Ka | 10月16日，芯朋微大宗交易成交32万股，成交额1920万元，占当日总成交额的8.3%，成交价60元，较 市场收盘价65.78元折价8.79%。 ...

Market Performance - The large fund concept sector increased by 1.26% on October 15, with Huada Jiutian leading the gains [1] - The Shanghai Composite Index closed at 3912.21, up 1.22%, while the Shenzhen Component Index closed at 13118.75, up 1.73% [1] Top Gainers in Large Fund Concept Sector - Huada Jiutian (301269) closed at 135.42, up 7.30% with a trading volume of 267,300 shares and a transaction value of 3.581 billion [1] - Shengke Communication (688702) closed at 116.35, up 3.79% with a trading volume of 40,000 shares and a transaction value of 461 million [1] - Changdian Technology (600584) closed at 41.92, up 2.77% with a trading volume of 841,200 shares and a transaction value of 3.448 billion [1] Top Losers in Large Fund Concept Sector - Zhichun Technology (603690) closed at 37.00, down 8.48% with a trading volume of 1,205,900 shares and a transaction value of 4.518 billion [2] - Hushi Silicon Industry (688126) closed at 27.08, down 2.62% with a trading volume of 606,800 shares and a transaction value of 1.642 billion [2] - Sitwei (688213) closed at 108.39, down 2.44% with a trading volume of 87,100 shares and a transaction value of 940 million [2] Fund Flow Analysis - The large fund concept sector experienced a net outflow of 2.387 billion from institutional investors, while retail investors saw a net inflow of 2.344 billion [2][3] - The top stocks by net inflow from retail investors included Deep South Circuit (002916) with 41.41 million and North Huachuang (002371) with 45.73 million [3] Summary of Individual Stock Performance - Deep South Circuit (002916) had a net inflow of 41.41 million from retail investors, while institutional investors had a net outflow of 1.23 billion [3] - North Huachuang (002371) saw a net inflow of 45.73 million from retail investors, with a net outflow of 1.61 billion from institutional investors [3] - Huada Jiutian (301269) had a net inflow of 46.12 million from retail investors, while institutional investors had a net outflow of 462 million [3]

Core Points - The chairman, controlling shareholder, and actual controller of the company, Zhang Lixin, reduced his shareholding by 1.1614 million shares from September 17, 2025, to October 9, 2025, decreasing his ownership from 25.88% to 25.00%, reaching a 5% integer threshold [1] - Zhang Lixin has no other plans for share increases or reductions in the next 12 months, although the current reduction plan has not been fully executed [1]

证券代码：688508 证券简称：芯朋微 公告编号：2025-047 无锡芯朋微电子股份有限公司 关于持股 5%以上股东减持股份进展暨权益变动触及 5%整数倍的提示性公告 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 误导性陈述或者重大遗漏，并对其内容的真实性、准确性和完整性承担个别及连 带法律责任。 重要内容提示： | 股东 | 本次权益变动前 | | 本次权益变动后 | | | --- | --- | --- | --- | --- | | | 持股数量（股） | 持股比例（%） | 持股数量（股） | 持股比例（%） | | 张立新 | 33,988,865 | 25.88% | 32,827,504 | 25.00% | 注：1、信息披露义务人所持公司股份均为无限售条件流通股，本次权益变动所涉 及股份均享有表决权，不存在表决权委托或受限等任何权利限制或限制转让的情况； 2、本次变动不存在违反《中华人民共和国证券法》、《上市公司收购管理办法》等 法律法规和上海证券交易所业务规则等相关规定情形及其相关承诺； 本次权益变动为无锡芯朋微电子股份有限公司（以下简称"公司"）董事 长、控股 ...

无锡芯朋微电子股份有限公司简式权益变动报告 无锡芯朋微电子股份有限公司 简式权益变动报告书 上市公司名称：无锡芯朋微电子股份有限公司 股票上市地点：上海证券交易所 股票简称：芯朋微 股票代码：688508 信息披露义务人：张立新 住所及通讯地址：江苏省无锡市****** 股份变动性质：信息披露义务人股份减少 签署日期：2025 年 10 月 9 日 1 无锡芯朋微电子股份有限公司简式权益变动报告 信息披露义务人声明 一、信息披露义务人依据《中华人民共和国证券法》、《上市公司收购管理 办法》、《公开发行证券的公司信息披露内容与格式准则第 15 号——权益变动 报告书》及其他相关的法律、法规和规范性文件编写。 二、信息披露义务人签署本报告已获得必要的授权和批准，其履行亦不违反 信息披露义务人章程或内部规则中的任何条款，或与之相冲突。 三、依据《中华人民共和国证券法》、《上市公司收购管理办法》、《公开 发行证券的公司信息披露内容与格式准则第 15 号——权益变动报告书》的规定， 本报告书已全面披露信息披露义务人在无锡芯朋微电子股份有限公司中拥有权 益的股份变动情况。 四、截至本报告书签署之日，除本报告书披露的持股信 ...

Core Viewpoint - The company announced that its chairman, controlling shareholder, and actual controller, Zhang Lixin, will reduce his shareholding through centralized bidding and block trading from September 17, 2025, to October 9, 2025, by 1.1614 million shares, which accounts for 0.88% of the total share capital [1] Summary by Relevant Sections - Shareholding Reduction Details - Zhang Lixin will reduce his holdings from 33.9889 million shares to 32.8275 million shares, decreasing his ownership percentage from 25.88% to 25.00% [1] - The reduction plan has not yet been fully implemented [1]

Group 1 - The core point of the news is that Chipone Microelectronics conducted two block trades on October 9, totaling 619,600 shares with a transaction value of 40.274 million yuan, at a price of 65.00 yuan, which represents an 8.67% discount compared to the closing price of the day [2][3] - The closing price of Chipone Microelectronics on the same day was 71.17 yuan, reflecting a slight decline of 0.36%, with a turnover rate of 6.27% and a total trading volume of 593 million yuan [2] - Over the past five days, the stock has increased by 1.44%, but there has been a net outflow of funds totaling 35.9286 million yuan [2] Group 2 - The latest margin financing balance for Chipone Microelectronics is 563 million yuan, which has decreased by 558,600 yuan over the past five days, representing a decline of 0.10% [3] - Chipone Microelectronics was established on December 23, 2005, with a registered capital of 1.3131 billion yuan [3] - The block trades on October 9 included a transaction of 385,600 shares worth 25.064 million yuan and another of 234,000 shares worth 15.21 million yuan, both at a price of 65.00 yuan [3]