一、回购股份的基本情况 证券代码：688458 证券简称：美芯晟 公告编号：2026-001 美芯晟科技（北京）股份有限公司 关于以集中竞价交易方式回购公司股份的进展公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、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法律责任。 重要内容提示： | 回购方案首次披露日 | 2025/1/18 | | | | | | | --- | --- | --- | --- | --- | --- | --- | | 回购方案实施期限 | 2025 年 1 月 1 | 16 | 日~2026 | 年 | 月 | 15 日 | | 预计回购金额 | 2,500万元~5,000万元 | | | | | | | 回购用途 | □减少注册资本 √用于员工持股计划或股权激励 | | | | | | | | □用于转换公司可转债 | | | | | | | | □为维护公司价值及股东权益 | | | | | | | 累计已回购股数 | 1,393,700股 | | | | | | | 累计已回购股数占总股本比例 | 1.2495% | | | | | | | ...

美芯晟科技（北京）股份有限公司 简式权益变动报告书 签署日期：2026年1月5日 上市公司名称： 美芯晟科技（北京）股份有限公司 股票上市地点： 上海证券交易所 股票简称： 美芯晟 股票代码： 688458.SH 信息披露义务人： WI Harper Fund VII Hong Kong Limited 主要经营场所： 香港九龙观塘道 370 号创纪之城 3 期 20 楼 2003 室 股份变动性质： 股份被动增加（转增）、减持股份减少 信息披露义务人声明 一、本信息披露义务人根据《中华人民共和国证券法》（以下简称"《证券 法》"）《上市公司收购管理办法》（以下简称"《收购办法》"）《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》（以下简称 "《准则 15 号》"）等相关的法律、法规及规范性文件编写本报告书。 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 反信息披露义务人内部规则中的任何条款，或与之相冲突。 三、依据《证券法》《收购办法》《准则 15 号》规定，本报告书已全面覆 盖信息披露义务人在美芯晟科技（北京）股份有限公司（以下简称"美芯晟"或 "公司"）中 ...

美芯晟公告称，近日收到持股5%以上股东WIHarperFundVII《简式权益变动报告书》。2024年6月27日 公司实施权益分派，转增后该股东持股比例由8.35%增至8.38%。此后，该股东分别通过询价转让、大 宗交易、集中竞价交易方式减持股份。截至2026年1月5日，其持股比例从8.35%降至5%，减持计划尚未 实施完毕。本次权益变动不触及要约收购，不会使公司控股股东、实控人变化，不影响公司治理及经 营。 ...

Core Viewpoint - The company has not yet applied its products to the unmanned logistics vehicle sector but recognizes the potential application value of its laser ranging obstacle avoidance technology in this field [2]. Group 1 - The company responded to an investor inquiry regarding the application of its products in the unmanned logistics vehicle sector [2]. - The company possesses laser ranging obstacle avoidance technology, which has potential application value in unmanned logistics vehicles [2]. - The company aims to expand its business and seek product applications in more scenarios [2].

Core Viewpoint - The company, Meixinsheng (688458.SH), has indicated that its products have not yet been applied in the field of unmanned logistics vehicles, but it possesses laser ranging obstacle avoidance sensor technology that holds potential application value in this sector [1] Company Summary - Meixinsheng has not yet utilized its products in unmanned logistics vehicles [1] - The company has developed laser ranging obstacle avoidance technology [1] - There is potential for this technology to be applied in the unmanned logistics vehicle market [1]

Market Overview - The Shanghai Composite Index is at 3979.82 points, above the annual line, with a change of 0.41% [1] - The total trading volume of A-shares is 11,702.17 million yuan [1] Stocks Breaking Annual Line - A total of 57 A-shares have surpassed the annual line today, with notable stocks showing significant deviation rates [1] - Stocks with the highest deviation rates include: - Nova Star Cloud (4.63%) - Dong'an Power (4.51%) - Jida Communication (4.00%) [1] Detailed Stock Performance - Nova Star Cloud: Today's change is 6.74%, with a turnover rate of 3.75%, latest price at 166.51 yuan [1] - Dong'an Power: Today's change is 10.03%, with a turnover rate of 4.97%, latest price at 13.16 yuan [1] - Jida Communication: Today's change is 4.92%, with a turnover rate of 6.55%, latest price at 9.60 yuan [1] Additional Stocks with Notable Performance - Other stocks with significant performance include: - Tuo Wei Information: Change of 4.23%, latest price at 32.00 yuan, deviation rate of 3.66% [1] - Jingke Energy: Change of 6.29%, latest price at 6.08 yuan, deviation rate of 3.51% [1] - Stocks with smaller deviation rates that have just crossed the annual line include: - Hada Technology: Change of 2.45%, latest price at 10.88 yuan, deviation rate of 2.01% [1] - Blue Sail Medical: Change of 2.38%, latest price at 5.60 yuan, deviation rate of 1.96% [1]

美芯晟（688458.SH）12月26日在投资者互动平台表示，尊敬的投资者，您好！公司光学追踪传感器已 成功应用于小米手机17 Ultra，实现高精度转动调焦，旋转角度分辨率精确至0.1°，助力旗舰级移动光学 变焦及影像操控体验的流畅实现。公司在光学传感器领域已构建多元化产品矩阵，光学传感领域市场空 间广阔，应用场景持续拓展。感谢您的关注！ （记者 曾健辉） 每经AI快讯，有投资者在投资者互动平台提问：小米昨日发布的影像旗舰机17 ultra开启移动光学变焦 时代，公司的光学传感器是否用在17 ultra上？ ...

Core Viewpoint - The company Meixinsheng has successfully applied its optical tracking sensor in Xiaomi's 17 Ultra smartphone, enhancing the mobile optical zoom and imaging control experience with high precision [2] Group 1 - The optical tracking sensor achieves a rotation angle resolution of 0.1 degrees [2] - The application of this technology contributes to a smoother implementation of flagship-level mobile optical zoom [2] - The collaboration with Xiaomi highlights the company's advancements in imaging technology [2]

Core Viewpoint - Meixinsheng (688458.SH) has successfully applied its optical tracking sensor in Xiaomi's Mi 17 Ultra, enhancing mobile optical zoom and imaging control experience with high precision [1] Group 1: Company Developments - The optical tracking sensor achieves a rotation angle resolution of 0.1°, contributing to a smooth implementation of flagship-level mobile optical zoom [1] - The company has established a diversified product matrix in the optical sensor field, indicating a strong commitment to innovation and product development [1] Group 2: Industry Insights - The market space for optical sensors is vast, with continuous expansion of application scenarios, suggesting significant growth potential in the industry [1]

Aerospace - Xiangdian Co., Ltd. has completed the prototype development of an auxiliary starting aviation permanent magnet power generation system [1] - Guoke Military Industry holds the assembly and manufacturing license for solid rocket engines [1] - Baotailong's graphene materials show potential applications in the satellite field [1] - Dayang Electric does not currently engage in the aerospace sector [1] Automotive - Xinrui Technology is a mainstream supplier of high-pressure "electric control" DCF series products for hydrogen and fuel cell vehicles [1] - Yidun Electronics has established a partnership with Seres, with some products currently in the sample verification stage [1] Collaboration with Doubao - Meixinsheng's wireless charging chips have been used in Doubao AI smartphones [1] - BlueFocus has in-depth cooperation with the Doubao large model family [1] Robotics - Ningbo Fangzheng has begun small-batch supply to downstream customers in the robotics sector [1] Other Developments - Zhongci Electronics has collaborated with domestic and international 1.6T optical module companies to develop multiple ceramic shells and substrates, all of which are in stable mass production [1] - Hanbo High-tech's products cover well-known consumer electronics companies, including Xiaomi [1] - Haixia Co., Ltd. expects to benefit from increased traffic to and from Hainan Free Trade Port after the island's full closure operation [1] - Guotai Group's subsidiary, Sanshi Nonferrous, has refined high-purity niobium hydroxide experimental products [1] - Taihe Technology has potential customers for VC products but has not signed any sales contracts yet [1] - Xinjubang's fluorinated cooling liquid products have achieved mass application in key areas such as semiconductor process cooling [1] - Digital China maintains a good cooperative relationship with NVIDIA, distributing multiple series of NVIDIA products [1]