芯海科技公告，公司2024年1月29日至2024年4月29日累计回购股份229.06万股，占总股本1.61%；拟由 回购专用证券账户在2025年8月18日至2025年11月18日，通过集中竞价方式减持不超过142.06万股，占 总股本1.00%，所得资金用于补充流动资金。 ...

Group 1 - Oumei Medical (002950.SZ) shareholder Chen Haohua reduced holdings by 4.214 million shares, accounting for 0.67% of total shares, bringing his stake down to 10.87% [1] - Bestar (300822.SZ) shareholders plan to reduce holdings by up to 9.298731 million shares, representing 3% of total shares, within three months after 15 trading days [1] - Boying Special Welding (301468.SZ) shareholder Shenzhen Zhanxing Fund has reduced holdings by 2.616 million shares, accounting for 1.98% of total shares, since the disclosure of the reduction plan [1] Group 2 - Guizhou Gas (600903.SH) shareholders plan to reduce holdings by up to 34.5 million shares, representing 3% of total shares, within three months after 15 trading days [2] - Guotai Group (603977.SH) controlling shareholder has reduced holdings by 1.652 million shares, accounting for 0.266% of total shares, with the reduction plan completed [2] - Hongjing Technology (301396.SZ) directors plan to reduce holdings by up to 1.535 million shares, each accounting for 1% of total shares, within three months after 15 trading days [2] Group 3 - Huazhong Group (301027.SZ) senior management plans to reduce holdings by up to 32.8 million shares, 600,000 shares, 150,000 shares, and 500,000 shares respectively within three months after 15 trading days [1][2] - Mingyang Electric (301291.SZ) shareholders have completed a reduction of 3.23 million shares, accounting for 1.03% of total shares, with one shareholder required to buy back shares due to price issues [4] - Olin Bio (688319.SH) controlling shareholder plans to reduce holdings by up to 12.178 million shares, representing 3% of total shares, within three months after 15 trading days [5] Group 4 - Xinhai Technology (688595.SH) repurchase account reduced holdings by 1.071844 million shares, accounting for 0.75% of total shares, with the reduction plan completed [7] - Zhonghua Rock and Soil (002542.SZ) director Wang Hao completed a reduction of 500,000 shares, accounting for 0.0277% of total shares [8] - Zhongze Special Materials (300963.SZ) shareholder Shanghai Dunjia plans to reduce holdings by up to 8.0885 million shares, representing 1.76% of total shares, within three months after 15 trading days [9]

Core Viewpoint - The company, Chipsea Technology (Shenzhen) Co., Ltd., has successfully completed its share repurchase and reduction plan, selling a total of 1,071,844 shares, which accounts for 0.75% of its total share capital [1][2]. Summary by Sections Share Repurchase and Reduction Plan - The company announced a plan to reduce its repurchased shares by a maximum of 1,071,844 shares, representing 0.75% of the total share capital, through centralized bidding within six months from the announcement date [1]. - The reduction was completed between July 14, 2025, and July 22, 2025, with the shares sold at prices ranging from 35.08 to 37.39 yuan per share [2]. Implementation Results - The total amount raised from the share reduction was approximately 39,113,059.33 yuan [2]. - After the reduction, the company holds 2,290,557 shares, which is 1.60% of the total share capital [2][3]. - The actual reduction met the planned target, and there was no early termination of the reduction plan [3].

| 证券代码：688595 | 证券简称：芯海科技 | 公告编号：2025-026 | | --- | --- | --- | | 债券代码：118015 | 债券简称：芯海转债 | | 芯海科技（深圳）股份有限公司 关于回购股份集中竞价减持股份进展暨结果公告 本公司董事会、全体董事及相关股东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、准确性和完整性依法承担法律 责任。 现将有关减持进展情况公告如下： 1 一、减持主体减持前基本情况 | 股东名称 | 芯海科技（深圳）股份有限公司回购专用证券账户 | | | --- | --- | --- | | 股东身份 | 控股股东、实控人及一致行动人 √否 | □是 | | | 直接持股 5%以上股东 √否 | □是 | | | 董事、监事和高级管理人员 √否 | □是 | | | 其他：回购专户 | | | 持股数量 | 3,362,401股 | | | 持股比例 | 2.36% | | | 当前持股股份来源 | 集中竞价交易取得：3,362,401股 | | 上述减持主体无一致行动人。 重要内容提示： 芯海科技（深圳）股份有限公司 ...

Core Insights - The company has entered a harvest period for its Battery Management System (BMS) business, which is becoming a second growth curve, reflecting the breakthrough path of domestic chips in the new energy and AIoT waves [1] Group 1: Technological Foundation - The BMS chips are crucial for battery safety, monitoring battery status, and managing charge and discharge, especially with the rise of high-power fast charging technologies [2] - The company has launched new BMS products, including CBM8565, CBM8570, and CBM8582, which feature high safety, precision, low power consumption, and high power capabilities, achieving international leading performance [2] - The company has applied for a total of 1,784 patents, with 983 granted, including nearly 80 related to BMS, indicating strong R&D capabilities [2] Group 2: Market Performance - The company has achieved an annual production of over 100 million BMS products, establishing a model for domestic "competitive replacement" [3] - In 2024, the company reported total revenue of 702 million, a significant year-on-year increase of 62.22%, with BMS products showing substantial sales growth [3] - The BMS business continues to show strong growth in Q1 2025, with shipment volumes for 2-5 cell BMS products doubling compared to the same period last year [3] Group 3: Ecosystem Collaboration - The company's BMS strategy relies on a dual technology platform of ADC and MCU, providing comprehensive solutions across various sectors [4] - The company has established a complete management system and processes, achieving full-chain digital transformation, which enhances its competitive management capabilities [4] - Collaboration with end customers, upstream and downstream partners, and research institutions has led to the creation of joint laboratories and industry standards, forming a stable business loop [4] Group 4: Strategic Expansion - The company has successfully entered the PC market, leveraging over 20 years of dual-platform technology advantages, becoming one of the few suppliers certified across Intel, AMD, and domestic CPU platforms [5] - The product layout includes a horizontal expansion covering various components and a vertical extension into AI PCs, desktop computers, industrial computers, edge computing, and servers [5] - The company aims to leverage long-term technological accumulation and ecosystem layout to provide one-stop solutions for customers, positioning itself for growth in the expanding battery management market [5]

Group 1 - The A-share semiconductor sector showed strong performance during trading, with significant gains in various stocks [1] - Hongwei Technology surged over 16%, while Cambricon, Xiangjie Technology, and Dongwei Semiconductor all increased by over 7% [1] - Other companies such as Chipone Technology and Chipsea Technology also saw gains exceeding 4% [1]

Summary of Key Points Core Viewpoint - The announcement details the upcoming interest payment and relevant dates for the convertible bonds issued by Chipsea Technology, highlighting the bond's issuance, trading, conversion, and interest payment structure. Group 1: Convertible Bond Issuance and Trading - Chipsea Technology issued 4.1 million convertible bonds on July 21, 2022, with a total value of 410 million yuan, maturing on July 20, 2028, and a tiered interest rate structure [1][2] - The bonds began trading on the Shanghai Stock Exchange on August 18, 2022, under the name "Chipsea Convertible Bonds" with the code "118015" [2] Group 2: Conversion Details - The bonds can be converted into shares starting from January 27, 2023, until July 20, 2028, with an initial conversion price of 56.00 yuan per share, adjusted to 55.71 yuan and then to 55.68 yuan due to equity incentive registrations [2][3] Group 3: Interest Payment Plan - The interest payment for the third year will occur from July 21, 2024, to July 20, 2025, with a coupon rate of 1.2%, resulting in a payment of 12 yuan per bond (before tax) [5][6] - The record date for interest payment is set for July 18, 2025, with the payment date on July 21, 2025 [5][6] Group 4: Tax Implications - Individual investors are subject to a 20% tax on interest income, resulting in a net payment of 0.96 yuan per bond after tax [6][7]

证券代码：688595 证券简称：芯海科技 公告编号：2025-025 债券代码：118015 债券简称：芯海转债 芯海科技（深圳）股份有限公司 本公司董事会、全体董事及相关股东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、准确性和完整性依法承担法律 责任。 重要内容提示： ? 芯海科技（深圳）股份有限公司（以下简称"公司"）于 2022 年 5 月 股的比例为 0.75%。前述股份将于回购完成公告披露十二个月后采用集中竞价交 易方式出售，并在回购完成公告披露后三年内完成出售，若公司未能在上述期限 内完成出售，未实施出售部分股份将履行相关程序予以注销。 ? 减持计划的进展情况 了《关于回购股份集中竞价减持计划的公告》（公告编号：2025-004），公司计 划自本公告之日起 15 个交易日后的六个月内，通过集中竞价交易方式，按市场 价格减持不超过 1,071,844 股的已回购股份，占公司总股本的 0.75%。若此期间 公司有送股、资本公积金转增股本等导致公司股本数量变动的情形，公司将对减 持数量进行相应调整。 减持公司股份 150,000 股，减持股份数量占公司总股本 0.1 ...

| 证券代码：688595 | 证券简称：芯海科技 | 公告编号：2025-025 | | --- | --- | --- | | 债券代码：118015 | 债券简称：芯海转债 | | 减持计划的进展情况 2025 年 3 月 28 日，公司在上海证券交易所网站（www.sse.com.cn）披露 了《关于回购股份集中竞价减持计划的公告》（公告编号：2025-004），公司计 划自本公告之日起 15 个交易日后的六个月内，通过集中竞价交易方式，按市场 价格减持不超过 1,071,844 股的已回购股份，占公司总股本的 0.75%。若此期间 公司有送股、资本公积金转增股本等导致公司股本数量变动的情形，公司将对减 持数量进行相应调整。 2025 年 7 月 14 日，公司首次出售已回购股份 150,000 股，减持均价为 35.9714 元/股。截至本公告披露日，公司回购专用证券账户通过集中竞价方式 减持公司股份 150,000 股，减持股份数量占公司总股本 0.11%，现将有关减持进 展情况公告如下： 芯海科技（深圳）股份有限公司 一、减持主体减持前基本情况 1 关于回购股份集中竞价减持股份进展公告 本公司董 ...

关于"芯海转债"2025年付息公告 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、准确性和完整性依法承担法律责任。 重要内容提示： ● 可转债付息债权登记日：2025 年 7 月 18 日（由于 2025 年 7 月 20 日 为休息日，可转债付息债权登记日提前至 2025 年 7 月 18 日）。 ● 可转债除息日：2025 年 7 月 21 日。 ● 可转债兑息日：2025 年 7 月 21 日（由于 2025 年 7 月 20 日为休息日， 可转债兑息日延迟至 2025 年 7 月 21 日）。 芯海科技（深圳）股份有限公司（以下简称"芯海科技"或"公司"）于 2022 年 7 月 21 日发行的可转换公司债券（以下简称"芯海转债"或"可转债"）将于 2025 年 7 月 21 日开始支付自 2024 年 7 月 21 日至 2025 年 7 月 20 日期间的利息。 根据《芯海科技（深圳）股份有限公司向不特定对象发行可转换公司债券募集说 明书》（以下简称"《募集说明书》"）有关条款的规定，现将有关事项公告如下： | | | 芯海科技（深圳）股份有 ...