Group 1 - The core point of the article highlights the trading activity of Huahai Qingke, which saw a closing price increase of 1.98% to 159.80 yuan on December 23 [1] - A significant block trade occurred with a total volume of 517,100 shares and a transaction amount of 74.6848 million yuan, with a discount rate of -9.62% [1] - The buyer was from China Merchants Securities Co., Ltd., while the seller was from Guotai Junan Securities Co., Ltd. [1] Group 2 - Over the past three months, Huahai Qingke has recorded a total of 34 block trades, amounting to 479 million yuan [1] - In the last five trading days, the stock has increased by 3.10%, although there has been a net outflow of 141 million yuan in principal funds [1]

格隆汇12月23日丨华海清科(688120.SH)公布，截至2025年12月23日，路新春先生已经通过大宗交易方 式减持公司股份331.56万股，占公司总股本3.54亿股的0.9375%，本次减持计划提前终止。 ...

华海清科股份有限公司 简式权益变动报告书 上市公司名称：华海清科股份有限公司 股票简称：华海清科 股票代码：688120 股票上市地点：上海证券交易所 信息披露义务人信息 信息披露义务人：路新春 住所/通讯地址：天津市津南区*** *** 股份变动性质：股份减少（大宗交易） 签署日期：2025年12月23日 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》（以下简称为《证券 法》）、《上市公司收购管理办法》（以下简称《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》（以下简称 《准则15号》）及其他相关的法律、法规和规范性文件编写本报告书。 二、信息披露义务人签署本报告书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公司章程或内部规则中的任何条款，或与之相冲突。 三、依据《证券法》《收购管理办法》《准则15号》的规定，本报告书已 全面披露信息披露义务人在华海清科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息外，信息披露义 务人没有通过任何其他方式增加或减少其在华海清科股份有限公司中拥有权益 的股份。 ...

证券代码：688120 证券简称：华海清科 公告编号：2025-080 华海清科股份有限公司 股东减持股份结果暨持股 5%以上股东持有权益比 例降至 5%以下的权益变动提示性公告 股东路新春先生保证向华海清科股份有限公司（以下简称"公司"）提供的 信息内容不存在任何虚假记载、误导性陈述或者重大遗漏，并对其真实性、准确 性和完整性依法承担法律责任。 本公司及董事会全体成员保证公告内容与信息披露义务人提供的信息一致。 重要内容提示： 本次减持计划实施前，公司股东路新春先生持有公司股份 20,998,046 股，占公司总股本 353,651,991 股的 5.9375%，上述股份来源均为公司 IPO 前取 得的股份及通过资本公积转增股本取得的股份。 2025 年 11 月 20 日，公司在上海证券交易所网站（www.sse.com.cn）披 露了《关于持股 5%以上的股东减持股份计划公告》（公告编号：2025-072），路 新春先生因自身资金需求，拟于减持计划披露之日起 15 个交易日后的 3 个月内 （即 2025 年 12 月 11 日至 2026 年 3 月 10 日）通过大宗交易方式减持其所持有 的公司股份 ...

华海清科公告，股东路新春先生原持股2099.8万股，占5.9375%。其减持计划拟于2025年12月11日至 2026年3月10日通过大宗交易减持不超353.41万股，占1.00%。截至2025年12月23日已减持331.56万股， 占0.9375%，成交价144.43～144.43元/股，成交金额4.79亿元，计划提前终止。减持后持股1768.24万 股，占4.9999%，持股比例降至5%以下。 ...

12月23日，华海清科大宗交易成交51.71万股，成交额7468.48万元，占当日总成交额的5.66%，成交价144.43元，较市场收盘价159.8元折价9.62%。 | | | ...

Summary of Key Points Core Viewpoint - On December 22, a total of 19 stocks from the Sci-Tech Innovation Board (科创板) experienced block trading, with a cumulative transaction amount of 411 million yuan, indicating active trading activity in this sector [1]. Group 1: Trading Activity - The total number of block trades was 62, with a cumulative trading volume of 5.81 million shares [1]. - The stock with the highest transaction amount was Tuojing Technology (拓荆科技), with a trading volume of 310,000 shares and a transaction amount of 111 million yuan [1]. - Other notable stocks in terms of transaction amounts included Huahai Qingke (华海清科) and Honghua Shuke (宏华数科), with transaction amounts of 79.44 million yuan and 43.78 million yuan, respectively [1]. Group 2: Price and Discount/Premium Analysis - Among the stocks that underwent block trading, the highest discount rates relative to the closing price were observed in Liyuanheng (利元亨), Tongyuan Environment (通源环境), and Lide Xiebo (绿的谐波), with discount rates of 21.39%, 21.09%, and 14.90% respectively [1]. - The only stock with a premium was Laplace (拉普拉斯), which had a premium rate of 7.22% [1]. Group 3: Stock Performance - The Sci-Tech 50 Index rose by 2.04%, with 369 stocks (61.81%) on the Sci-Tech Innovation Board experiencing price increases [1]. - The average increase for stocks involved in block trading was 1.93%, with the highest increases seen in Tongyuan Environment (18.56%), Tuojing Technology (10.37%), and Canxin Co. (灿芯股份) (6.18%) [1]. - Conversely, stocks that saw the largest declines included Laplace (-10.12%), Weichuang Electric (-3.04%), and Aters (-1.13%) [1]. Group 4: Institutional Participation - There were 29 transactions involving institutional buyers or sellers across 9 stocks, with the highest buying amounts in Tuojing Technology (111 million yuan), Huahai Qingke (79.44 million yuan), and Honghua Shuke (21.71 million yuan) [2]. - The stocks with the highest net inflows of funds included Dekeli (德科立), Tuojing Technology, and Huahai Qingke, with net inflows of 216 million yuan, 110 million yuan, and 60.91 million yuan respectively [2]. - Stocks with the highest net outflows included Aters (-140 million yuan), Laplace (-130 million yuan), and Fuchuang Precision (-14.23 million yuan) [2].

（原标题：华海清科发生3笔大宗交易 合计成交7943.65万元） | 成交量 | 成交金 额 | 成交价 | 相对当日 收盘折溢 | 买方营业 | | | --- | --- | --- | --- | --- | --- | | （万 | （万 | 格 | 价 | 部 | 卖方营业部 | | 股） | 元） | （元） | （%） | | | | 40.00 | 5777.20 | 144.43 | -7.83 | 机构专用 | 国泰海通证券股份有限公司天津新开路证券营业 部 | | 10.00 | 1444.30 | 144.43 | -7.83 | 机构专用 | 国泰海通证券股份有限公司天津新开路证券营业 部 | | 5.00 | 722.15 | 144.43 | -7.83 | 机构专用 | 国泰海通证券股份有限公司天津新开路证券营业 部 | 华海清科12月22日大宗交易平台共发生3笔成交，合计成交量55.00万股，成交金额7943.65万元。成交价 格均为144.43元，相对今日收盘价折价7.83%。从参与大宗交易营业部来看，机构专用席位共出现在3笔 成交的买方或卖方营业部中，合计成交金额为794 ...

12月22日，华海清科大宗交易成交55万股，成交额7943.65万元，占当日总成交额的6.17%，成交价 144.43元，较市场收盘价156.7元折价7.83%。 ...

Core Insights - The company has successfully delivered over 800 CMP equipment units, covering major product lines such as logic, 3D NAND storage, and DRAM storage, while also entering advanced sectors like large silicon wafers and third-generation semiconductors [1] - The recognition of the company's technology, product maturity, and market adaptability has strengthened its position as a leading domestic CMP equipment provider [1] Group 1 - The company's CMP equipment has achieved full coverage and mass application in domestic mainstream integrated circuit manufacturing lines, enhancing its market recognition and industry influence [1] - The company believes that breakthroughs in domestic AI technology will drive opportunities in advanced packaging and chip stacking technologies, expanding the market growth potential [2] - The synergy between CMP equipment and other products like thinning, cutting, and edge grinding equipment will provide comprehensive solutions for advanced packaging and chip stacking [2] Group 2 - The company plans to continue focusing on independent innovation and increasing R&D investment, targeting advancements in process technology and product performance [2] - The company reported a revenue of 3.194 billion yuan for the first three quarters of 2025, a year-on-year increase of 30.28%, and a net profit of 791 million yuan, up 9.81% year-on-year [3] - New product breakthroughs are expected by Q3 2025, including the first 12-inch low-temperature ion implanter and the mass shipment of 12-inch wafer edge trimming equipment [3]