Group 1 - The core point of the article is that Mr. Lu Xinchun has reduced his shareholding in Huahai Qingke (688120.SH) by 3.3156 million shares, which represents 0.9375% of the company's total share capital of 354 million shares, and this reduction plan has been terminated early [1] Group 2 - The share reduction was executed through block trading [1] - The total share capital of the company is 354 million shares [1] - The reduction in shareholding occurred as of December 23, 2025 [1]

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]

Summary of Key Points Core Viewpoint - Huahai Qingke (688120.SH) announced the early termination of a share reduction plan by Mr. Luxinchun, who has reduced his holdings by 3.3156 million shares, accounting for 0.9375% of the company's total share capital of 354 million shares [1] Group 1 - The share reduction was executed through block trading [1] - The total number of shares reduced represents a small fraction of the company's overall equity [1] - The early termination of the reduction plan indicates a potential change in the shareholder's strategy or market conditions [1]

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 ...

Core Viewpoint - The announcement from Huahai Qingke indicates a significant reduction in shareholding by shareholder Lu Xinchun, which may impact the company's stock performance and investor sentiment [1] Group 1: Shareholder Reduction - Shareholder Lu Xinchun originally held 20.998 million shares, representing 5.9375% of the total shares [1] - The planned reduction period is from December 11, 2025, to March 10, 2026, with a maximum reduction of 3.5341 million shares, equating to 1.00% [1] - As of December 23, 2025, Lu Xinchun has already reduced holdings by 3.3156 million shares, which is 0.9375%, at a transaction price of 144.43 yuan per share, totaling a transaction amount of 479 million yuan [1] Group 2: Post-Reduction Holdings - After the reduction, Lu Xinchun's remaining shares amount to 17.6824 million, which is 4.9999% of the total shares, thus falling below the 5% threshold [1]

Group 1 - The core transaction involved Huahai Qingke, with a total of 517,100 shares traded on December 23, amounting to 74.6848 million yuan, which represented 5.66% of the total trading volume for that day [1] - The transaction price was 144.43 yuan per share, reflecting a discount of 9.62% compared to the market closing price of 159.8 yuan [1]

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].

Group 1 - The core point of the article is that Huahai Qingke conducted three block trades on December 22, totaling 794.365 million yuan with a transaction price of 144.43 yuan, which is a discount of 7.83% compared to the closing price [1] - The total trading volume for the three transactions was 550,000 shares, with institutional special seats participating in all trades, resulting in a net purchase of 794.365 million yuan [1] - Over the past three months, Huahai Qingke has seen a total of 33 block trades amounting to 404 million yuan [2] Group 2 - On December 22, Huahai Qingke's closing price was 156.70 yuan, reflecting a 3.02% increase, with a daily turnover rate of 2.20% and a total transaction amount of 1.208 billion yuan [2] - The stock experienced a net inflow of 60.9134 million yuan in main funds for the day, while over the past five days, the stock has increased by 0.89% but saw a total net outflow of 186 million yuan [2] - The latest margin financing balance for Huahai Qingke is 1.281 billion yuan, which has increased by 33.7395 million yuan over the past five days, representing a growth of 2.70% [2]

Group 1 - On December 22, Huahai Qingke conducted a block trade of 550,000 shares, with a transaction value of 79.4365 million yuan, accounting for 6.17% of the total transaction volume for the day [1] - The transaction price was 144.43 yuan, representing a discount of 7.83% compared to the market closing price of 156.7 yuan [1]