证券代码：688718 证券简称：唯赛勃 公告编号：2026-009 李娟女士，1987 年 4 月出生，中国国籍，无境外永久居留权，硕士研究生 学历，中国注册会计师、法律职业资格、国际注册管理会计师、国际注册会计师， 上海证券交易所主板和科创板董事会秘书资格。2013 年 10 月至 2016 年 5 月， 历任毕马威华振会计师事务所（上海分所）审计员、审计助理经理；2016 年 5 月至 2017 年 5 月，任光大证券股份有限公司投资银行部项目经理；2017 年 5 月 至 2019 年 3 月，任国新证券股份有限公司（原华融证券股份有限公司）投资银 行部业务副总经理；2019 年 3 月至 2019 年 9 月，任广东奥斯博膜材料技术有限 公司财务总监；2019 年 10 月至 2023 年 5 月，历任上海唯赛勃新材料股份有限 公司财务总监兼董事会秘书、董事、副总经理、董事长助理；2019 年 8 月至 2023 年 6 月，任唯赛勃环保设备有限公司董事；2023 年 6 月至 2023 年 10 月，任徐 工汉云信息技术股份有限公司董事会秘书兼财务总监；2023 年 10 月至 2025 年 3 ...

Group 1 - The core point of the announcement is that Shanghai Weisaibo New Materials Co., Ltd. has received a notice from its controlling shareholder, Weisaibo Environmental Materials Holdings Limited, regarding a reduction in shareholding that has triggered a 1% and 5% threshold [2][3] - The shareholding of Weisaibo Environmental Materials Holdings Limited and its concerted actors decreased from 65.01% to 64.93% after selling 137,000 shares between January 26 and January 27, 2026 [2][13] - This reduction is part of a previously disclosed plan and does not trigger a mandatory tender offer, nor does it change the controlling shareholder or actual controller of the company [3][12] Group 2 - The purpose of the share reduction is due to the funding needs of the information disclosure obligor [11] - The information disclosure obligor plans to reduce its holdings by up to 5,200,000 shares, which is 2.99% of the total share capital, within the next 12 months [11] - The shares sold in this transaction represent 0.08% of the total share capital of the company, which is 173,754,389 shares [13]

Group 1 - The core point of the article is that Weisaibo (688718.SH) announced a share reduction by its controlling entity, Weisaibo Environmental Materials Holdings Limited, through a block trade on the Shanghai Stock Exchange [1] - The share reduction occurred between January 26, 2026, and January 27, 2026, with a total of 137,000 shares being sold [1] - Following the reduction, the shareholding percentage of the information disclosure obligor and its concerted parties decreased from 65.01% to 64.93%, impacting their equity holdings by touching the integer multiples of 1% and 5% [1]

Group 1 - The core point of the article is that Weisaibo (688718.SH) has announced a share reduction by its controlling shareholder, Weisaibo Environmental Materials Holdings Limited, which took place between January 26 and January 27, 2026 [1] - The company disclosed that 137,000 shares were sold through the Shanghai Stock Exchange via centralized bidding [1] - Following the share reduction, the shareholding percentage of the information disclosure obligor and its concerted parties decreased from 65.01% to 64.93%, with their equity touching the integer multiples of 1% and 5% [1]

证券代码：688718 证券简称：唯赛勃 公告编号：2026-008 一、 信息披露义务人及其一致行动人的基本信息 1.身份类别 | | 控股股东/实际控制人及其一致行动人 | | --- | --- | | | □其他 5%以上大股东及其一致行动人 | | 投资者及其一致行动人的身份 | □合并口径第一大股东及其一致行动人（仅适用 | | | 于无控股股东、实际控制人） | | | □其他______________（请注明） | 2.信息披露义务人信息 | 信息披露义务人名称 | 投资者身份 | 统一社会信用代码 | | --- | --- | --- | | 唯赛勃环保材料控股 | 控股股东/实控人 | □ _____________ | 上海唯赛勃新材料股份有限公司 关于控股股东及其一致行动人权益变动触及 1%及 5% 刻度的提示性公告 投资者及其一致行动人保证向本公司提供的信息真实、准确、完整，没有虚假记 载、误导性陈述或重大遗漏。 本公司董事会及全体董事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： | 权益变动方向 | 比例增加□ | | 比例减少  | | --- | -- ...

上海唯赛勃新材料股份有限公司 简式权益变动报告书 上市公司名称：上海唯赛勃新材料股份有限公司 股票简称：唯赛勃 信息披露义务人一：唯赛勃环保材料控股有限公司 注册地址：香港九龙尖沙咀河内道5号普基商业中心19楼 信息披露义务人二：上海华加企业管理合伙企业（有限合伙） 注册地址：上海市青浦区外青松公路5045号510室C区47室 股份变动性质：信息披露义务人减持股份（权益变动触及5%刻度） 1 股票代码：688718 股票上市地点：上海证券交易所 信息披露义务人声明 一、信息披露义务人依据《中华人民共和国公司法》（以下简称《公司法》）、 《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》）及相关的法律、法规和规 范性文件编写本报告书。 签署日期：2026年1月27日 三、依据《证券法》《收购办法》《准则15号》的规定，本报告书已全面披 露信息披露义务人在上海唯赛勃新材料股份有限公司中拥有权益的股份变动情 况。 四、截至本报告书签署日，除本报告书披露的持股信息外，信息披 ...

Core Viewpoint - The company, Weisaibo Environmental Materials Holdings Limited, announced a reduction in its shareholding through a block trade, indicating a strategic move in its equity management [1] Group 1: Shareholding Changes - Weisaibo reduced its shareholding by 137,000 shares, which represents 0.08% of the total share capital [1] - Following this transaction, the combined shareholding of Weisaibo and its concerted party, Shanghai Huajia Enterprise Management Partnership (Limited Partnership), decreased from 65.01% to 64.93% of the total share capital [1]

Core Points - The company announced the resignation of Vice General Manager Cheng Haitao due to reaching retirement age, who will continue to provide consulting services as an advisor [2][3] - The company has appointed Fan Zhifeng as a new core technical personnel based on the needs of future core technology research and development [2][8] - The company's research and development operations are currently stable and normal, with a complete structure of the R&D team and sufficient backup personnel [8][9] Details of Personnel Changes - Cheng Haitao, the former core technical personnel, has a rich background in chemical engineering and has held various significant positions in academia and industry [4][5] - Cheng's departure will not affect the ongoing research projects or the integrity of the company's intellectual property rights [5][8] - The company has established confidentiality and non-competition agreements with Cheng to protect its interests [7] Impact on the Company - The company emphasizes the importance of its R&D personnel and has a well-established core technical team that is not overly reliant on any specific individual [8] - The number of R&D personnel as of the end of 2022, 2023, and 2024 were 82, 80, and 86 respectively, representing 18.38%, 16.74%, and 19.37% of the total workforce [8] - The adjustment of core technical personnel is not expected to have a significant adverse impact on the company's technological advantages or operational capabilities [8][9] Measures Taken - The company has ensured that all research work led by Cheng has been properly handed over and that R&D activities are proceeding smoothly [9] - Future plans include enhancing the training and recruitment of R&D personnel and optimizing assessment and incentive mechanisms to strengthen the R&D team [9]

Group 1 - The company announced that its Vice President, Cheng Haitao, has applied for resignation due to reaching retirement age and will continue to provide consulting services as an advisor [2] - The company has recognized Fan Zhifeng as a new core technical personnel [2]

每经头条（nbdtoutiao）——重磅数据公布：回升！专访徐洪才："内卷式竞争"得到一定缓解，下一 步"补收入"可形成良性循环 （记者 王瀚黎） 每经AI快讯，唯赛勃1月21日晚间发布公告称，公司第六届第一次董事会临时会议于2026年1月21日以 现场与通讯相结合的方式召开。会议审议了《关于聘任高级管理人员的议案》等文件。 ...