杭州格林达电子材料股份有限公司 简式权益变动报告书 股票上市地点： 上海证券交易所 股票简称： 格林达 股票代码： 603931 信息披露义务人： 宁波聚合创业投资基金合伙企业（有 限合伙） 公司住所： 浙江省宁波市北仑区新碶街道兴业大 道 8 号 4 号楼 131 室 通讯地址： 浙江省宁波市北仑区新碶街道兴业大 道 8 号 4 号楼 131 室 权益变动性质： 信息披露义务人减持股份 签署日期：2026 年 3 月 6 日 上市公司名称： 杭州格林达电子材料股份有限公司 信息披露义务人声明 一、 本报告书系信息披露义务人依据《中华人民共和国公司法》《中华人 民共和国证券法》《上市公司收购管理办法》《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》及相关法律、法规和规范性文 件编写。 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章程或内部规则中的任何条款。 三、 依据《中华人民共和国证券法》《上市公司收购管理办法》的规定， 本报告书已全面披露了信息披露义务人在杭州格林达电子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 ...

证券代码：603931 证券简称：格林达 公告编号：2026-003 杭州格林达电子材料股份有限公司 关于持股 5%以上股东权益变动触及 1%和 5%刻度 暨披露简式权益变动报告书的提示性公告 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。 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 | | --- | --- | --- | --- | | | □ | 控股股东/实控人 | | | 宁波聚合创业投资基 | □ | 控股股东/实控人的一致 | 91330201071451255R ☑ | | 金合伙企业（有限合 | 行动人 | | | | 伙） | | | □ 不适用 | | | ☑ | 其他 ...

Group 1 - The core point of the announcement is that Ningbo Polymeric Venture Capital Partnership (Limited Partnership) has reduced its shareholding in Hangzhou Glinda Electronic Materials Co., Ltd. from 16.87% to 16.00%, which constitutes a change in equity that touches the 1% threshold [2][3] - The reduction in shareholding does not lead to any change in the controlling shareholder or actual controller, nor does it significantly impact the company's governance structure or ongoing operations [2][3] - The share reduction was conducted through centralized bidding transactions and does not involve a tender offer or the need for an equity change report [2][3] Group 2 - The equity change complies with the relevant laws and regulations, including the Securities Law of the People's Republic of China and the Management Measures for the Acquisition of Listed Companies, and there are no violations of commitments [2] - The company will continue to urge the information disclosure obligor to strictly adhere to the regulations regarding share changes and to timely disclose relevant information to investors [2]

证券代码：603931 证券简称：格林达 公告编号：2026-002 杭州格林达电子材料股份有限公司 关于持股 5%以上股东权益变动触及 1%刻度的 提示性公告 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 | | --- | --- | --- | --- | | | □ | 控股股东/实控人 | | | 宁波聚合创业投资基 | □ | 控股股东/实控人的一致 | 91330201071451255R ☑ | | 金合伙企业（有限合 | 行动人 | | | | 伙） | | | □ 不适用 | | | ☑ | 其他直接持股股东 | | 上述减持主体无一致行动人。 重要内容提示： 权益变动方向 比例增加 ...

Group 1 - The core transaction involved 208,000 shares of Grinda, with a total transaction value of 6.0778 million yuan, accounting for 2.47% of the total trading volume on that day [1] - The transaction price was 29.22 yuan, which represents a discount of 14.56% compared to the market closing price of 34.2 yuan [1] Group 2 - The transaction date was January 30, 2026, and the stock code for Grinda is 603931 [2] - The buying brokerage involved in the transaction was identified as "送書攝聲劈毀意題," while the selling brokerage was "送需要帮助发" [2]

Group 1 - The core point of the article is that Glinda (603931.SH) experienced a 6% decline in its stock price, closing at 34.16 yuan, with a total market value of 6.8 billion yuan [1] - Glinda announced a share reduction plan where shareholder Ningbo Polymer Venture Capital Fund Partnership (Limited Partnership) intends to reduce its holdings by no more than 5.9867 million shares, representing up to 3% of the company's total share capital [1] - The company has issued share reduction plan announcements three times in the past three years [1]

Group 1 - Dongtong Tui (formerly Dongfang Tong) officially delisted from the stock exchange on January 22, 2026, due to financial fraud, having inflated revenue by 432 million and profit by 314 million from 2019 to 2022 [1][17] - The stock price at delisting was 1.72 yuan, a decline of over 96% from its historical high of 43 yuan, affecting approximately 46,000 shareholders [1][17] - The company may transition to the "old three boards" for trading, where liquidity is low and further price declines are expected [1][12] Group 2 - ST Asia Pacific announced an expected loss of 51.46 million yuan for 2025, marking its third consecutive year of losses, with a negative net asset value of 0.318 yuan per share [4][14] - ST Changyao's stock has been below 1 yuan for 15 consecutive trading days, with a market value of 223 million yuan, facing imminent delisting risks due to financial misconduct [4][18] - ST Aowei's stock has experienced 25 consecutive trading days of declines, with a market value currently at 281 million yuan, indicating a high likelihood of delisting [6][18] Group 3 - A significant wave of share reductions occurred on January 21, with 23 companies announcing plans to reduce holdings, including 7 companies with reductions exceeding 3% of total shares [6][12] - Notable reductions include Wentai Technology planning to reduce 3739.95 million shares (3% of total shares) for an estimated amount of 1.517 billion yuan, and Jingchen Co. planning to reduce 1310 million shares (3.11% of total shares) for approximately 1.219 billion yuan [8][10] - The market is witnessing a divergence, with some stocks reaching new highs while others, particularly those at risk of delisting, continue to decline [12][14]

Core Viewpoint - The major shareholder of Hangzhou Grinda Electronic Materials Co., Ltd. plans to reduce its stake in the company due to personal funding needs, which may impact the stock price and investor sentiment [1][6]. Group 1: Shareholder Information - The major shareholder, Ningbo Polymer Venture Capital Investment Fund Partnership (Limited Partnership), holds 33,667,723 shares, accounting for 16.87% of the total shares [1]. - The shares held by the major shareholder are all tradable and were acquired prior to the company's initial public offering and through capital reserve conversion [1]. Group 2: Reduction Plan Details - The shareholder intends to reduce up to 5,986,700 shares, which is no more than 3% of the total share capital, through centralized bidding or block trading on the Shanghai Stock Exchange [1][2]. - The reduction period will commence 15 trading days after the announcement and will last for three months [3]. Group 3: Compliance and Commitments - The shareholder has complied with the relevant regulations regarding the reduction of shares and has no other arrangements that would affect the reduction plan [2][4]. - The shareholder has made commitments regarding the holding period and reduction methods, ensuring adherence to legal and regulatory requirements [5].

Summary of Key Points Core Viewpoint - On January 21, a total of 21 A-share listed companies disclosed their shareholding changes, with notable buybacks and reductions in shareholdings by various stakeholders [1][3]. Group 1: Buyback Information - Aotai Biological plans to repurchase company shares worth between 100 million to 200 million yuan [2][4]. Group 2: Shareholding Reductions - Shenzhan Optoelectronics: Shareholder Songbao Investment intends to reduce holdings by no more than 1% [2][4]. - Hengshuai Co., Ltd.: Actual controller Yu Guomei and associated parties plan to reduce holdings by no more than 2.83% [2][4]. - Weining Health: Senior management member Wang Li plans to reduce holdings by no more than 0.0128% [2][4]. - Deepwater Haina: Shareholder Li Qin and associated parties plan to reduce holdings by no more than 1.92% [2][4]. - Xiangyuan New Materials: Shareholders Hubei Gaotou and Liangke Gaotou plan to reduce holdings by no more than 1.68% [2][4]. - Hongxing Co., Ltd.: Executives Liu Genxiang and Cheng Shengxiang plan to reduce holdings by no more than 0.06% [2][4]. - Kalait: Controlling shareholders plan to reduce holdings by no more than 3% [2][4]. - Glinda: Shareholder Juhe Investment plans to reduce holdings by no more than 3% [2][4]. - Fushi Holdings: Directors and executives plan to reduce holdings by no more than 0.04% [2][4]. - Xinxinda: Shareholders plan to reduce holdings by no more than 3% [2][4]. - Dongjian Technology: Shareholder and director Ma Huiyang plans to reduce holdings by no more than 2.56% [2][4]. - Yayi Technology: Shareholder Qinyi Partnership plans to reduce holdings by no more than 0.1846% [2][4]. - Jingrui Electric Materials: Controlling shareholder Xinyin International plans to reduce holdings by no more than 2% [2][4]. - Xueqi Electric: Shareholder Zhi Dao Investment plans to reduce holdings by no more than 3% [2][4]. - Blue Arrow Electronics: Shareholder Yin Shengyu reduced holdings by 2.3995 million shares from January 16 to January 20 [2][4]. - Wentai Technology: Zhuhai Ronglin and associated parties plan to reduce holdings [2][4]. - Tianwang Electric: Controlling shareholders plan to reduce holdings by no more than 1.09% [2][4]. - Beifang Navigation: Chairman Li Haitao plans to reduce holdings by no more than 31,100 shares [2][4]. - Huada New Materials: Shareholders plan to reduce holdings by no more than 1.46% [2][4]. - Yong'an Futures: Shareholder Zhejiang Dongfang plans to reduce holdings by no more than 3% [2][4]. - Xinjie Electric: Senior management member Guo Zhiqiang plans to reduce holdings by no more than 0.41% [2][4].

Group 1 - The core announcement is regarding the share reduction plan by the shareholder Ningbo Polymer Venture Capital Partnership, which holds 33,667,723 shares, accounting for 16.87% of the total shares of the company [1] - The shareholder intends to reduce its holdings by up to 5,986,700 shares, which represents no more than 3% of the company's total share capital [1] - The reduction will be executed through the Shanghai Stock Exchange trading system within three months after the announcement, starting 15 trading days post-announcement [1]