证券代码：688201 证券简称：信安世纪 公告编号：2025-049 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： 大股东及董监高持有的基本情况 本次减持前，公司控股股东、实际控制人之一、董事、高级管理人员、核心 技术人员王翊心持有公司股份 28,203,590 股，占公司总股本的比例为 8.89%,来 源于公司首次公开发行前及公司上市后资本公积转增股本取得的股份，已于 2024 年 4 月 21 日起上市流通。 减持计划的实施结果情况 公司于 2025 年 7 月 25 日在上海证券交易所网站（www.sse.com.cn）披露了 《股东及董事、高级管理人员减持股份计划公告》（公告编号：2025-029），公司 控股股东、实际控制人之一、董事、高级管理人员、核心技术人员王翊心计划拟 自本公告披露日起 15 个交易日后的 3 个月内，通过集中竞价方式、大宗交易方 式合计减持股份数量不超过 7,050,000 股，减持股份比例不超过公司总股本的 2.22%。其中拟通过集中竞价交易方式减持股份数 ...

Core Points - The announcement from Xinan Century indicates that the major shareholder and actual controller, Wang Yixin, held 28,203,590 shares, representing 8.89% of the total share capital before the reduction [1] - As of November 14, 2025, Wang Yixin completed a share reduction plan, selling a total of 3,171,538 shares through centralized bidding, which is 1.00% of the total share capital, and 3,518,048 shares through block trading, which is 1.11% of the total share capital [1]

Core Insights - The company Xinan Century (688201.SH) announced the completion of a share reduction plan by shareholder Wang Yixin, who has reduced his holdings in the company [1] Summary by Category - **Share Reduction Details** - Wang Yixin has cumulatively reduced his holdings by 3,171,538 shares through centralized bidding, representing 1.00% of the company's total share capital [1] - Additionally, he reduced his holdings by 3,518,048 shares through block trading, accounting for 1.11% of the company's total share capital [1] - The share reduction plan has been fully implemented as of November 14, 2025 [1]

格隆汇11月14日丨信安世纪(688201.SH)公布，公司于2025年11月14日收到股东王翊心出具的《关于减 持计划完成暨减持股份结果的告知函》，截至2025年11月14日收盘，王翊心通过集中竞价方式累计减持 了公司股份3,171,538股，占公司总股本1.00%，通过大宗交易方式减持了公司股份3,518,048股，占公司 总股本的1.11%，减持计划实施完毕。 ...

信安世纪公告，公司控股股东、实际控制人之一王翊心减持计划已完成，2025年9月1日～2025年11月14 日合计减持668.96万股，占公司总股本2.11%，其中集中竞价317.15万股、大宗交易351.8万股，减持价 格区间13.5～15.79元/股，减持总金额9737.04万元；目前持股2151.4万股，占6.78%，未超过原计划上限 705万股、2.22%。 ...

Core Viewpoint - The company is actively advancing research in post-quantum cryptography algorithms and has developed several related products, indicating a commitment to enhancing information security in various industries [1] Group 1: Research and Development - The company has made significant progress in researching key technologies related to post-quantum cryptography and has obtained relevant patents [1] - Multiple post-quantum cryptography algorithm products have been completed, showcasing the company's innovation in this field [1] Group 2: Industry Applications - The company is exploring the application of post-quantum cryptography technology across various sectors, including banking, securities, insurance, and telecommunications [1] - Collaborations with over 20 clients have been established for the replacement and migration pilot projects of post-quantum cryptography algorithms [1] Group 3: Future Outlook - Although the revenue from post-quantum cryptography remains small, the company emphasizes its potential importance as quantum computing technology continues to develop [1] - The company plans to continue research on post-quantum cryptography, including tracking the progress of standard solicitation, product iteration, and pilot projects [1]

Core Viewpoint - Quantum computing poses a significant threat to existing cryptographic systems in areas such as cross-border payments, data security, and blockchain applications [1] Group 1: Company Insights - The company is actively investing in post-quantum cryptography research and product validation [1] - There are currently no plans for mergers and acquisitions [1] Group 2: Industry Implications - Quantum communication and post-quantum cryptography are being piloted to enhance cross-border payments and data security, but large-scale application has not yet been achieved [1]

北京信安世纪科技股份有限公司 2025 年第三次临时股东会会议资料 北 京 信 安 世 纪 科 技 股 份 有 限 公 司 2025 年第三次临时股东会会议资料 股票简称：信安世纪 股票代码：688201 2025 年 11 月 1 北京信安世纪科技股份有限公司 2025 年第三次临时股东会会议资料 北京信安世纪科技股份有限公司 会议资料目录 | 2025 年第三次临时股东会须知 3 | | --- | | 2025 年第三次临时股东会会议议程 5 | | 2025 年第三次临时股东会会议议案 7 | | 议案一：《关于延长公司向不特定对象发行可转换公司债券股东大会决议有效期的议案》 7 | | 议案二：《关于提请股东会延长授权董事会办理本次向不特定对象发行可转换公司债券具体事宜 | | 有效期的议案》 8 | | 议案三：《关于修订<对外投资管理制度>的议案>》 9 | 北京信安世纪科技股份有限公司 2025 年第三次临时股东会须知 为了维护全体股东的合法权益，确保股东会的正常秩序和议事效率，保证会 议的顺利进行，根据《中华人民共和国公司法》、《中华人民共和国证券法》、中 国证监会《上市公司股东会规则》以及 ...

Core Viewpoint - The recent block trading activity of Xinan Century indicates significant institutional interest, with a total transaction volume of 1.286 million shares and a transaction value of approximately 17.49 million yuan, reflecting a discount of 18.22% compared to the closing price on the same day [2][3]. Trading Activity Summary - On October 31, Xinan Century had 7 block trades with a total volume of 1.286 million shares and a total transaction value of 17.49 million yuan, all at a price of 13.60 yuan per share [2]. - The closing price for Xinan Century on the same day was 16.63 yuan, which represented a decline of 1.77% [2]. - The stock experienced a turnover rate of 11.89% and a total trading volume of 612 million yuan, with a net outflow of 68.59 million yuan in main capital [2]. - Over the past 5 days, the stock has increased by 18.70%, but there has been a cumulative net outflow of 92.17 million yuan [2]. Institutional Participation - Institutional specialized seats were involved in 3 of the block trades, with a total transaction value of 7.43 million yuan, indicating a net purchase of 7.43 million yuan [2]. - In the last 3 months, Xinan Century has recorded a total of 14 block trades with a cumulative transaction value of 47.79 million yuan [2]. Margin Financing Data - The latest margin financing balance for Xinan Century is 193 million yuan, which has increased by 58.68 million yuan over the past 5 days, representing a growth rate of 43.54% [3].

Core Insights - On October 31, Xinan Century executed a block trade of 1.286 million shares, amounting to 17.4896 million yuan, which represented 2.78% of the total trading volume for the day [1] - The transaction price was 13.6 yuan, reflecting an 18.22% discount compared to the market closing price of 16.63 yuan [1] Summary by Category Trading Activity - The block trade involved a total of 1.286 million shares at a price of 13.6 yuan per share [1] - The total transaction value was 17.4896 million yuan [1] Price Comparison - The executed price of 13.6 yuan was significantly lower than the market closing price of 16.63 yuan, indicating a substantial discount of 18.22% [1] Institutional Participation - Multiple institutional buyers participated in the trade, with various amounts and volumes recorded [2] - Notable buyers included specialized institutions and securities firms, indicating strong institutional interest in the stock at the discounted price [2]