证券日报网12月18日讯艾森股份在回答调研者提问时表示，受益于行业需求的持续增长和公司市场份额 的稳步提升，公司在手订单充足，产能利用率保持中高位运行。未来产值依赖于客户的实际需求以及所 承接的具体产品类型，公司将保持灵活的产能策略，以客户需求为导向动态调整资源投入。 ...

证券日报网12月18日讯艾森股份在回答调研者提问时表示，目前，公司正性PSPI光刻胶已在部分客户实 现小批量交付，并同步推进多家头部晶圆厂的验证工作。此外公司超高感度PSPI和低温固化负性PSPI 等产品也处于客户端验证阶段，以适配不同技术需求。 （文章来源：证券日报） ...

Core Viewpoint - The company, Aisen Co., Ltd. (688720.SH), is benefiting from sustained industry demand and a steady increase in market share, leading to a robust order backlog and high capacity utilization [1] Group 1: Company Performance - The company has sufficient orders on hand and maintains a mid-to-high capacity utilization rate [1] - The positive PSPI photoresist has been delivered in small batches to some customers, while validation work is ongoing with several leading wafer fabs [1] Group 2: Product Development - The company is advancing the validation of ultra-sensitive PSPI and low-temperature curing negative PSPI products to meet various technical requirements [1]

Group 1 - The core point of the article highlights the performance of Aisen Co., which saw a decline of 2.96% on December 18, closing at 60.33 yuan, with a significant block trade occurring [1] - A total of 77,100 shares were traded in the block transaction, amounting to 3.8396 million yuan, with a discount rate of -17.45% [1] - The buyer was Dongfang Caifu Securities Co., Ltd., while the seller was Huatai Securities Co., Ltd. [1] Group 2 - Over the past three months, Aisen Co. has recorded five block trades with a cumulative transaction value of 40.2058 million yuan [1] - In the last five trading days, the stock has increased by 13.15%, although there has been a net outflow of 41.4666 million yuan from the main funds [1]

Group 1 - The core transaction of Aiyin Co., Ltd. involved a block trade of 77,100 shares, amounting to 3.8396 million yuan, which represented 1.14% of the total trading volume for the day [1] - The transaction price was 49.8 yuan per share, reflecting a discount of 17.45% compared to the market closing price of 60.33 yuan [1]

本公司董事会及全体董事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： 本次权益变动系江苏艾森半导体材料股份有限公司（以下简称"公司"） 部分核心技术人员将其通过宁波艾龙创业投资合伙企业（有限合伙）（以下简称 "宁波艾龙"）间接持有的公司股份变更为其本人直接持有，不涉及向市场增持 或减持公司股份的情况； 本次权益变动系该核心技术人员基于对公司未来长期发展的信心，同时 为了更加严格、有效地履行股份锁定承诺进行； 本次权益变动不会导致公司控股股东或实际控制人发生变化，不触及要 约收购。 证券代码：688720 证券简称：艾森股份 公告编号：2025-081 江苏艾森半导体材料股份有限公司 关于部分核心技术人员持股方式发生变动的公告 三、本次权益变动的目的及合规性 基于对公司未来长期发展的信心，同时为了更加严格、有效地履行股份锁定 承诺，胡青华先生通过大宗交易方式受让其通过宁波艾龙间接持有的公司股份。 公司上市时，核心技术人员承诺如下： "一、自发行人股票上市之日起 12 个月内和本人离职后 6 个月内，本人不 转让或者委托他人管理本人 ...

江苏艾森半导体材料股份有限公司 关于变更签字注册会计师的公告 本公司董事会及全体董事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： 江苏艾森半导体材料股份有限公司（以下简称"公司"）2025 年度财务 报告和内部控制审计机构仍然为上会会计师事务所（特殊普通合伙）（以下简称 "上会事务所"），未发生变更； 本次签字注册会计师变动系因上会事务所业务团队整体安排，上会事务 所指派周思艺接替张扬作为签字注册会计师，继续完成公司 2025 年度财务报告 和内部控制审计相关工作； 证券代码：688720 证券简称：艾森股份 公告编号：2025-082 二、本次变更的签字注册会计师信息 （一）基本信息 （1）变更后项目合伙人、签字注册会计师：耿磊，1995 年成为中国注册会 计师，1993 年开始从事上市公司审计，1995 年开始在上会事务所执业，从 2023 年开始为本公司提供审计服务，担任公司签字注册会计师，近 3 年签署过 6 家上 市公司审计报告，从事上市公司年审、IPO 申报审计、重组改制等专业服务已逾 29 年，具有丰富的证券服务 ...

艾森股份公告，近日，公司核心技术人员、研发总监胡青华先生于2025年12月18日以大宗交易方式受让 其原通过宁波艾龙间接持有的公司股份77100股。本次权益变动系相关人员将其持有的本公司部分股份 的持股方式由间接持有变更为直接持有，不涉及向市场增持或减持公司股份的情况。 ...

Core Viewpoint - The trading activity of Aisen Co., Ltd. on December 17 indicates significant transactions at a discount compared to the closing price, reflecting market dynamics and investor sentiment [2][3]. Group 1: Trading Activity - On December 17, Aisen Co., Ltd. recorded four block trades totaling 718,700 shares, with a total transaction value of 36.3662 million yuan [2]. - The transaction price was 50.60 yuan per share, representing an 18.61% discount relative to the closing price of the day [2]. - Over the past three months, the stock has seen six block trades with a cumulative transaction value of 40.377 million yuan [2]. Group 2: Stock Performance - The closing price of Aisen Co., Ltd. on the same day was 62.17 yuan, marking a decline of 1.68% [2]. - The stock's turnover rate for the day was 12.44%, with a total trading volume of 432 million yuan [2]. - In the last five days, the stock has appreciated by 15.34%, despite a net outflow of 37.5846 million yuan in funds [2]. Group 3: Financing Data - The latest margin financing balance for Aisen Co., Ltd. is 276 million yuan, which has increased by 30.8675 million yuan over the past five days, reflecting a growth rate of 12.61% [3]. - Aisen Co., Ltd. was established on March 26, 2010, with a registered capital of 88.13334 million yuan [3].

Core Insights - A total of 19 stocks on the Sci-Tech Innovation Board (STAR Market) experienced block trading on December 17, with a cumulative transaction value of 401 million yuan [1][2]. Trading Overview - The highest transaction value was recorded for Tuojing Technology, with 2 block trades totaling 300,000 shares and a transaction amount of 100 million yuan. Other notable transactions included Huahai Qingshi and Xinghuan Technology, with transaction amounts of 63.68 million yuan and 48.36 million yuan respectively [1][2]. - The average discount rate for block trades relative to the closing price was highest for Kangxi Communication, Aisen Co., and Anbotong, with discount rates of 19.93%, 18.61%, and 15.00% respectively. The only stock with a premium was Haosen Intelligent, with a premium rate of 0.57% [1][2]. Market Performance - The STAR 50 Index rose by 2.47% on the same day, with 459 stocks (76.88%) on the STAR Market experiencing price increases. The average increase for stocks involved in block trading was 0.85%, with the largest gains seen in Xinghuan Technology, Dekeli, and Lankai Technology, which rose by 5.71%, 4.28%, and 3.28% respectively. Conversely, Guobo Electronics, Aisen Co., and Ao Precision Medical saw declines of 2.45%, 1.68%, and 1.16% respectively [1][2]. Institutional Participation - Among the block trades, 12 transactions involved institutional buyers or sellers, covering 8 stocks. The leading stocks for institutional purchases were Tuojing Technology, Xinghuan Technology, and Aojie Technology, with purchase amounts of 100 million yuan, 48.36 million yuan, and 39.77 million yuan respectively. The primary stock sold by institutions was Guobo Electronics, with a selling amount of 5.02 million yuan [2][3]. Fund Flow Analysis - Of the stocks involved in block trading, 6 experienced net inflows of funds, with the highest net inflows recorded for Lankai Technology, Dekeli, and Xinghuan Technology, amounting to 116 million yuan, 91.76 million yuan, and 48.10 million yuan respectively. In contrast, Tuojing Technology, Huahai Qingshi, and Aisen Co. faced net outflows of 142 million yuan, 70.34 million yuan, and 47.92 million yuan respectively [2][3].