Core Viewpoint - The company announced that several directors and senior management personnel plan to reduce their shareholdings due to personal financial needs [1] Summary by Relevant Categories Shareholding Reduction - Ms. Li Yansha holds 24,300 shares, accounting for 0.0272% of the total share capital, and plans to reduce her holdings by no more than 6,075 shares, which is 0.0068% of the total share capital [1] - Ms. Zhang Sha holds 9,800 shares, representing 0.011% of the total share capital, and intends to reduce her holdings by no more than 2,450 shares, equating to 0.00275% of the total share capital [1] - Mr. Zhang Tong holds 13,700 shares, making up 0.0154% of the total share capital, and plans to reduce his holdings by no more than 3,425 shares, which is 0.00385% of the total share capital [1] - The reduction period is set for three months following the announcement, within fifteen trading days [1]

证券代码：300321 证券简称：同大股份 公告编号：2025-034 | 姓名 | 职务 | 持股数量（股） | 占公司总股本比例(%) | | --- | --- | --- | --- | | 李艳霞 | 董事、副总经理、 | 24,300 | 0.0272 | | | 财务总监 | | | | 张莎 | 董事、董事会秘 | 9,800 | 0.0110 | | | 书 | | | | 张通 | 副总经理 | 13,700 | 0.0154 | 山东同大海岛新材料股份有限公司 部分董事减持计划预披露公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假记 载、误导性陈述或重大遗漏。 特别提示： 1、持有公司股份 24,300 股（占本公司总股本比例 0.0272%）的董事、高级 管理人员李艳霞女士计划在本公告披露之日起十五个交易日后的三个月内以集 中竞价方式减持公司股份不超过 6,075 股（占本公司总股本比例 0.00680%）。 2、持有公司股份 9,800 股（占本公司总股本比例 0.0110%）的董事、高级 管理人员张莎女士计划在本公告披露之日起十五个交易日后的三个月内以集中 ...

财务报表中对有大幅变动的财务项目的原因说明如下： 据证券之星公开数据整理，近期同大股份（300321）发布2025年中报。截至本报告期末，公司营业总收 入1.95亿元，同比上升1.41%，归母净利润838.53万元，同比下降8.11%。按单季度数据看，第二季度营 业总收入1.02亿元，同比下降4.83%，第二季度归母净利润549.22万元，同比下降29.18%。本报告期同 大股份公司应收账款体量较大，当期应收账款占最新年报归母净利润比达1166.44%。 本次财报公布的各项数据指标表现一般。其中，毛利率15.34%，同比增11.11%，净利率4.29%，同比减 9.39%，销售费用、管理费用、财务费用总计1160.98万元，三费占营收比5.95%，同比增28.86%，每股 净资产7.11元，同比增0.61%，每股经营性现金流-0.25元，同比减30.24%，每股收益0.09元，同比减 8.17% | 项目 | 2024年中报 | 2025年中报 | 同比增幅 | | --- | --- | --- | --- | | 营业总收入(元) | 1.93 Z | 1.95 | 1.41% | | 归母净利润(元) ...

Group 1 - The company, Tongda Co., Ltd. (300321), reported a revenue of 195 million yuan for the first half of 2025, representing a year-on-year increase of 1.41% [1] - The net profit for the same period was 8.3853 million yuan, showing a year-on-year decrease of 8.11% [1] - The basic earnings per share (EPS) were reported at 0.0944 yuan, with a weighted average return on equity (ROE) of 1.33% [1]

Core Insights - Company reported a total operating revenue of 195 million yuan, an increase of 2.71 million yuan compared to the same period last year, marking a year-on-year growth of 1.41% [1] - Net profit attributable to shareholders was 8.39 million yuan, a decrease of 740,300 yuan from the same period last year, reflecting a year-on-year decline of 8.11% [1] - The company experienced a net cash outflow from operating activities of 22.58 million yuan, a decrease of 5.24 million yuan compared to the same period last year [1] Financial Ratios - The latest debt-to-asset ratio stands at 6.08%, down 1.18 percentage points from the previous quarter and down 2.47 percentage points from the same period last year [1] - The latest gross profit margin is 15.34%, a decrease of 0.16 percentage points from the previous quarter but an increase of 1.53 percentage points year-on-year, achieving two consecutive years of growth [1] - The latest return on equity (ROE) is 1.33%, a decrease of 0.13 percentage points compared to the same period last year [1] Earnings Per Share and Turnover Ratios - The diluted earnings per share is 0.09 yuan, a decrease of 0.01 yuan compared to the same period last year, reflecting a year-on-year decline of 8.17% [2] - The latest total asset turnover ratio is 0.29 times, remaining flat compared to the same period last year, with a year-on-year increase of 1.34% [2] - The latest inventory turnover ratio is 1.29 times, a decrease of 0.03 times compared to the same period last year, reflecting a year-on-year decline of 2.47% [2] Shareholder Information - The number of shareholders is 5,546, with the top ten shareholders holding 51.13 million shares, accounting for 57.58% of the total share capital [3]

《2025 年半年度报告》及 摘要于 2025 年 8 月 26 日披露于巨潮资讯网 （www.cninfo.com.cn）。 证券代码：300321 证券简称：同大股份 公告编号：2024-031 表决情况：同意 3 票，反对 0 票，弃权 0 票。表决结果：通过。 特此公告。 山东同大海岛新材料股份有限公司 第六届监事会第十一次会议决议公告 本公司及监事会全体成员保证信息披露的内容真实、准确、完整，没有虚假记载、 误导性陈述或重大遗漏。 山东同大海岛新材料股份有限公司（以下简称"公司"）第六届监事会第十 一次会议于 2025 年 8 月 25 日在公司会议室以现场方式召开，会议通知以书面及 电子邮件方式于 2025 年 8 月 14 日发出。会议应到监事 3 人，实到监事 3 人，董 事会秘书列席了会议。本次会议由监事会主席张进进先生主持，会议的召集、召 开程序符合《公司法》及《公司章程》的相关规定。经与会监事讨论审议，本次 会议形成如下决议： 审议通过《关于<2025 年半年度报告>及摘要的议案》 经审议，监事会认为：公司《2025 年半年度报告》及摘要的编制和审核符 合法律法规和相关制度的有关规定，报 ...

证券日报网讯 8月25日晚间，同大股份发布公告称，2025年半年度公司实现营业收入195，277，288.60 元，同比增长1.41%；归属于上市公司股东的净利润为8，385，329.33元，同比下降8.11%。 （文章来源：证券日报） ...

Core Viewpoint - The company, Tongda Co., announced the approval of a proposal during the 12th meeting of its sixth board of directors on the evening of August 25 [2] Group 1 - The board meeting focused on the review and approval of a specific proposal and its summary [2]

证券日报网讯 8月25日晚间，同大股份发布公告称，公司第六届监事会第十一次会议审议通过了《关于 及摘要的议案》。 （文章来源：证券日报） ...

每经AI快讯，同大股份（SZ 300321，收盘价：34.95元）8月25日晚间发布半年度业绩报告称，2025年 上半年营业收入约1.95亿元，同比增加1.41%；归属于上市公司股东的净利润约839万元，同比减少 8.11%；基本每股收益0.0944元，同比减少8.17%。 （记者 张喜威） 每经头条（nbdtoutiao）——A股成交连续8天破2万亿元，券商招聘也来了！行业巨头秋招"求才"，25个 岗位都有什么特点？ 截至发稿，同大股份市值为31亿元。 ...