BioKangtai(SZ:300601) Hua Xia Shi Bao·2026-02-12 09:39Core Viewpoint - The recent announcement by Shenzhen Kangtai Biological Products Co., Ltd. regarding the termination of the concerted action agreement between its actual controllers, Du Weimin and Yuan Liping, has reignited concerns over the company's control stability and potential shareholder dilution following their high-profile divorce that split a market value of 23.5 billion yuan [3][5]. Group 1: Shareholder Dynamics - The termination of the concerted action agreement has resulted in Du Weimin's voting rights decreasing from 46.62% to 25.50%, while Yuan Liping now holds 17.07% [5]. - Yuan Liping has committed not to seek control of the company post-termination, aiming to alleviate market concerns regarding control instability [5]. - Since the divorce in 2020, Yuan Liping has reduced her holdings significantly, cashing out nearly 3 billion yuan, raising fears of further dilution of shares following the termination of the agreement [6]. Group 2: Operational Challenges - Kangtai Biological's core business includes the research, production, and sales of human vaccines, with key products such as the 13-valent pneumococcal polysaccharide conjugate vaccine and others [7]. - The company has faced significant operational challenges, including the resignation of a vice president and the termination of a joint venture with AstraZeneca, which was intended to invest approximately 2.76 billion yuan [8][10]. - The decision to terminate the joint venture was influenced by a rapidly changing market environment and increased risks associated with new investments in the vaccine industry [10]. Group 3: Financial Performance - Kangtai Biological's financial outlook is concerning, with a projected net profit for 2025 expected to decline by 63.80% to 75.70%, amounting to between 49 million and 73 million yuan [10]. - The company's performance has been volatile, with net profits peaking at 1.263 billion yuan in 2021, followed by a loss of 133 million yuan in 2022, and a recovery in 2023 and 2024, only to face another significant decline in 2025 [11]. - As of February 11, 2026, the company's stock price has plummeted nearly 90% from 146 yuan per share at the time of the divorce, reflecting a substantial decrease in valuation [11].