72岁樊绍文带欧林生物盈利，赴港IPO前高管们减持了

Core Viewpoint - The company, Olin Bio, a leading domestic producer of tetanus vaccines, has recently appeared on the Hong Kong Stock Exchange's queue for an IPO after terminating a 1.25 billion yuan A-share private placement due to "market conditions and development plans" [1]. Financial Performance - In its first year post-IPO in June 2021, Olin Bio achieved a net profit of 108 million yuan, becoming one of the few vaccine companies to turn a profit immediately after listing [1]. - Revenue from 2022 to 2024 showed a slight increase from 5.47 billion yuan to 5.89 billion yuan, while net profit significantly decreased [1]. - For the first three quarters of 2025, the company reported revenue of 5.07 billion yuan, a year-on-year increase of 31.11%, and a net profit of 47.15 million yuan, marking a return to profitability [1][27]. Product Overview - Olin Bio focuses on innovative vaccine research, development, production, and commercialization, with three main products: adsorbed tetanus vaccine, Hib conjugate vaccine, and AC conjugate vaccine [3]. - The adsorbed tetanus vaccine is the core product, contributing over 80% of total revenue during the reporting period, with sales figures of 4.38 billion yuan, 4.63 billion yuan, 5.36 billion yuan, and 2.68 billion yuan from 2022 to 2024 [4][28]. Market Position - Olin Bio holds a dominant position in the adsorbed tetanus vaccine market, with a market share exceeding 80% from 2022 to 2024, although competition is increasing with seven products currently available [5][30]. - The average selling price of the adsorbed tetanus vaccine has been steadily increasing, with prices in 2024 ranging from 178 to 190 yuan [31]. Strategic Focus - The company is shifting its strategic focus towards developing vaccines for "superbugs" and adult vaccines, with a comprehensive pipeline targeting five major superbug candidates [7][33]. - The rFSAV candidate vaccine is currently in Phase III clinical trials, with plans to submit a New Drug Application (NDA) to the National Medical Products Administration in the second half of 2026 [7]. Financial Challenges - High sales and research expenses have compressed profits, with sales and distribution costs averaging around 50% of revenue [10][36]. - The company has received government subsidies totaling 60.55 million yuan over three and a half years, which significantly supported net profits during this period [10][33]. Recent Developments - Following the termination of the A-share private placement, Olin Bio's stock price experienced significant fluctuations, with a cumulative increase of 181.74% from the beginning of the year to the announcement date [16]. - The controlling shareholder, Shanghai Wushan, has begun a share reduction plan, selling shares worth 279 million yuan, which raised concerns about management confidence [19][24].