Group 1: A+H Listing Expansion - The Hong Kong stock market is experiencing a surge in listing applications, with 14 companies submitting applications between April 25 and 28, including industry leaders seeking A+H listings [1] - Three Squirrels aims to become the first A+H snack brand, reporting a projected revenue of 10.622 billion yuan and a net profit of 408 million yuan for 2024, with 70% of revenue coming from online channels [2] - JA Solar has submitted its application for an A+H listing, reporting a projected revenue of 70.121 billion yuan for 2024, but facing a net loss of 4.656 billion yuan due to asset impairment losses [3][4] - Seres has successfully turned a profit in 2024, with a revenue of 1.45176 billion yuan and a net profit of 5.946 billion yuan, driven by increased sales of electric vehicles [5][6] Group 2: Companies Transitioning to Hong Kong - Rebio Biotech has submitted its application to the Hong Kong Stock Exchange after previously attempting to list on the A-share market, reporting a net loss of 437.3 million yuan in 2023 [8][9] - Daji Group, which focuses on innovative radiation surgery solutions, has also shifted its listing application to Hong Kong after previously applying for the Sci-Tech Innovation Board [10][11] - Hongyeji has submitted its application to the Hong Kong Stock Exchange after previously attempting to list on the Shenzhen Stock Exchange, reporting revenues of approximately 1.228 billion yuan in 2022 [12]

RBD4059为全球首款且临床开发进展最快的抗血栓siRNA药物。 本文为IPO早知道原创 作者｜罗宾 瑞博生物目前拥有 6 款自研管线处于临床试验阶段，涉及 7 种适应症，其中 4 款处于 2 期临床试验 中，一款已进入 III 期临床试验。公司还有 20 个计划推进到临床开发阶段的临床前项目。 来源：公司招股书 核心产品 RBD4059 （靶向 FXI 的 siRNA ）为全球首款、也是临床开发进展最快的用于治疗血栓性 疾病的 siRNA 药物 ，通过选择性抑制 FXI ， RBD4059 可在不显著增加出血风险（传统抗凝剂的常 见局限性）的情况下降低血栓形成的风险，同时以低频率的给药产生持久的疗效，提高患者的依从 性。 同时，公司还在推进两款关键产品 RBD5044 及 RBD1016 。 RBD5044 是全球第二个进入临床开发 的靶向 APOC3 的 siRNA 。 APOC3 是一种在脂质代谢中起关键作用的蛋白质。而 RBD1016 凭借 其对 HBsAg 的强效和持久作用，是未来实现 CHB 功能性治愈的联合方法的重要支柱疗法，及治疗 CHD 的领先 siRNA 候选药物。 公司经过近二十年的专 ...

Group 1: Company Overview - Suzhou Ribo BioTechnology Co., Ltd. (Ribo Bio) submitted its main board listing application to the Hong Kong Stock Exchange on April 25, marking a significant capital move after the termination of its Sci-Tech Innovation Board application in 2021 [1] - Founded in 2007, Ribo Bio is a global leader in the research and development of small nucleic acid drugs, particularly focusing on siRNA therapies, aiming to innovate treatment methods for cardiovascular, metabolic, kidney, and liver diseases [1][2] - The company has established a self-developed technology platform that covers all key aspects of small nucleic acid drug development, from drug delivery to chemical modification and multi-target drug design, supporting the entire lifecycle from early research to commercialization [1] Group 2: Market and Industry Trends - The small nucleic acid drug industry is rapidly evolving, with increasing competition from multinational companies and leading biotech firms developing similar or competing siRNA drugs [3] - The global small nucleic acid drug market is projected to grow from $2.7 billion in 2019 to $4.6 billion in 2023, with a compound annual growth rate (CAGR) of 14.3%, and is expected to reach $46.7 billion by 2033 at a CAGR of 26.1% [4] Group 3: Product Pipeline and Development - Ribo Bio has one of the largest siRNA drug pipelines globally, with six self-developed drug assets in clinical trials targeting seven indications related to cardiovascular, metabolic, kidney, and liver diseases, four of which are in Phase 2 trials [4] - The core product RBD4059, targeting FXI, is the world's first siRNA drug for treating thrombotic diseases, which is a leading cause of death globally, claiming over 10 million lives annually [6] - Ribo Bio is also advancing two key products, RBD5044 and RBD1016, which are significant in the treatment of lipid metabolism disorders and chronic hepatitis B, respectively [6] Group 4: Financial Performance - As of the end of 2023 and 2024, Ribo Bio reported net losses of RMB 437.3 million and RMB 281.5 million, respectively, with no revenue from commercial product sales [7][8] - The company anticipates substantial R&D expenditures as it progresses its clinical development plans, with R&D costs constituting 79.5% and 75.0% of total operating expenses for 2023 and 2024, respectively [9][10]