智通财经APP获悉，致力于开发活体生物药物以激发免疫反应的临床阶段癌症生物技术公司 Salspera(TKVA.US)，周一披露了其美股首次公开募股(IPO)条款。 Salspera旨在开发一类全新的免疫疗法用于治疗实体瘤，该公司将其命名为"活体生物药"，即经过基因 改造、能够在肿瘤微环境内表达特定抗肿瘤因子的生物制剂。 其先导项目Saltikva是一种经过减毒改造的鼠伤寒沙门氏菌菌株，无毒且可口服给药。该菌株经工程化 设计，可表达人白细胞介素-2基因(即Salmonella-IL2)，这可能有助于增加肿瘤微环境及外周血中NK细 胞和CD8+细胞毒性T细胞的数量。公司目前主要针对胰腺癌，并已完成一项针对IV期转移性胰腺癌患 者的II期试验。 Salspera成立于2017年，计划在纳斯达克上市，股票代码为TKVA。Kingswood资本市场担任该交易的独 家账簿管理人。 这家总部位于马萨诸塞州剑桥市的公司计划通过发行570万股股票(发行价区间为每股14至16美元)筹集 8500万美元资金。 ...

As filed with the U.S. Securities and Exchange Commission on February 23, 2026. Registration Number 333-293121 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _______________________________ AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 _______________________________ SALSPERA, INC. (Exact Name of Registrant as Specified in its Charter) _______________________________ Delaware 2834 87-4698872 (State or other jurisdiction of incorporation or organ ...

As filed with the U.S. Securities and Exchange Commission on February 2, 2026. Registration Number 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _______________________________ FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 _______________________________ SALSPERA, INC. (Exact Name of Registrant as Specified in its Charter) _______________________________ Delaware 2834 87-4698872 (State or other jurisdiction of incorporation or organization) (Primary Standard ...