Quantum-Si Incorporated (Nasdaq: QSI) is a life sciences technology company focused on semiconductor-based protein sequencing, having gone public through a SPAC merger with HighCape Capital Acquisition Corp, sponsored by HighCape Capital, which completed its IPO in 2020. The business combination closed in 2021, establishing Quantum-Si as a post-merger public company in the biotechnology and life sciences instruments sector. The company develops next-generation single-molecule protein sequencing platforms targeting research and clinical applications. An 8-K was filed with the SEC on May 16, 2023, reflecting Quantum-Si's ongoing public reporting obligations as a post-combination entity. Sign up on SpacDesk for full filing history, data analytics, and real-time coverage of QSI and the broader SPAC universe.