Quantum-Si Incorporated, which trades under the ticker CAPA, went public through a SPAC merger with HighCape Capital Acquisition Corp, sponsored by HighCape Capital Management, with the blank-check vehicle completing its IPO in 2020. The de-SPAC transaction closed in 2021, bringing Quantum-Si into the public markets as a life sciences technology company focused on semiconductor-based protein sequencing within the genomics and proteomics sector. The company filed an 8-K with the SEC on May 7, 2026, as part of its ongoing public reporting obligations. Quantum-Si develops next-generation sequencing instruments and chips targeting research and clinical proteomics applications. For full deal data, filing history, and de-SPAC analytics, create a free account at SpacDesk.