Quantum-Si and Cell Signaling Technology Partner to Advance Post-Translational Modification Analysis on Proteus™

BRANFORD, Conn.–(BUSINESS WIRE)–Jun. 10, 2026– Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics company redefining protein analysis through single-molecule protein sequencing, today announced a partnership with Cell Signaling Technology (“CST”) to advance and validate next-generation protein sequencing and analysis of post-translational modifications (“PTM”) on the Proteus™ single-molecule protein sequencing platform. The partnership […]

Quantum-Si Announces the Expansion of the Proteus™ Roadshow

Multi-City Roadshow is Driving Awareness of Proteus and Developing Customer Funnel for Commercial Launch BRANFORD, Conn.–(BUSINESS WIRE)–Jun. 3, 2026– Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics technology company redefining protein analysis through single-molecule protein sequencing, today announced the expansion of a roadshow designed to accelerate the education of the market on […]

Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)

BRANFORD, Conn.–(BUSINESS WIRE)–May 13, 2026– Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics company redefining protein analysis through single-molecule protein sequencing, today announced that the Compensation Committee of Quantum-Si’s Board of Directors has granted 427,636 restricted stock units (“RSUs”) to new employees under the Company’s previously adopted Quantum-Si Incorporated 2023 Inducement Equity […]

Quantum-Si Reports First Quarter 2026 Financial Results and Highlights Proteus™ Development Milestones

Successful sequencing on integrated Proteus instruments and continued progress toward amino acid coverage and overall launch capabilities BRANFORD, Conn.–(BUSINESS WIRE)–May 7, 2026– Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics technology company redefining protein analysis through single-molecule protein sequencing, today announced financial results for the first quarter ended March 31, 2026. Press […]

Quantum-Si to Participate in the H.C. Wainwright 4th Annual BioConnect Investor Conference at NASDAQ

BRANFORD, Conn.–(BUSINESS WIRE)–May 1, 2026– Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics company redefining protein analysis through single-molecule protein sequencing, today announced that it will be participating in the H.C. Wainwright 4th Annual BioConnect Investor Conference at NASDAQ, 151 West 42nd Street, (4 Times Square), New York, NY 10036, on May […]

Quantum-Si Announces Successful Sequencing on Integrated Proteus™ Instruments

BRANFORD, Conn.–(BUSINESS WIRE)–Apr. 28, 2026– Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics company redefining protein analysis through single-molecule protein sequencing, today announced that the company has successfully demonstrated sequencing on integrated Proteus™ instruments. This milestone was achieved using a developmental sequencing kit, the KinetIQ™ Array, and fully integrated Proteus instruments. The […]

Quantum-Si to Report First Quarter 2026 Financial Results on May 7, 2026

BRANFORD, Conn.–(BUSINESS WIRE)–Apr. 16, 2026– Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics technology company redefining protein analysis through single-molecule detection, today announced that it will report financial results for the first quarter 2026 on Thursday, May 7, 2026. Jeff Hawkins, President and Chief Executive Officer, and Jeff Keyes, Chief Financial Officer, […]

Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting

BRANFORD, Conn.–(BUSINESS WIRE)–Apr. 15, 2026– Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics company redefining protein analysis through single-molecule protein sequencing, today announced that there will be two customer posters presented at the American Association of Cancer Research (AACR) annual meeting on April 17-22, 2026 in San Diego, California. Poster 2421; April […]

Quantum-Si Announces New Manuscript Demonstrating the Value of Single-molecule Protein Sequencing to Aid in Identifying New Cancer Treatment Strategies

BRANFORD, Conn.–(BUSINESS WIRE)–Apr. 14, 2026– Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics company redefining protein analysis through single-molecule protein sequencing, today announced a new manuscript available via pre-print on bioRxiv from researchers out of the University of British Columbia and the B.C. Cancer Research Institute. In the pre-print titled “Heterologous expression […]

Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)

BRANFORD, Conn.–(BUSINESS WIRE)–Apr. 10, 2026– Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics company redefining protein analysis through single-molecule protein sequencing, today announced that the Compensation Committee of Quantum-Si’s Board of Directors has granted 61,439 restricted stock units (“RSUs”) to new employees under the Company’s previously adopted Quantum-Si Incorporated 2023 Inducement Equity […]