Quantum-Si Announces First Customer Samples Tested on the Proteus™ Prototype System

Sequencing Results Utilizing a Proteus Prototype System Exceeds Platinum® Pro BRANFORD, Conn.–(BUSINESS WIRE)–Apr. 8, 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 that the Company has completed the sequencing of multiple samples provided by an existing Platinum Pro customer on […]

Quantum-Si Announces the Start of the Proteus™ Roadshow

Multi-city Roadshow To Drive Awareness of Proteus and Develop Customer Funnel for Commercial Launch BRANFORD, Conn.–(BUSINESS WIRE)–Apr. 6, 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 the start of a roadshow designed to accelerate the education of the market on its […]

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

BRANFORD, Conn.–(BUSINESS WIRE)–Mar. 13, 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 the Compensation Committee of Quantum-Si’s Board of Directors has granted 88,781 restricted stock units (“RSUs”) to new employees under the Company’s previously adopted Quantum-Si Incorporated 2023 Inducement Equity […]

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

BRANFORD, Conn.–(BUSINESS WIRE)–Feb. 13, 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 the Compensation Committee of Quantum-Si’s Board of Directors has granted 52,296 restricted stock units (“RSUs”) to new employees under the Company’s previously adopted Quantum-Si Incorporated 2023 Inducement Equity […]

Quantum-Si to Report Fourth Quarter and Full Year 2025 Financial Results on March 3, 2026

BRANFORD, Conn.–(BUSINESS WIRE)–Feb. 10, 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 fourth quarter and full year 2025 on Tuesday, March 3, 2026. Jeff Hawkins, President and Chief Executive Officer, and Jeff Keyes, […]

Quantum-Si Announces the Release of Two New Manuscripts Demonstrating the Value of Single-Molecule Protein Sequencing in Clinical Proteomics and Pathogen & Toxin Detection

BRANFORD, Conn.–(BUSINESS WIRE)–Feb. 5, 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 two new manuscripts have been released, one as a peer reviewed publication in the Journal of Analytical Chemistry and one via preprint on ChemRxiv. The preprint has also been […]

Quantum-Si Announces Launch of New Version 3 Library Preparation Kit and a Suite of Data Analysis Tool Enhancements

New library prep kit enables detection of proteins with as little as 1-2 ng of input Data analysis enhancements unlock new amino acid detection BRANFORD, Conn.–(BUSINESS WIRE)–Dec. 22, 2025– Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics technology company redefining protein analysis through single-molecule detection, today announced the launch of the Version […]

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

BRANFORD, Conn.–(BUSINESS WIRE)–Dec. 15, 2025– 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 the Compensation Committee of Quantum-Si’s Board of Directors has granted 39,920 restricted stock units (“RSUs”) to new employees under the Company’s previously adopted Quantum-Si Incorporated 2023 Inducement Equity […]

Quantum-Si Highlights Significant Development Advancements for Proteus™ and Industry Leading Technology Pipeline at Investor & Analyst Day

Expect Proteus launch by end of 2026 Demonstration of the detection of all 20 amino acids by end of 2026 New controlled cleavage chemistry unlocks path to billions of sequencing reads BRANFORD, Conn.–(BUSINESS WIRE)–Nov. 20, 2025– Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics technology company redefining protein analysis through single-molecule detection, […]

Quantum-Si to Highlight Significant Proteus™ Platform Development Progress and Provide Insights into the Company’s Industry Leading Technology Pipeline at Investor & Analyst Day

BRANFORD, Conn.–(BUSINESS WIRE)–Nov. 19, 2025– Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics technology company redefining protein analysis through single-molecule detection, today announced the key items to be presented at its Investor & Analyst Day that is being hosted in New York City. Among other advances, the management team will provide updates […]