Quantum-Si Incorporated - Class A Common Stock (QSI)

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 19, 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.

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, will host a conference call to discuss financial results and provide a business update on the same day at 4:30 PM ET.

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.

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 Proteus platform and applications for protein sequencing.

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 Incentive Plan, as amended (the “2023 Inducement Plan”). The RSUs were granted as an inducement material to the new employees becoming an employee of Quantum-Si in accordance with Nasdaq Listing Rule 5635(c)(4).

Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics technology company redefining protein analysis through single-molecule detection, today announced financial results for the fourth quarter and full year ended December 31, 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 52,296 restricted stock units (“RSUs”) to new employees under the Company’s previously adopted Quantum-Si Incorporated 2023 Inducement Equity Incentive Plan, as amended (the “2023 Inducement Plan”). The RSUs were granted as an inducement material to the new employees becoming an employee of Quantum-Si in accordance with Nasdaq Listing Rule 5635(c)(4).

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, Chief Financial Officer, will host a conference call to discuss financial results and provide a business update on the same day at 4:30 PM ET.

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 submitted for peer review.

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 3 Library Preparation Kit and a new suite of data analysis tool enhancements. When combined with the Version 4 Sequencing Kit which was launched in September 2025, the Company expects users will see significant improvements analyzing scarce biologic samples, complex mixtures, and detecting low abundance biomarkers.

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 Incentive Plan, as amended (the “2023 Inducement Plan”). The RSUs were granted as an inducement material to the new employees becoming an employee of Quantum-Si in accordance with Nasdaq Listing Rule 5635(c)(4).

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 highlights of its Investor & Analyst Day that was hosted in New York City on November 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.

Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics technology company redefining protein analysis through single-molecule detection, today announced financial results for the third quarter ended September 30, 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 it will be participating in the CG MedTech, Diagnostics and Digital Health & Services Forum taking place Thursday, November 20, 2025 at the Westin NY Grand Central.

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 third quarter 2025 on Wednesday, November 5, 2025. Jeff Hawkins, President and Chief Executive Officer, and Jeff Keyes, Chief Financial Officer, will host a conference call to discuss financial results and provide a business update on the same day at 4:30 PM ET.

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 Company will host an Investor & Analyst event in New York City on November 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 that the Compensation Committee of Quantum-Si’s Board of Directors has granted 17,033 restricted stock units (“RSUs”) to new employees under the Company’s previously adopted Quantum-Si Incorporated 2023 Inducement Equity Incentive Plan, as amended (the “2023 Inducement Plan”). The RSUs were granted as an inducement material to the new employees becoming an employee of Quantum-Si in accordance with Nasdaq Listing Rule 5635(c)(4).

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 V4 Sequencing Kit. The new kit is compatible with both the Platinum® and Platinum® Pro instruments.

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 be participating in the H.C. Wainwright 27th Annual Global Investment Conference taking place at the Lotte New York Palace Hotel, September 8-10, 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 237,068 restricted stock units (“RSUs”) to new employees under the Company’s previously adopted Quantum-Si Incorporated 2023 Inducement Equity Incentive Plan, as amended (the “2023 Inducement Plan”). The RSUs were granted as an inducement material to the new employees becoming an employee of Quantum-Si in accordance with Nasdaq Listing Rule 5635(c)(4).

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 be participating in the UBS Precision Medicine Frontiers Summit taking place at the Waldorf Astoria Monarch Beach Resort & Club in Dana Point, CA, August 13-14, 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 financial results for the second quarter ended June 30, 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 it will be participating in the Canaccord Genuity 45th Annual Growth Conference taking place at the InterContinental Boston Hotel, August 12-14, 2025.