StreetInsider.com News Articles

Form SCHEDULE 13D/A Quantum-Si Inc Filed by: ROTHBERG JONATHAN M

Fri, 28 Aug 2026 17:35:00 -0400

si-local-file:///var/storage/secattach/20260828/26999231.html

Form SCHEDULE 13D/A Quantum-Si Inc Filed by: ROTHBERG JONATHAN M

Fri, 28 Aug 2026 17:35:00 -0400

si-local-file:///var/storage/secattach/20260828/26999231.html

Quantum-Si to Participate in the H.C. Wainwright 28th Annual Global Investment Conference

Tue, 18 Aug 2026 08:00:00 -0400

BRANFORD, Conn., Aug. 18, 2026 (GLOBE NEWSWIRE) -- 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 it will be participating in the H.C. Wainwright 28th Annual Global Investment Conference taking place at the Lotte New York Palace Hotel, September 14-16, 2026.

Jeff Hawkins, President and Chief Executive Officer, and Jeff Keyes, Chief Financial Officer, will be taking one-on-one meetings throughout the day on Tuesday, September 15, 2026, and Jeff Hawkins will participate in a fireside chat on the same day at 1:30

Quantum-Si to Participate in the H.C. Wainwright 28th Annual Global Investment Conference

Tue, 18 Aug 2026 08:00:00 -0400

Form 10-Q Quantum-Si Inc For: Jun 30

Thu, 13 Aug 2026 16:56:00 -0400

si-local-file:///var/storage/secattach/20260813/26922415.html

Form 10-Q Quantum-Si Inc For: Jun 30

Thu, 13 Aug 2026 16:56:00 -0400

si-local-file:///var/storage/secattach/20260813/26922415.html

Form 8-K Quantum-Si Inc For: Aug 13

Thu, 13 Aug 2026 16:12:00 -0400

si-local-file:///var/storage/secattach/20260813/26921170.html

Form 8-K Quantum-Si Inc For: Aug 13

Thu, 13 Aug 2026 16:12:00 -0400

si-local-file:///var/storage/secattach/20260813/26921170.html

Quantum-Si Reports Second Quarter 2026 Financial Results and Provides Proteus™ Development Update

Thu, 13 Aug 2026 16:05:00 -0400

Company updates anticipated commercial launch of Proteus to Q2 2027, cost-reduction actions expected to extend cash runway into Q4 2028 and highlights estimated new market opportunities for protein sequencing

BRANFORD, Conn., Aug. 13, 2026 (GLOBE NEWSWIRE) -- 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 second quarter ended June 30, 2026.

Press Release Highlights

Reported second quarter 2026 revenue of $344 thousand during the Proteus transition period.
Updated anticipated Proteus launch timeline to Q2 2027

Quantum-Si Reports Second Quarter 2026 Financial Results and Provides Proteus™ Development Update

Thu, 13 Aug 2026 16:05:00 -0400

Press Release Highlights

Reported second quarter 2026 revenue of $344 thousand during the Proteus transition period.
Updated anticipated Proteus launch timeline to Q2 2027

Form SCHEDULE 13G/A Quantum-Si Inc Filed by: BlackRock, Inc.

Wed, 29 Jul 2026 15:21:00 -0400

si-local-file:///var/storage/secattach/20260729/26834315.html

Form SCHEDULE 13G/A Quantum-Si Inc Filed by: BlackRock, Inc.

Wed, 29 Jul 2026 15:21:00 -0400

si-local-file:///var/storage/secattach/20260729/26834315.html

Quantum-Si to Report Second Quarter 2026 Financial Results on August 13, 2026

Mon, 27 Jul 2026 16:05:00 -0400

BRANFORD, Conn., July 27, 2026 (GLOBE NEWSWIRE) -- 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 second quarter 2026 on Thursday, August 13, 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 EDT.

Individuals interested in listening to the conference call may do so by joining the live

Quantum-Si to Report Second Quarter 2026 Financial Results on August 13, 2026

Mon, 27 Jul 2026 16:05:00 -0400

Individuals interested in listening to the conference call may do so by joining the live

Form 8-K Quantum-Si Inc For: Jul 23

Fri, 24 Jul 2026 17:21:00 -0400

si-local-file:///var/storage/secattach/20260724/26814374.html

Form 8-K Quantum-Si Inc For: Jul 23

Fri, 24 Jul 2026 17:21:00 -0400

si-local-file:///var/storage/secattach/20260724/26814374.html

Form 4 Quantum-Si Inc For: Jun 22 Filed by: LaPointe Christian

Wed, 24 Jun 2026 20:31:00 -0400

si-local-file:///var/storage/secattach/20260624/26686921.html

Form 4 Quantum-Si Inc For: Jun 22 Filed by: LaPointe Christian

Wed, 24 Jun 2026 20:31:00 -0400

si-local-file:///var/storage/secattach/20260624/26686921.html

Form 4 Quantum-Si Inc For: Jun 22 Filed by: Keyes Jeffry R.

Wed, 24 Jun 2026 20:23:00 -0400

si-local-file:///var/storage/secattach/20260624/26686915.html

Form 4 Quantum-Si Inc For: Jun 22 Filed by: Keyes Jeffry R.

Wed, 24 Jun 2026 20:23:00 -0400

si-local-file:///var/storage/secattach/20260624/26686915.html

Form 4 Quantum-Si Inc For: Jun 22 Filed by: Vieceli John S.

Wed, 24 Jun 2026 20:17:00 -0400

si-local-file:///var/storage/secattach/20260624/26686911.html

Form 4 Quantum-Si Inc For: Jun 22 Filed by: Vieceli John S.

Wed, 24 Jun 2026 20:17:00 -0400

si-local-file:///var/storage/secattach/20260624/26686911.html

Form 4 Quantum-Si Inc For: Jun 22 Filed by: Hawkins Jeffrey Alan

Wed, 24 Jun 2026 20:12:00 -0400

si-local-file:///var/storage/secattach/20260624/26686908.html

Form 4 Quantum-Si Inc For: Jun 22 Filed by: Hawkins Jeffrey Alan

Wed, 24 Jun 2026 20:12:00 -0400

si-local-file:///var/storage/secattach/20260624/26686908.html

Form 144 Quantum-Si Inc Filed by: LaPointe Christian

Wed, 24 Jun 2026 20:05:00 -0400

si-local-file:///var/storage/secattach/20260624/26686892.html