Free Trial

Quantum-Si (QSI) SEC Filings & 10K Form

Quantum-Si logo
$1.18 -0.11 (-8.14%)
As of 10:14 AM Eastern
This is a fair market value price provided by Polygon.io. Learn more.

Recent Quantum-Si SEC Filings

DateFilerForm TypeView
03/03/2025
3:19 PM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
02/14/2025
10:23 AM
ARK Investment Management LLC (Filed by)
Quantum-Si (Subject)
Quantum-Si Inc (Subject)
Form SCHEDULE 13G/A
02/13/2025
2:35 PM
Nikko Asset Management Americas, Inc. (Filed by)
Quantum-Si (Subject)
Quantum-Si Inc (Subject)
Form SCHEDULE 13G/A
02/04/2025
5:19 AM
Quantum-Si (Subject)
Quantum-Si Inc (Subject)
Sumitomo Mitsui Trust Group, Inc. (Filed by)
Form SCHEDULE 13G/A
01/10/2025
8:21 PM
ARK Investment Management LLC (Filed by)
Quantum-Si (Subject)
Quantum-Si Inc (Subject)
Form SCHEDULE 13G/A
01/06/2025
6:07 AM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 424B5
01/06/2025
6:08 AM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/31/2024
7:27 PM
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
ROTHBERG JONATHAN M (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/31/2024
7:30 PM
Quantum-Si (Subject)
Quantum-Si Inc (Subject)
ROTHBERG JONATHAN M (Filed by)
Form SCHEDULE 13D/A
12/27/2024
5:18 PM
Quantum-Si (Subject)
Quantum-Si Inc (Subject)
ROTHBERG JONATHAN M (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/26/2024
5:21 PM
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Vieceli John S. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
12/11/2024
7:57 AM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 424B5
12/11/2024
7:58 AM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/09/2024
5:05 AM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/22/2024
3:06 PM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/12/2024
3:48 PM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 8-K/A
11/08/2024
4:03 PM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/25/2024
3:24 PM
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Vieceli John S. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/18/2024
3:12 PM
Bennett Todd C. (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
09/18/2024
3:15 PM
Bennett Todd C. (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/17/2024
3:24 PM
Quantum-Si (Subject)
Quantum-Si Inc (Subject)
ROTHBERG JONATHAN M (Filed by)
Form SC 13D/A
08/27/2024
3:38 PM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/12/2024
8:44 PM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/13/2024
5:01 AM
Kummeth Charles R. (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/13/2024
5:01 AM
Keyes Jeffry R. (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/13/2024
5:01 AM
LaPointe Christian (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/13/2024
5:01 AM
Hawkins Jeffrey Alan (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/07/2024
3:12 PM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
06/28/2024
4:16 PM
Quantum-Si (Subject)
Quantum-Si Inc (Subject)
Radcliffe Capital Management, L.P. (Filed by)
Form SC 13G/A
06/25/2024
6:18 PM
Johnston Grace (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/21/2024
4:10 PM
Johnston Grace (Reporting)
Quantum-Si (Subject)
Quantum-Si Inc (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/07/2024
3:41 PM
Kummeth Charles R. (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/30/2024
3:41 PM
Kummeth Charles R. (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
05/30/2024
3:47 PM
Kummeth Charles R. (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
04/09/2024
4:10 PM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/01/2024
3:48 PM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form DEFA14A
04/01/2024
3:42 PM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form DEF 14A
03/25/2024
3:21 PM
Dowdy Paula (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/22/2024
3:35 PM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form PRE 14A
03/21/2024
3:14 PM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/18/2024
7:07 AM
LaPointe Christian (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
Trump’s Victory Could Spark Major Gains for Gold – Don’t Miss Out (Ad)

This "Patriot's Tax Shield" lets you defend your wealth with real, solid gold. Our exclusive, free wealth protection guide shows you how to use Trump's vision to lock down your savings—your freedom, your future. Plus, for a few lucky individuals, we're honoring Trump's historic return with an exclusive free gift.

03/18/2024
7:12 AM
Johnston Grace (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/18/2024
7:21 AM
Hawkins Jeffrey Alan (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/18/2024
7:25 AM
Keyes Jeffry R. (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/11/2024
3:49 PM
Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
(Data available from 1/1/2016 forward)

Remove Ads

Related Companies and Tools


This page (NASDAQ:QSI) was last updated on 3/10/2025 by MarketBeat.com Staff
From Our Partners