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

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Recent Quantum-Si SEC Filings

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DateFilerForm TypeView
08/08/2025
3:57 PM		Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/07/2025
4:11 PM		Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 424B5
07/07/2025
4:11 PM		Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 424B5
07/07/2025
4:13 PM		Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/24/2025
6:03 PM		Keyes Jeffry R. (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/24/2025
6:06 PM		LaPointe Christian (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/24/2025
6:11 PM		Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Vieceli John S. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/24/2025
6:14 PM		Hawkins Jeffrey Alan (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
06/06/2025
1:58 PM		ARK Investment Management LLC (Filed by)
Quantum-Si (Subject)
Quantum-Si Inc (Subject)
Form SCHEDULE 13G/A
05/14/2025
9:42 AM		ARK Investment Management LLC (Filed by)
Quantum-Si (Subject)
Quantum-Si Inc (Subject)
Form SCHEDULE 13G/A
04/10/2025
3:49 PM		Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/24/2025
5:48 PM		Hawkins Jeffrey Alan (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/24/2025
5:34 PM		Keyes Jeffry R. (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/24/2025
5:42 PM		LaPointe Christian (Reporting)
Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/24/2025
5:11 PM		Quantum-Si (Issuer)
Quantum-Si Inc (Issuer)
Vieceli John S. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/20/2025
3:07 PM		Quantum-Si (Filer)
Quantum-Si Inc (Filer)
Form DEF 14A
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)  
(Data available from 1/1/2016 forward)


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This page (NASDAQ:QSI) was last updated on 8/26/2025 by MarketBeat.com Staff
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