QSI SEC Filings: 8-K, 10-Q, S-3 & 424B – Quantum-Si

Financials

TYPE

HEADLINE

FILED AT

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Nov 5, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 13, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

May 7, 2026

10-K

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Mar 3, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Nov 5, 2025

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 5, 2025

News

TYPE

HEADLINE

FILED AT

Prospectus

TYPE

HEADLINE

FILED AT

424B3

UPDATED | ATM | Offering amount: $100,000,000

Oct 29, 2025

424B5

REGISTERED OFFERING

Jul 7, 2025

424B5

July 2025 ATM

Jul 7, 2025

424B5

Form 424B5 - Prospectus [Rule 424(b)(5)]

Jan 6, 2025

424B5

Form 424B5 - Prospectus [Rule 424(b)(5)]

Dec 11, 2024

424B3

UPDATED | SHARE RESALE REGISTRATION | Shares amount: 72,558,225 | Warrants amount: 135,000 | Warrants exercise price: $11.50

Jul 20, 2022

Registrations

TYPE

HEADLINE

FILED AT

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Mar 3, 2026

S-3/A

September 2025 SHELF & ATM

Oct 9, 2025

S-3

September 2025 SHELF & ATM

Sep 26, 2025

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Mar 3, 2025

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Feb 29, 2024

S-3

SHELF | ATM | Offering amount: $150,000,000.00 EFFECTIVE

Aug 11, 2023

Proxies

TYPE

HEADLINE

FILED AT

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 1, 2026

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 1, 2026

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Mar 20, 2025

DEF 14A

Form DEF 14A - Other definitive proxy statements

Mar 20, 2025

DEFR14A

Form DEFR14A - Revised definitive proxy soliciting materials

Apr 29, 2024

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 1, 2024

Ownerships

TYPE

HEADLINE

FILED AT

Hawkins Jeffrey Alan (Reporting)

Sep 23, 2026

Keyes Jeffry R. (Reporting)

Sep 23, 2026

LaPointe Christian (Reporting)

Sep 23, 2026

144

Form 144 - Report of proposed sale of securities

Sep 23, 2026

144

Form 144 - Report of proposed sale of securities

Sep 23, 2026

144

Form 144 - Report of proposed sale of securities

Sep 23, 2026

Other

TYPE

HEADLINE

FILED AT

Form SD - Specialized disclosure report

May 22, 2026

Form SD - Specialized disclosure report

May 22, 2025

EFFECT

Form EFFECT - Notice of Effectiveness

Aug 23, 2023

CORRESP

Form CORRESP - Correspondence

Aug 18, 2023

LETTER

Form UPLOAD - SEC-generated letter

Aug 18, 2023

EFFECT

Form EFFECT - Notice of Effectiveness

Jul 19, 2022

Quantum-Si incorporated QSI · SEC Filings