Quantum-Si Inc — All Filings
427 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
10-K/A
10-Q
10-Q/A
144
25-NSE
3
4
424B3
424B4
424B5
425
5
8-A12B
8-K
8-K/A
ARS
CERT
CORRESP
DEF 14A
DEFA14A
DEFR14A
DRS
EFFECT
NT 10-Q
POS AM
POS462B
PRE 14A
S-1
S-1/A
S-1MEF
S-3
S-3/A
S-4
S-4/A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | FORM 4 | 0001140361-26-010949 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | FORM 4 | 0001140361-26-010946 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | FORM 4 | 0001140361-26-010945 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | FORM 4 | 0001140361-26-010941 | Mar 24, 2026 | Mar 20, 2026 |
| 144 | — | 0002032947-26-000001 | Mar 24, 2026 | — |
| 144 | — | 0001856912-26-000001 | Mar 24, 2026 | — |
| 144 | — | 0001557736-26-000001 | Mar 24, 2026 | — |
| 144 | — | 0001505034-26-000001 | Mar 24, 2026 | — |
| 4 | FORM 4 | 0001140361-26-009612 | Mar 16, 2026 | Mar 12, 2026 |
| 4 | FORM 4 | 0001140361-26-009605 | Mar 16, 2026 | Mar 12, 2026 |
| 4 | FORM 4 | 0001140361-26-009602 | Mar 16, 2026 | Mar 12, 2026 |
| 4 | FORM 4 | 0001140361-26-009598 | Mar 16, 2026 | Mar 12, 2026 |
| 4 | FORM 4 | 0001140361-26-008322 | Mar 9, 2026 | Mar 5, 2026 |
| 4 | FORM 4 | 0001140361-26-008320 | Mar 9, 2026 | Mar 5, 2026 |
| S-8 | S-8 | 0001193125-26-088741 | Mar 3, 2026 | — |
| 10-K | 10-K | 0001816431-26-000011 | Mar 3, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0001816431-26-000009 | Mar 3, 2026 | — |
| 4 | FORM 4 | 0001140361-26-006970 | Feb 26, 2026 | Feb 24, 2026 |
| 8-K | 8-K | 0001816431-25-000074 | Dec 29, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0002032947-25-000005 | Dec 22, 2025 | — |
| 144 | — | 0002032947-25-000004 | Dec 22, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001856912-25-000005 | Dec 22, 2025 | — |
| 144 | — | 0001856912-25-000004 | Dec 22, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001557736-25-000006 | Dec 22, 2025 | — |
| 144 | — | 0001557736-25-000005 | Dec 22, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001505034-25-000005 | Dec 22, 2025 | — |
| 144 | — | 0001505034-25-000004 | Dec 22, 2025 | — |
| 8-K | 8-K | 0001816431-25-000071 | Nov 20, 2025 | Nov 19, 2025 |
| 10-Q | 10-Q | 0001816431-25-000066 | Nov 5, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0001816431-25-000065 | Nov 5, 2025 | — |
| SCHEDULE 13G/A | — | 0000102909-25-000214 | Oct 30, 2025 | — |
| 424B3 | 424B3 | 0001140361-25-039703 | Oct 29, 2025 | — |
| 144 | — | 0002032947-25-000002 | Oct 20, 2025 | — |
| 144 | — | 0001856912-25-000002 | Oct 20, 2025 | — |
| 144 | — | 0001557736-25-000003 | Oct 20, 2025 | — |
| 144 | — | 0001505034-25-000002 | Oct 20, 2025 | — |
| 144 | — | 0001690473-25-000002 | Oct 20, 2025 | — |
| 4 | FORM 4 | 0001140361-25-038534 | Oct 17, 2025 | Oct 16, 2025 |
| 144 | — | 0001974158-25-000065 | Oct 16, 2025 | — |
| S-3/A | S-3/A | 0001140361-25-037826 | Oct 9, 2025 | — |
| 8-K | 8-K | 0001140361-25-036498 | Sep 29, 2025 | Sep 26, 2025 |
| S-3 | S-3 | 0001140361-25-036334 | Sep 26, 2025 | — |
| 8-K | 8-K | 0001816431-25-000060 | Sep 26, 2025 | Sep 23, 2025 |
| 4 | FORM 4 | 0001140361-25-036049 | Sep 24, 2025 | Sep 22, 2025 |
| 4 | FORM 4 | 0001140361-25-036048 | Sep 24, 2025 | Sep 22, 2025 |
| 4 | FORM 4 | 0001140361-25-036047 | Sep 24, 2025 | Sep 22, 2025 |
| 4 | FORM 4 | 0001140361-25-036046 | Sep 24, 2025 | Sep 22, 2025 |
| 4 | FORM 4 | 0001140361-25-036045 | Sep 24, 2025 | Sep 22, 2025 |
| SCHEDULE 13D/A | — | 0001140361-25-034713 | Sep 11, 2025 | — |
| 8-K | 8-K | 0001816431-25-000056 | Aug 8, 2025 | — |