Quantum-Si Inc — 424B3 Filings
22 424B3 filings on record
This page lists all 424B3 filings submitted to the SEC by Quantum-Si Inc (QSIAW), sorted by most recent first. Each row links to the full filing on EdgarLookup. Quantum-Si Inc has filed 22 424B3 documents with the SEC since 2020. To view all SEC filings by Quantum-Si Inc, see the full filings list.
All
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 |
|---|---|---|---|---|
| 424B3 | 424B3 | 0001140361-25-039703 | Oct 29, 2025 | — |
| 424B3 | 424B3 | 0001140361-22-026439 | Jul 20, 2022 | — |
| 424B3 | 424B3 | 0001140361-22-026438 | Jul 20, 2022 | — |
| 424B3 | 424B3 | 0001140361-22-023255 | Jun 16, 2022 | — |
| 424B3 | 424B3 | 0001140361-22-023253 | Jun 16, 2022 | — |
| 424B3 | 424B3 | 0001140361-22-022633 | Jun 10, 2022 | — |
| 424B3 | 424B3 | 0001140361-22-022632 | Jun 10, 2022 | — |
| 424B3 | 424B3 | 0001140361-22-019369 | May 16, 2022 | — |
| 424B3 | 424B3 | 0001140361-22-019361 | May 16, 2022 | — |
| 424B3 | 424B3 | 0001140361-22-018366 | May 10, 2022 | — |
| 424B3 | 424B3 | 0001140361-22-018364 | May 10, 2022 | — |
| 424B3 | 424B3 | 0001140361-22-018318 | May 9, 2022 | — |
| 424B3 | 424B3 | 0001140361-22-018314 | May 9, 2022 | — |
| 424B3 | 424B3 | 0001140361-22-009311 | Mar 14, 2022 | — |
| 424B3 | FORM 424B3 | 0001140361-22-007945 | Mar 4, 2022 | — |
| 424B3 | 424B3 | 0001140361-22-000362 | Jan 4, 2022 | — |
| 424B3 | 424B3 | 0001140361-21-038710 | Nov 19, 2021 | — |
| 424B3 | 424B3 | 0001140361-21-037711 | Nov 15, 2021 | — |
| 424B3 | 424B3 | 0001140361-21-032461 | Sep 24, 2021 | — |
| 424B3 | 424B3 | 0001140361-21-028505 | Aug 16, 2021 | — |
| 424B3 | 424B3 | 0001104659-21-094608 | Jul 22, 2021 | — |
| 424B3 | 424B3 | 0001104659-21-066878 | May 14, 2021 | — |