Quantum-Si Inc — SCHEDULE 13G/A Filings
7 SCHEDULE 13G/A filings on record
This page lists all SCHEDULE 13G/A 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 7 SCHEDULE 13G/A 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 |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-25-000214 | Oct 30, 2025 | — |
| SCHEDULE 13G/A | — | 0001104659-25-057238 | Jun 6, 2025 | — |
| SCHEDULE 13G/A | — | 0001104659-25-048307 | May 14, 2025 | — |
| SCHEDULE 13G/A | — | 0001104659-25-013679 | Feb 14, 2025 | — |
| SCHEDULE 13G/A | — | 0001140361-25-004266 | Feb 13, 2025 | — |
| SCHEDULE 13G/A | — | 0001214659-25-001839 | Feb 4, 2025 | — |
| SCHEDULE 13G/A | — | 0001104659-25-002714 | Jan 10, 2025 | — |