Quantum-Si Inc — SC 13D/A Filings
5 SC 13D/A filings on record
This page lists all SC 13D/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 5 SC 13D/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 |
|---|---|---|---|---|
| SC 13D/A | SC 13D/A | 0001140361-24-041311 | Sep 17, 2024 | — |
| SC 13D/A | SC 13D/A | 0001140361-23-043823 | Sep 13, 2023 | — |
| SC 13D/A | SC 13D/A | 0001104659-22-075121 | Jun 28, 2022 | — |
| SC 13D/A | — | 0001193805-21-000871 | Jun 14, 2021 | — |
| SC 13D/A | — | 0001193805-21-000255 | Feb 22, 2021 | — |