Quantum-Si Inc — S-3 Filings

2 S-3 filings on record

This page lists all S-3 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 2 S-3 documents with the SEC since 2020. To view all SEC filings by Quantum-Si Inc, see the full filings list.

Overview All Filings Financials Insiders

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
S-3	S-3	0001140361-25-036334	Sep 26, 2025	—
S-3	S-3	0001140361-23-039290	Aug 11, 2023	—