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QUANTUM CORP /DE/ — S-1 Filings

3 S-1 filings on record

This page lists all S-1 filings submitted to the SEC by QUANTUM CORP /DE/ (QMCO), sorted by most recent first. Each row links to the full filing on EdgarLookup. QUANTUM CORP /DE/ has filed 3 S-1 documents with the SEC since 2012. To view all SEC filings by QUANTUM CORP /DE/, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-K405 10-Q 10-Q/A 144 15-12G 25-NSE 3 3/A 4 4/A 424B2 424B3 424B5 425 5 8-A12B 8-A12G 8-K 8-K/A ARS AW CERT CORRESP D DEF 14A DEF 14C DEFA14A DEFC14A DEFR14A DFAN14A EFFECT NT 10-K NT 10-Q POS AM PRE 14A PRE 14C PREC14A PRER14A PRRN14A RW S-1 S-1/A S-3 S-3/A S-3ASR S-4 S-4/A S-8 S-8 POS SC 13D SC 13D/A SC 13G SC 13G/A SC TO-I SC TO-I/A SCHEDULE 13D SCHEDULE 13D/A SCHEDULE 13G/A SD SD/A UPLOAD
Form Description Accession Number Filed Period
S-1 S-1 0001628280-26-009335 Feb 19, 2026
S-1 S-1 0001628280-25-052461 Nov 17, 2025
S-1 S-1 0001628280-25-002700 Jan 27, 2025