<SEC-DOCUMENT>0001628280-26-011100-index.html : 20260224 <SEC-HEADER>0001628280-26-011100.hdr.sgml : 20260224 <ACCEPTANCE-DATETIME>20260224161518 ACCESSION NUMBER: 0001628280-26-011100 CONFORMED SUBMISSION TYPE: 424B3 PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20260224 DATE AS OF CHANGE: 20260224 FILER: COMPANY DATA: COMPANY CONFORMED NAME: QUANTUM CORP /DE/ CENTRAL INDEX KEY: 0000709283 STANDARD INDUSTRIAL CLASSIFICATION: COMPUTER STORAGE DEVICES [3572] ORGANIZATION NAME: 06 Technology EIN: 942665054 STATE OF INCORPORATION: DE FISCAL YEAR END: 0331 FILING VALUES: FORM TYPE: 424B3 SEC ACT: 1933 Act SEC FILE NUMBER: 333-293560 FILM NUMBER: 26671773 BUSINESS ADDRESS: STREET 1: 224 AIRPORT PARKWAY STREET 2: SUITE 550 CITY: SAN JOSE STATE: CA ZIP: 95110 BUSINESS PHONE: 408 944 4000 MAIL ADDRESS: STREET 1: 224 AIRPORT PARKWAY STREET 2: SUITE 550 CITY: SAN JOSE STATE: CA ZIP: 95110 </SEC-HEADER> <DOCUMENT> <TYPE>424B3 <SEQUENCE>1 <FILENAME>quantum-424b3february2026.htm <DESCRIPTION>424B3 <TEXT> Document 1 - file: quantum-424b3february2026.htm
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