<SEC-DOCUMENT>0001628280-25-042959-index.html : 20250926 <SEC-HEADER>0001628280-25-042959.hdr.sgml : 20250926 <ACCEPTANCE-DATETIME>20250926170420 ACCESSION NUMBER: 0001628280-25-042959 CONFORMED SUBMISSION TYPE: POS AM PUBLIC DOCUMENT COUNT: 4 FILED AS OF DATE: 20250926 DATE AS OF CHANGE: 20250926 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: POS AM SEC ACT: 1933 Act SEC FILE NUMBER: 333-286635 FILM NUMBER: 251351314 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>POS AM <SEQUENCE>1 <FILENAME>quantum-posam.htm <DESCRIPTION>POS AM <TEXT> Document 1 - file: quantum-posam.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.1 <SEQUENCE>2 <FILENAME>exhibit231-posam.htm <DESCRIPTION>EX-23.1 <TEXT> Document 2 - file: exhibit231-posam.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>backcovera.jpg <TEXT> Document 3 - file: backcovera.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>prospcovera.jpg <TEXT> Document 4 - file: prospcovera.jpg
</DOCUMENT> </SEC-DOCUMENT>