Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001628280-26-045602
Filing Date
2026-06-25
Accepted
2026-06-25 17:16:22
Documents
122
Period of Report
2026-03-31

Document Format Files

Seq Description Document Type Size
1 10-K qtm-20260331.htm   iXBRL 10-K 2190808
2 EX-4.1 descriptionofsecuritiesr.htm EX-4.1 11826
3 EX-10.79 quantum-ex1079xgianellas.htm EX-10.79 33876
4 EX-10.80 quantum-ex1080xlernersep.htm EX-10.80 32642
5 EX-10.81 quantum-ex1081xcabrerase.htm EX-10.81 32509
6 EX-23.1 quantum-ex231xconsentofi.htm EX-23.1 1317
7 EX-23.2 quantum-ex232xgt10xkcons.htm EX-23.2 1293
8 EX-31.1 quantum-exhibit311.htm EX-31.1 4113
9 EX-31.2 quantum-exhibit312.htm EX-31.2 4104
10 EX-32.1 quantum-exhibit321.htm EX-32.1 1393
11 EX-32.2 quantum-exhibit322.htm EX-32.2 1385
17 EX-4.1 descriptionofsecuritiesr001.jpg GRAPHIC 881478
18 qtm-20260331_g1.jpg GRAPHIC 12582
19 EX-10.79 quantum-ex1079xgianellas001.jpg GRAPHIC 1107017
20 EX-10.79 quantum-ex1079xgianellas002.jpg GRAPHIC 881271
21 EX-10.80 quantum-ex1080xlernersep001.jpg GRAPHIC 1184265
22 EX-10.80 quantum-ex1080xlernersep002.jpg GRAPHIC 757120
23 EX-10.81 quantum-ex1081xcabrerase001.jpg GRAPHIC 1177492
24 EX-10.81 quantum-ex1081xcabrerase002.jpg GRAPHIC 758343
25 EX-23.1 quantum-ex231xconsentofi001.jpg GRAPHIC 64705
26 EX-23.2 quantum-ex232xgt10xkcons001.jpg GRAPHIC 71051
27 EX-31.1 quantum-exhibit311001.jpg GRAPHIC 261782
28 EX-31.2 quantum-exhibit312001.jpg GRAPHIC 260505
29 EX-32.1 quantum-exhibit321001.jpg GRAPHIC 74970
30 EX-32.2 quantum-exhibit322001.jpg GRAPHIC 73642
  Complete submission text file 0001628280-26-045602.txt   22506932

Data Files

Seq Description Document Type Size
12 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT qtm-20260331.xsd EX-101.SCH 76292
13 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT qtm-20260331_cal.xml EX-101.CAL 143654
14 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT qtm-20260331_def.xml EX-101.DEF 397580
15 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT qtm-20260331_lab.xml EX-101.LAB 1000113
16 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT qtm-20260331_pre.xml EX-101.PRE 754327
126 EXTRACTED XBRL INSTANCE DOCUMENT qtm-20260331_htm.xml XML 1728124
Mailing Address 224 AIRPORT PARKWAY SUITE 550 SAN JOSE CA 95110
Business Address 224 AIRPORT PARKWAY SUITE 550 SAN JOSE CA 95110 408 944 4000
QUANTUM CORP /DE/ (Filer) CIK: 0000709283 (see all company filings)

EIN.: 942665054 | State of Incorp.: DE | Fiscal Year End: 0331
Type: 10-K | Act: 34 | File No.: 001-13449 | Film No.: 261123045
SIC: 3572 Computer Storage Devices
(CF Office: 06 Technology)