# Filing Detail

Form PRE 14A - Other preliminary proxy statements:
SEC Accession No. 0001539497-25-002758
Filing Date
2025-10-21
Accepted
2025-10-21 17:06:06
Documents
122
Period of Report
2025-10-21

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | PRE 14A | n5367_x1-pre14a.htm iXBRL | PRE 14A | 1304806
6 | GRAPHIC | n005367_ps-img001.jpg | GRAPHIC | 234513
7 | GRAPHIC | n005367_ps-img002.jpg | GRAPHIC | 13464
8 | GRAPHIC | n005367_ps-img003.jpg | GRAPHIC | 13284
9 | GRAPHIC | n005367_ps-img004.jpg | GRAPHIC | 6270
10 | GRAPHIC | n005367_ps-img005.jpg | GRAPHIC | 4735
11 | GRAPHIC | n005367_ps-img006.jpg | GRAPHIC | 24771
12 | GRAPHIC | n005367_ps-img007.jpg | GRAPHIC | 21956
13 | GRAPHIC | n005367_ps-img008.jpg | GRAPHIC | 25184
14 | GRAPHIC | n005367_ps-img009.jpg | GRAPHIC | 25659
15 | GRAPHIC | n005367_ps-img010.jpg | GRAPHIC | 6518
16 | GRAPHIC | n005367_ps-img011.jpg | GRAPHIC | 3609
17 | GRAPHIC | n005367_ps-img012.jpg | GRAPHIC | 392386
18 | GRAPHIC | n005367_ps-img013.jpg | GRAPHIC | 12845
19 | GRAPHIC | n005367_ps-img014.jpg | GRAPHIC | 13211
20 | GRAPHIC | n005367_ps-img015.jpg | GRAPHIC | 14808
21 | GRAPHIC | n005367_ps-img016.jpg | GRAPHIC | 13137
22 | GRAPHIC | n005367_ps-img016a.jpg | GRAPHIC | 13212
23 | GRAPHIC | n005367_ps-img017.jpg | GRAPHIC | 12457
24 | GRAPHIC | n005367_ps-img018.jpg | GRAPHIC | 12850
25 | GRAPHIC | n005367_ps-img019.jpg | GRAPHIC | 12923
26 | GRAPHIC | n005367_ps-img020.jpg | GRAPHIC | 1834
27 | GRAPHIC | n005367_ps-img021.jpg | GRAPHIC | 1778
28 | GRAPHIC | n005367_ps-img022.jpg | GRAPHIC | 11765
29 | GRAPHIC | n005367_ps-img023.jpg | GRAPHIC | 13378
30 | GRAPHIC | n005367_ps-img024.jpg | GRAPHIC | 1456
31 | GRAPHIC | n005367_ps-img025.jpg | GRAPHIC | 13022
32 | GRAPHIC | n005367_ps-img026.jpg | GRAPHIC | 1750
33 | GRAPHIC | n005367_ps-img027.jpg | GRAPHIC | 1503
34 | GRAPHIC | n005367_ps-img028.jpg | GRAPHIC | 12557
35 | GRAPHIC | n005367_ps-img029.jpg | GRAPHIC | 1238
36 | GRAPHIC | n005367_ps-img030.jpg | GRAPHIC | 14190
37 | GRAPHIC | n005367_ps-img031.jpg | GRAPHIC | 4435
38 | GRAPHIC | n005367_ps-img032.jpg | GRAPHIC | 9886
39 | GRAPHIC | n005367_ps-img033.jpg | GRAPHIC | 15924
40 | GRAPHIC | n005367_ps-img034.jpg | GRAPHIC | 108425
41 | GRAPHIC | n005367_ps-img035.jpg | GRAPHIC | 28345
42 | GRAPHIC | n005367_ps-img036.jpg | GRAPHIC | 22023
43 | GRAPHIC | n005367_ps-img037.jpg | GRAPHIC | 26087
44 | GRAPHIC | n005367_ps-img038.jpg | GRAPHIC | 27088
45 | GRAPHIC | n005367_ps-img039.jpg | GRAPHIC | 13947
46 | GRAPHIC | n005367_ps-img040.jpg | GRAPHIC | 4641
47 | GRAPHIC | n005367_ps-img041.jpg | GRAPHIC | 4131
48 | GRAPHIC | n005367_ps-img042.jpg | GRAPHIC | 3707
49 | GRAPHIC | n005367_ps-img043.jpg | GRAPHIC | 4493
50 | GRAPHIC | n005367_ps-img044.jpg | GRAPHIC | 3199
51 | GRAPHIC | n005367_ps-img045.jpg | GRAPHIC | 422661
52 | GRAPHIC | n005367_ps-img046.jpg | GRAPHIC | 6747
53 | GRAPHIC | n005367_ps-img047.jpg | GRAPHIC | 3464
54 | GRAPHIC | n005367_ps-img048.jpg | GRAPHIC | 5110
55 | GRAPHIC | n005367_ps-img049.jpg | GRAPHIC | 3067
56 | GRAPHIC | n005367_ps-img050.jpg | GRAPHIC | 3712
57 | GRAPHIC | n005367_ps-img051.jpg | GRAPHIC | 3985
58 | GRAPHIC | n005367_ps-img052.jpg | GRAPHIC | 3140
59 | GRAPHIC | n005367_ps-img053.jpg | GRAPHIC | 2680
60 | GRAPHIC | n005367_ps-img054.jpg | GRAPHIC | 3411
61 | GRAPHIC | n005367_ps-img055.jpg | GRAPHIC | 71551
62 | GRAPHIC | n005367_ps-img056.jpg | GRAPHIC | 3831
63 | GRAPHIC | n005367_ps-img057.jpg | GRAPHIC | 3235
64 | GRAPHIC | n005367_ps-img058.jpg | GRAPHIC | 4271
65 | GRAPHIC | n005367_ps-img059.jpg | GRAPHIC | 418565
66 | GRAPHIC | n005367_ps-img060.jpg | GRAPHIC | 9627
67 | GRAPHIC | n005367_ps-img061.jpg | GRAPHIC | 9785
68 | GRAPHIC | n005367_ps-img062.jpg | GRAPHIC | 10782
69 | GRAPHIC | n005367_ps-img063.jpg | GRAPHIC | 9769
70 | GRAPHIC | n005367_ps-img064.jpg | GRAPHIC | 9665
71 | GRAPHIC | n005367_ps-img065.jpg | GRAPHIC | 9802
72 | GRAPHIC | n005367_ps-img066.jpg | GRAPHIC | 9939
73 | GRAPHIC | n005367_ps-img067.jpg | GRAPHIC | 2591
74 | GRAPHIC | n005367_ps-img068.jpg | GRAPHIC | 2079
75 | GRAPHIC | n005367_ps-img069.jpg | GRAPHIC | 1596
76 | GRAPHIC | n005367_ps-img070.jpg | GRAPHIC | 1568
77 | GRAPHIC | n005367_ps-img071.jpg | GRAPHIC | 2103
78 | GRAPHIC | n005367_ps-img072.jpg | GRAPHIC | 2160
79 | GRAPHIC | n005367_ps-img073.jpg | GRAPHIC | 1942
80 | GRAPHIC | n005367_ps-img074.jpg | GRAPHIC | 1533
81 | GRAPHIC | n005367_ps-img075.jpg | GRAPHIC | 1889
82 | GRAPHIC | n005367_ps-img076.jpg | GRAPHIC | 1799
83 | GRAPHIC | n005367_ps-img077.jpg | GRAPHIC | 2300
84 | GRAPHIC | n005367_ps-img078.jpg | GRAPHIC | 117346
85 | GRAPHIC | n005367_ps-img079.jpg | GRAPHIC | 116204
86 | GRAPHIC | n005367_ps-img080.jpg | GRAPHIC | 3573
87 | GRAPHIC | n005367_ps-img081.jpg | GRAPHIC | 3640
88 | GRAPHIC | n005367_ps-img082.jpg | GRAPHIC | 3482
89 | GRAPHIC | n005367_ps-img083.jpg | GRAPHIC | 3646
90 | GRAPHIC | n005367_ps-img084.jpg | GRAPHIC | 2869
91 | GRAPHIC | n005367_ps-img085.jpg | GRAPHIC | 3350
92 | GRAPHIC | n005367_ps-img086.jpg | GRAPHIC | 2775
93 | GRAPHIC | n005367_ps-img087.jpg | GRAPHIC | 3573
94 | GRAPHIC | n005367_ps-img088.jpg | GRAPHIC | 4830
95 | GRAPHIC | n005367_ps-img089.jpg | GRAPHIC | 2383
96 | GRAPHIC | n005367_ps-img090.jpg | GRAPHIC | 1669
97 | GRAPHIC | n005367_ps-img091.jpg | GRAPHIC | 2226
98 | GRAPHIC | n005367_ps-img092.jpg | GRAPHIC | 2168
99 | GRAPHIC | n005367_ps-img093.jpg | GRAPHIC | 1425
100 | GRAPHIC | n005367_ps-img094.jpg | GRAPHIC | 84720
101 | GRAPHIC | n005367_ps-img095.jpg | GRAPHIC | 78520
102 | GRAPHIC | n005367_ps-img096.jpg | GRAPHIC | 80978
103 | GRAPHIC | n005367_ps-img097.jpg | GRAPHIC | 394019
104 | GRAPHIC | n005367_ps-img098.jpg | GRAPHIC | 6540
105 | GRAPHIC | n005367_ps-img099.jpg | GRAPHIC | 6497
106 | GRAPHIC | n005367_ps-img100.jpg | GRAPHIC | 7000
107 | GRAPHIC | n005367_ps-img101.jpg | GRAPHIC | 407061
108 | GRAPHIC | n005367_ps-img102.jpg | GRAPHIC | 417685
109 | GRAPHIC | n005367_ps-img103.jpg | GRAPHIC | 447332
110 | GRAPHIC | n005367_ps-img104.jpg | GRAPHIC | 357601
111 | GRAPHIC | n005367_ps-img105.jpg | GRAPHIC | 332313
| Complete submission text file | 0001539497-25-002758.txt |  | 16191913

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
2 | XBRL SCHEMA FILE | cik0000709283-20250331.xsd | EX-101.SCH | 3455
3 | XBRL DEFINITION FILE | cik0000709283-20250331_def.xml | EX-101.DEF | 5354
4 | XBRL LABEL FILE | cik0000709283-20250331_lab.xml | EX-101.LAB | 57685
5 | XBRL PRESENTATION FILE | cik0000709283-20250331_pre.xml | EX-101.PRE | 41986
125 | EXTRACTED XBRL INSTANCE DOCUMENT | n5367_x1-pre14a_htm.xml | XML | 214050

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: PRE 14A | Act: 34 | File No.: 001-13449 | Film No.: 251407845
SIC: 3572 Computer Storage Devices
(CF Office: 06 Technology)