Quantum Corp (QMCO)

Over the last 90 days, Quantum Corp. has seen one insider transaction, a sale totaling $592.96. This activity is predominantly driven by executive sales, with a net value of -$592.96. The company's stock has experienced significant positive performance, with a 90-day price change of 118.5%. No recent earnings reports with beat/miss data are available.
Stock chart
Ticker: QMCO Exchange: NMS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Nash Laura A.
Chief Accounting Officer
1 sale — total 593 USD
Sale 2 Apr 2026
Value US$3,747,540.59 | Price 212.94 | Shares 37,947
Sale 2 Oct 2025
Value US$913,158.39 | Price 440.01 | Shares 25,000
Sale 2 Oct 2025
Value US$6,635.46 | Price 10.86 | Shares 611
Sale 1 Oct 2025
Value US$1,169.38 | Price 9.91 | Shares 118
Sale 12 Sep 2025
Value US$2,101.32 | Price 7.40 | Shares 284
Sale 21 Apr 2025
Value US$26,862.26 | Price 9.65 | Shares 2,784
Sale 21 Apr 2025
Value US$10,401.41 | Price 9.65 | Shares 1,078
Sale 21 Apr 2025
Value US$1,727.14 | Price 9.65 | Shares 179
Sale 15 Apr 2025
Value US$9,861,801.75 | Price 10.25 | Shares 962,127
Proposed sale 15 Apr 2025
Value US$11,728,328.13 | Price 12.19 | Shares 962,127
Sale 2 Apr 2025
Value US$1,747.11 | Price 12.85 | Shares 136
Sale 3 Feb 2025
Value US$27,535.59 | Price 21.53 | Shares 1,279
Sale 16 Jan 2025
Value US$53,056.16 | Price 35.68 | Shares 1,487
Sale 16 Jan 2025
Value US$33,360.80 | Price 35.68 | Shares 935
Sale 16 Jan 2025
Value US$71,217.28 | Price 35.68 | Shares 1,996
Sale 16 Jan 2025
Value US$89,592.48 | Price 35.68 | Shares 2,511
Sale 3 Jan 2025
Value US$1,389,244.64 | Price 61.52 | Shares 22,582
Sale 3 Jan 2025
Value US$116,211.28 | Price 61.52 | Shares 1,889
Sale 3 Jan 2025
Value US$232,730.16 | Price 61.52 | Shares 3,783
Sale 3 Jan 2025
Value US$393,297.36 | Price 61.52 | Shares 6,393
Sale 3 Jan 2025
Value US$5,719,514.40 | Price 61.52 | Shares 92,970
Sale 3 Jan 2025
Value US$6,187,558.56 | Price 61.52 | Shares 100,578
Sale 8 Nov 2024
Value US$1,294.95 | Price 4.45 | Shares 291
Sale 8 Nov 2024
Value US$3,034.55 | Price 4.43 | Shares 685
Sale 8 Nov 2024
Value US$1,745.42 | Price 4.43 | Shares 394
Sale 8 Nov 2024
Value US$23,864.41 | Price 4.43 | Shares 5,387
Sale 8 Nov 2024
Value US$28,817.15 | Price 4.43 | Shares 6,505
Sale 8 Nov 2024
Value US$11,473.70 | Price 4.43 | Shares 2,590
Proposed sale 2 Nov 2023
Value US$2,472.18 | Price 0.45 | Shares 5,543
Sale 2 Nov 2023
Value US$2,586.36 | Price 0.47 | Shares 5,543
Sale 10 Oct 2023
Value US$21,774.78 | Price 0.60 | Shares 36,045
Proposed sale 10 Oct 2023
Value US$23,969.93 | Price 0.67 | Shares 36,045
Proposed sale 4 Oct 2023
Value US$541.68 | Price 0.61 | Shares 888
Sale 4 Oct 2023
Value US$527.12 | Price 0.59 | Shares 888
Proposed sale 4 Oct 2023
Value US$574.62 | Price 0.61 | Shares 942
Sale 4 Oct 2023
Value US$559.17 | Price 0.59 | Shares 942
Proposed sale 5 Sep 2023
Value US$26,877.06 | Price 0.63 | Shares 42,662
Sale 5 Sep 2023
Value US$26,454.71 | Price 0.62 | Shares 42,662
Proposed sale 10 Jul 2023
Value US$3,888.00 | Price 1.08 | Shares 3,600
Sale 10 Jul 2023
Value US$3,844.80 | Price 1.07 | Shares 3,600
Proposed sale 10 Jul 2023
Value US$24,495.48 | Price 1.08 | Shares 22,681
Planned sale 10 Jul 2023
Value US$24,223.31 | Price 1.07 | Shares 22,681
Proposed sale 10 Jul 2023
Value US$171,604.44 | Price 1.08 | Shares 158,893
Planned sale 10 Jul 2023
Value US$169,697.72 | Price 1.07 | Shares 158,893
Proposed sale 10 Jul 2023
Value US$16,927.92 | Price 1.08 | Shares 15,674
Sale 10 Jul 2023
Value US$16,739.83 | Price 1.07 | Shares 15,674
Proposed sale 2 May 2023
Value US$29,832.98 | Price 0.97 | Shares 30,915
Sale 2 May 2023
Value US$29,372.34 | Price 0.95 | Shares 30,915
Sale 2 Nov 2022
Value US$1,199.74 | Price 1.39 | Shares 863
Sale 11 Oct 2022
Value US$37,821.20 | Price 1.15 | Shares 32,888
Sale 11 Oct 2022
Value US$2,725.50 | Price 1.15 | Shares 2,370
Sale 5 Oct 2022
Value US$14,341.34 | Price 1.26 | Shares 11,346
Sale 5 Oct 2022
Value US$915.14 | Price 1.26 | Shares 724
Planned sale 9 Sep 2022
Value US$13,209.75 | Price 1.57 | Shares 8,416
Sale 9 Sep 2022
Value US$54,655.04 | Price 1.57 | Shares 34,821
Planned sale 9 Sep 2022
Value US$56,899.57 | Price 1.57 | Shares 36,251
Planned sale 6 Sep 2022
Value US$42,686.77 | Price 1.51 | Shares 28,352
Sale 21 Jul 2022
Value US$11,034.06 | Price 1.87 | Shares 5,911
Sale 15 Jul 2022
Value US$87,615.67 | Price 1.41 | Shares 62,152
Sale 8 Jul 2022
Value US$47,912.82 | Price 1.46 | Shares 32,817
Sale 5 May 2022
Value US$39,458.90 | Price 1.88 | Shares 20,952
Sale 7 Jan 2022
Value US$212,857.32 | Price 5.37 | Shares 39,670
Sale 7 Jan 2022
Value US$18,989.21 | Price 5.37 | Shares 3,539
Sale 7 Jan 2022
Value US$99,887.87 | Price 5.37 | Shares 18,616
Sale 2 Nov 2021
Value US$44,989.54 | Price 5.97 | Shares 7,542
Planned sale 10 Sep 2021
Value US$215,347.30 | Price 5.47 | Shares 39,394
Planned sale 10 Sep 2021
Value US$52,046.55 | Price 5.47 | Shares 9,521
Planned sale 10 Sep 2021
Value US$224,192.10 | Price 5.47 | Shares 41,012
Sale 21 Jul 2021
Value US$808,737.12 | Price 6.12 | Shares 132,125
Sale 7 Jul 2021
Value US$44,082.70 | Price 6.81 | Shares 6,470
Sale 7 Jul 2021
Value US$49,165.49 | Price 6.81 | Shares 7,216
Sale 11 Jun 2021
Value US$136,553.28 | Price 7.25 | Shares 18,830
Sale 4 Jun 2021
Value US$57,787.70 | Price 7.15 | Shares 8,077
Sale 4 Jun 2021
Value US$141,081.56 | Price 7.15 | Shares 19,719
Sale 26 Apr 2021
Value US$2,557,500.00 | Price 8.25 | Shares 310,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-04-03 2026-04-02 S Sale

Chief Accounting Officer

Officer
37,947 +47.1%
212.94
US$3,747,541
37,947 +47.1% 212.94 US$3,747,541
2025-10-03 2025-10-02 S Sale

President & CEO

Executive Director
25,000 -49.1%
440.01
US$913,158
25,000 -49.1% 440.01 US$913,158
2025-10-03 2025-10-02 S Sale

Chief Accounting Officer

Officer
93,741 -31.6%
340.35
US$2,434,823
93,741 -31.6% 340.35 US$2,434,823
2025-10-03 2025-10-01 S Sale

Chief Accounting Officer

Officer
118 -1.0%
9.91
US$1,169
118 -1.0% 9.91 US$1,169
2025-09-17 2025-09-12 S Sale

Chief Accounting Officer

Officer
284 -2.4%
7.40
US$2,101
284 -2.4% 7.40 US$2,101
2025-04-23 2025-04-21 S Sale

President & CEO

Executive Director
2,784 -2.5%
9.65
US$26,862
2,784 -2.5% 9.65 US$26,862
2025-04-23 2025-04-21 S Sale

SVP Chief Admin Ofcr & Secy

Officer
1,078 -3.6%
9.65
US$10,401
1,078 -3.6% 9.65 US$10,401
2025-04-23 2025-04-21 S Sale

Chief Accounting Officer

Officer
179 -0.7%
9.65
US$1,727
179 -0.7% 9.65 US$1,727
2025-04-17 2025-04-15 S Sale Large shareholder
962,127 -100.0%
10.25
US$9,861,802
962,127 -100.0% 10.25 US$9,861,802
2025-04-15 2025-04-15 PrS Proposed sale

Shareholder

962,127
12.19
US$11,728,328
962,127 12.19 US$11,728,328
2025-04-04 2025-04-02 S Sale

Chief Accounting Officer

Officer
136 -1.2%
12.85
US$1,747
136 -1.2% 12.85 US$1,747
2025-02-05 2025-02-03 S Sale

Chief Financial Officer

Officer
1,279 -3.8%
21.53
US$27,536
1,279 -3.8% 21.53 US$27,536
2025-01-17 2025-01-16 S Sale

Chief Financial Officer

Officer
1,487 -4.2%
35.68
US$53,056
1,487 -4.2% 35.68 US$53,056
2025-01-17 2025-01-16 S Sale

Chief Revenue Officer

Officer
935 -5.9%
35.68
US$33,361
935 -5.9% 35.68 US$33,361
2025-01-17 2025-01-16 S Sale

SVP Chief Admin Ofcr & Secy

Officer
1,996 -6.7%
35.68
US$71,217
1,996 -6.7% 35.68 US$71,217
2025-01-17 2025-01-16 S Sale

President & CEO

Executive Director
2,511 -2.3%
35.68
US$89,592
2,511 -2.3% 35.68 US$89,592
2025-01-07 2025-01-03 S Sale Large shareholder
22,582 -2.3%
61.52
US$1,389,245
22,582 -2.3% 61.52 US$1,389,245
2025-01-07 2025-01-03 S Sale Large shareholder
1,889 -0.2%
61.52
US$116,211
1,889 -0.2% 61.52 US$116,211
2025-01-07 2025-01-03 S Sale Large shareholder
3,783 -0.5%
61.52
US$232,730
3,783 -0.5% 61.52 US$232,730
2025-01-07 2025-01-03 S Sale Large shareholder
6,393 -0.9%
61.52
US$393,297
6,393 -0.9% 61.52 US$393,297
2025-01-07 2025-01-03 S Sale Large shareholder
92,970 -12.5%
61.52
US$5,719,514
92,970 -12.5% 61.52 US$5,719,514
2025-01-07 2025-01-03 S Sale Large shareholder
100,578 -16.1%
61.52
US$6,187,559
100,578 -16.1% 61.52 US$6,187,559
2025-01-17 2024-11-08 S Sale Cabrera Brian E

SVP Chief Admin Ofcr & Secy

Officer
291 -1.0%
4.45
US$1,295
291 -1.0% 4.45 US$1,295
2024-12-05 2024-11-08 S Sale

Chief Accounting Officer

Officer
685 -5.7%
4.43
US$3,035
685 -5.7% 4.43 US$3,035
2024-12-05 2024-11-08 S Sale

Chief Revenue Officer

Officer
394 -2.5%
4.43
US$1,745
394 -2.5% 4.43 US$1,745
2024-12-05 2024-11-08 S Sale

SVP Chief Admin Ofcr & Secy

Officer
5,387 -16.7%
4.43
US$23,864
5,387 -16.7% 4.43 US$23,864
2024-12-05 2024-11-08 S Sale

President & CEO

Executive Director
6,505 -5.7%
4.43
US$28,817
6,505 -5.7% 4.43 US$28,817
2024-12-05 2024-11-08 S Sale

Chief Financial Officer

Officer
2,590 -7.1%
4.43
US$11,474
2,590 -7.1% 4.43 US$11,474
2023-11-03 2023-11-02 PrS Proposed sale

Officer

Officer
5,543
0.45
US$2,472
5,543 0.45 US$2,472
2023-11-03 2023-11-02 S Sale

SVP Chief Admin Ofcr & Secy

Officer
5,543 -2.4%
0.47
US$2,586
5,543 -2.4% 0.47 US$2,586
2023-10-12 2023-10-10 S Sale

President & CEO

Executive Director
36,045 -2.1%
0.60
US$21,775
36,045 -2.1% 0.60 US$21,775
2023-10-11 2023-10-10 PrS Proposed sale

Officer

Officer
36,045
0.67
US$23,970
36,045 0.67 US$23,970
2023-10-06 2023-10-04 PrS Proposed sale

Officer

Officer
888
0.61
US$542
888 0.61 US$542
2023-10-06 2023-10-04 PrS Proposed sale

Officer

Officer
942
0.61
US$575
942 0.61 US$575
2023-10-06 2023-10-04 S Sale

SVP Chief Admin Ofcr & Secy

Officer
942 -0.4%
0.59
US$559
942 -0.4% 0.59 US$559
2023-10-06 2023-10-04 S Sale

Chief Accounting Officer

Officer
888 -1.3%
0.59
US$527
888 -1.3% 0.59 US$527
2023-09-06 2023-09-05 PrS Proposed sale

Officer

Officer
42,662
0.63
US$26,877
42,662 0.63 US$26,877
2023-09-06 2023-09-05 S Sale

Chief Revenue Officer

Officer
42,662 -11.1%
0.62
US$26,455
42,662 -11.1% 0.62 US$26,455
2023-07-12 2023-07-10 PrS Proposed sale

Officer

Officer
3,600
1.08
US$3,888
3,600 1.08 US$3,888
2023-07-12 2023-07-10 PrS Proposed sale

Officer

Officer
22,681
1.08
US$24,495
22,681 1.08 US$24,495
2023-07-12 2023-07-10 PrS Proposed sale

Officer

Officer
158,893
1.08
US$171,604
158,893 1.08 US$171,604
2023-07-12 2023-07-10 PrS Proposed sale

Officer

Officer
15,674
1.08
US$16,928
15,674 1.08 US$16,928
2023-07-12 2023-07-10 S Sale

Chief Accounting Officer

Officer
3,600 -5.0%
1.07
US$3,845
3,600 -5.0% 1.07 US$3,845
2023-07-12 2023-07-10 PlS Planned sale

Chief Revenue Officer

Officer
22,681 -5.6%
1.07
US$24,223
22,681 -5.6% 1.07 US$24,223
2023-07-12 2023-07-10 S Sale

SVP Chief Admin Ofcr & Secy

Officer
15,674 -6.4%
1.07
US$16,740
15,674 -6.4% 1.07 US$16,740
2023-07-12 2023-07-10 PlS Planned sale

President & CEO

Executive Director
158,893 -8.4%
1.07
US$169,698
158,893 -8.4% 1.07 US$169,698
2023-05-04 2023-05-02 PrS Proposed sale

Officer

Officer
30,915
0.97
US$29,833
30,915 0.97 US$29,833
2023-05-04 2023-05-02 S Sale

SVP Chief Admin Ofcr & Secy

Officer
30,915 -11.2%
0.95
US$29,372
30,915 -11.2% 0.95 US$29,372
2022-11-03 2022-11-02 S Sale

SVP Chief Admin Ofcr & Secy

Officer
863 -0.3%
1.39
US$1,200
863 -0.3% 1.39 US$1,200
2022-10-12 2022-10-11 S Sale

President & CEO

Executive Director
32,888 -1.7%
1.15
US$37,821
32,888 -1.7% 1.15 US$37,821
2022-10-12 2022-10-11 S Sale

Chief Accounting Officer

Officer
2,370 -1.2%
1.15
US$2,726
2,370 -1.2% 1.15 US$2,726
2022-10-07 2022-10-05 S Sale

Senior Vice President, CFO

Officer
11,346 -1.3%
1.26
US$14,341
11,346 -1.3% 1.26 US$14,341
2022-10-07 2022-10-05 S Sale

SVP Chief Admin Ofcr & Secy

Officer
724 -0.3%
1.26
US$915
724 -0.3% 1.26 US$915
2022-09-12 2022-09-09 PlS Planned sale

Chief Accounting Officer

Officer
8,416 -4.0%
1.57
US$13,210
8,416 -4.0% 1.57 US$13,210
2022-09-12 2022-09-09 S Sale

Senior Vice President, CFO

Officer
34,821 -3.8%
1.57
US$54,655
34,821 -3.8% 1.57 US$54,655
2022-09-12 2022-09-09 PlS Planned sale

President & CEO

Executive Director
36,251 -1.8%
1.57
US$56,900
36,251 -1.8% 1.57 US$56,900
2022-09-07 2022-09-06 PlS Planned sale

Chief Revenue Officer

Officer
28,352 -6.6%
1.51
US$42,687
28,352 -6.6% 1.51 US$42,687
2022-07-25 2022-07-21 S Sale

Chief Accounting Officer

Officer
5,911 -2.7%
1.87
US$11,034
5,911 -2.7% 1.87 US$11,034
2022-07-19 2022-07-15 S Sale

President & CEO

Executive Director
62,152 -3.1%
1.41
US$87,616
62,152 -3.1% 1.41 US$87,616
2022-07-12 2022-07-08 S Sale

Senior Vice President, CFO

Officer
32,817 -3.5%
1.46
US$47,913
32,817 -3.5% 1.46 US$47,913
2022-05-09 2022-05-05 S Sale

Chief Legal & Ofcr; Corp Secy

Officer
20,952 -11.3%
1.88
US$39,459
20,952 -11.3% 1.88 US$39,459
2022-01-10 2022-01-07 S Sale

President & CEO

Executive Director
39,670 -2.3%
5.37
US$212,857
39,670 -2.3% 5.37 US$212,857
2022-01-10 2022-01-07 S Sale

Chief Accounting Officer

Officer
3,539 -1.9%
5.37
US$18,989
3,539 -1.9% 5.37 US$18,989
2022-01-10 2022-01-07 S Sale

Senior Vice President, CFO

Officer
18,616 -2.2%
5.37
US$99,888
18,616 -2.2% 5.37 US$99,888
2021-11-08 2021-11-02 S Sale

Chief Accounting Officer

Officer
7,542 -3.8%
5.97
US$44,990
7,542 -3.8% 5.97 US$44,990
2021-09-13 2021-09-10 PlS Planned sale

Senior Vice President, CFO

Officer
39,394 -5.0%
5.47
US$215,347
39,394 -5.0% 5.47 US$215,347
2021-09-13 2021-09-10 PlS Planned sale

Chief Accounting Officer

Officer
9,521 -5.0%
5.47
US$52,047
9,521 -5.0% 5.47 US$52,047
2021-09-13 2021-09-10 PlS Planned sale

President & CEO

Executive Director
41,012 -2.6%
5.47
US$224,192
41,012 -2.6% 5.47 US$224,192
2021-07-22 2021-07-21 S Sale

President & CEO

Executive Director
132,125 -7.9%
6.12
US$808,737
132,125 -7.9% 6.12 US$808,737
2021-07-08 2021-07-07 S Sale

Chief Accounting Officer

Officer
6,470 -3.3%
6.81
US$44,083
6,470 -3.3% 6.81 US$44,083
2021-07-08 2021-07-07 S Sale

Chief Revenue Officer

Officer
7,216 -2.5%
6.81
US$49,165
7,216 -2.5% 6.81 US$49,165
2021-06-14 2021-06-11 S Sale

Senior Vice President, CFO

Officer
18,830 -2.3%
7.25
US$136,553
18,830 -2.3% 7.25 US$136,553
2021-06-07 2021-06-04 S Sale

Chief Accounting Officer

Officer
8,077 -3.9%
7.15
US$57,788
8,077 -3.9% 7.15 US$57,788
2021-06-07 2021-06-04 S Sale

Senior Vice President, CFO

Officer
19,719 -2.3%
7.15
US$141,082
19,719 -2.3% 7.15 US$141,082
2021-04-28 2021-04-26 S Sale Large shareholder
310,000 -12.1%
8.25
US$2,557,500
310,000 -12.1% 8.25 US$2,557,500