Quantum Corporation

Patel Hiral bought 0 shares of QMCO on 1 September. They now own 0 QMCO shares.

Craythorne Anthony sold 1,478 shares of QMCO on 3 August. They now own 13,522 QMCO shares.

Nash Laura A. sold 260 shares of QMCO on 2 July. They now own 10,770 QMCO shares.

Meyrath Hugues sold 6,232 shares of QMCO on 2 July. They now own 118,468 QMCO shares.

Fichthorn John bought 11,020,645 shares of QMCO on 4 June. They now own 11,020,645 QMCO shares.

Dialectic Technology Spv Llc bought 11,020,645 shares of QMCO on 4 June. They now own 11,020,645 QMCO shares.

Dialectic Technology Spv Llc bought 3,083,975 shares of QMCO on 4 June. They now own 14,104,620 QMCO shares.

Fichthorn John sold 57,241,228 shares of QMCO on 4 June. They now own 0 QMCO shares.

Dialectic Technology Spv Llc sold 0 shares of QMCO on 4 June. They now own 0 QMCO shares.

Fichthorn John bought 3,083,975 shares of QMCO on 4 June. They now own 14,104,620 QMCO shares.

Dialectic Technology Spv Llc bought 105,911 shares of QMCO on 1 June. They now own 105,911 QMCO shares.

Fichthorn John bought 105,911 shares of QMCO on 1 June. They now own 105,911 QMCO shares.

Nash Laura A. sold 109 shares of QMCO on 2 April. They now own 11,030 QMCO shares.

Nash Laura A. bought 49,500 shares of QMCO on 1 April. They now own 49,500 QMCO shares.

Craythorne Anthony bought 148,500 shares of QMCO on 1 April. They now own 148,500 QMCO shares.

Meyrath Hugues bought 850,000 shares of QMCO on 1 April. They now own 850,000 QMCO shares.

White William Hillis bought 25,000 shares of QMCO on 4 March. They now own 25,000 QMCO shares.

White William Hillis bought 0 shares of QMCO on 2 February. They now own 0 QMCO shares.

Fichthorn John bought 12,000 shares of QMCO on 1 January. They now own 27,271 QMCO shares.

Meyrath Hugues bought 62,500 shares of QMCO on 1 January. They now own 124,700 QMCO shares.

Jaworksi Don bought 12,000 shares of QMCO on 1 January. They now own 39,675 QMCO shares.

Blevins Tony J bought 12,000 shares of QMCO on 1 January. They now own 13,000 QMCO shares.

Clancy James C bought 12,000 shares of QMCO on 1 January. They now own 13,000 QMCO shares.

Tracy John R. bought 12,000 shares of QMCO on 1 January. They now own 27,000 QMCO shares.

White Yue Zhou bought 12,000 shares of QMCO on 1 January. They now own 41,139 QMCO shares.

Craythorne Anthony bought 15,000 shares of QMCO on 1 January. They now own 15,000 QMCO shares.

Meyrath Hugues bought 50,000 shares of QMCO on 1 January. They now own 50,000 QMCO shares.

Dialectic Technology Spv Llc bought 0 shares of QMCO on 18 December. They now own 0 QMCO shares.

Fichthorn John bought 0 shares of QMCO on 18 December. They now own 0 QMCO shares.

Clancy James C bought 1,000 shares of QMCO on 1 November. They now own 1,000 QMCO shares.

Meyrath Hugues bought 37,500 shares of QMCO on 1 November. They now own 62,200 QMCO shares.

Blevins Tony J bought 1,000 shares of QMCO on 1 November. They now own 1,000 QMCO shares.

Meyrath Hugues bought 50,000 shares of QMCO on 1 November. They now own 50,000 QMCO shares.

Nash Laura A. sold 611 shares of QMCO on 2 October. They now own 11,139 QMCO shares.

Meyrath Hugues sold 2,975 shares of QMCO on 2 October. They now own 24,700 QMCO shares.

Nash Laura A. sold 118 shares of QMCO on 1 October. They now own 11,750 QMCO shares.

Nash Laura A. bought 500 shares of QMCO on 1 October. They now own 11,868 QMCO shares.

Fichthorn John bought 2,653,308 shares of QMCO on 23 September. They now own 2,653,308 QMCO shares.

Dialectic Technology Spv Llc bought 2,653,308 shares of QMCO on 23 September. They now own 0 QMCO shares.

Nash Laura A. sold 284 shares of QMCO on 12 September. They now own 11,368 QMCO shares.

Blevins Tony J bought 0 shares of QMCO on 27 August. They now own 0 QMCO shares.

Clancy James C bought 0 shares of QMCO on 2 August. They now own 0 QMCO shares.

Craythorne Anthony bought 0 shares of QMCO on 2 July. They now own 0 QMCO shares.

Fichthorn John bought 4,405 shares of QMCO on 1 May. They now own 15,271 QMCO shares.

Moorehead Lewis W. bought 333 shares of QMCO on 21 April. They now own 25,150 QMCO shares.

Moorehead Lewis W. sold 179 shares of QMCO on 21 April. They now own 24,971 QMCO shares.

Lerner James J bought 5,828 shares of QMCO on 21 April. They now own 113,632 QMCO shares.

Cabrera Brian E bought 1,874 shares of QMCO on 21 April. They now own 29,814 QMCO shares.

Lerner James J sold 2,784 shares of QMCO on 21 April. They now own 110,848 QMCO shares.

Cabrera Brian E sold 1,078 shares of QMCO on 21 April. They now own 28,736 QMCO shares.

Pacific Investment Management Co Llc sold 962,127 shares of QMCO on 15 April. They now own 0 QMCO shares.

Moorehead Lewis W. bought 0 shares of QMCO on 4 April. They now own 24,817 QMCO shares.

Fichthorn John bought 0 shares of QMCO on 3 April. They now own 10,866 QMCO shares.

Nash Laura A. sold 136 shares of QMCO on 2 April. They now own 11,652 QMCO shares.

Gianella Kenneth P. sold 1,279 shares of QMCO on 3 February. They now own 32,402 QMCO shares.

Cabrera Brian E sold 1,996 shares of QMCO on 16 January. They now own 27,940 QMCO shares.

Lerner James J sold 2,511 shares of QMCO on 16 January. They now own 107,804 QMCO shares.

Spanjaard Henk Jan sold 935 shares of QMCO on 16 January. They now own 14,903 QMCO shares.

Gianella Kenneth P. sold 1,487 shares of QMCO on 16 January. They now own 33,681 QMCO shares.

Pacific Investment Management Co Llc bought 37,536 shares of QMCO on 3 January. They now own 747,572 QMCO shares.

Pacific Investment Management Co Llc sold 100,578 shares of QMCO on 3 January. They now own 525,994 QMCO shares.

Pacific Investment Management Co Llc sold 1,889 shares of QMCO on 3 January. They now own 760,650 QMCO shares.

Pacific Investment Management Co Llc sold 224,059 shares of QMCO on 3 January. They now own 0 QMCO shares.

Pacific Investment Management Co Llc bought 18,750 shares of QMCO on 3 January. They now own 762,539 QMCO shares.

Pacific Investment Management Co Llc bought 224,059 shares of QMCO on 3 January. They now own 984,709 QMCO shares.

Pacific Investment Management Co Llc sold 92,970 shares of QMCO on 3 January. They now own 652,994 QMCO shares.

Pacific Investment Management Co Llc bought 63,435 shares of QMCO on 3 January. They now own 716,429 QMCO shares.

Pacific Investment Management Co Llc bought 219,970 shares of QMCO on 3 January. They now own 745,964 QMCO shares.

Pacific Investment Management Co Llc sold 6,393 shares of QMCO on 3 January. They now own 710,036 QMCO shares.

Pacific Investment Management Co Llc bought 114,155 shares of QMCO on 3 January. They now own 626,572 QMCO shares.

Pacific Investment Management Co Llc sold 22,582 shares of QMCO on 3 January. They now own 962,127 QMCO shares.

Pacific Investment Management Co Llc sold 3,783 shares of QMCO on 3 January. They now own 743,789 QMCO shares.

Lerner James J sold 6,505 shares of QMCO on 8 November. They now own 107,491 QMCO shares.

Cabrera Brian E sold 5,387 shares of QMCO on 8 November. They now own 26,958 QMCO shares.

Nash Laura A. sold 328 shares of QMCO on 8 November. They now own 11,788 QMCO shares.

Lerner James J sold 3,681 shares of QMCO on 8 November. They now own 110,315 QMCO shares.

Gianella Kenneth P. sold 2,590 shares of QMCO on 8 November. They now own 33,910 QMCO shares.

Spanjaard Henk Jan sold 218 shares of QMCO on 8 November. They now own 15,838 QMCO shares.

Spanjaard Henk Jan sold 394 shares of QMCO on 8 November. They now own 15,662 QMCO shares.

Nash Laura A. sold 685 shares of QMCO on 8 November. They now own 11,431 QMCO shares.

Gianella Kenneth P. sold 1,332 shares of QMCO on 8 November. They now own 35,168 QMCO shares.

Cabrera Brian E sold 2,118 shares of QMCO on 8 November. They now own 30,227 QMCO shares.

Cabrera Brian E sold 291 shares of QMCO on 8 November. They now own 29,936 QMCO shares.

Tracy John R. bought 3,000 shares of QMCO on 1 November. They now own 15,000 QMCO shares.

Gianella Kenneth P. bought 0 shares of QMCO on 1 October. They now own 0 QMCO shares.

Spanjaard Henk Jan bought 10,000 shares of QMCO on 1 October. They now own 131,112 QMCO shares.

Lerner James J bought 0 shares of QMCO on 1 October. They now own 0 QMCO shares.

Cabrera Brian E bought 0 shares of QMCO on 1 October. They now own 0 QMCO shares.

Lerner James J bought 18,750 shares of QMCO on 1 October. They now own 1,923,658 QMCO shares.

Gianella Kenneth P. bought 17,750 shares of QMCO on 1 October. They now own 392,750 QMCO shares.

Spanjaard Henk Jan bought 0 shares of QMCO on 1 October. They now own 0 QMCO shares.

Meyrath Hugues bought 12,000 shares of QMCO on 1 October. They now own 85,498 QMCO shares.

Meyrath Hugues bought 12,000 shares of QMCO on 1 October. They now own 97,498 QMCO shares.

Nash Laura A. bought 7,500 shares of QMCO on 1 October. They now own 99,804 QMCO shares.

White Yue Zhou bought 0 shares of QMCO on 1 October. They now own 0 QMCO shares.

Nash Laura A. bought 0 shares of QMCO on 1 October. They now own 0 QMCO shares.

Meyrath Hugues bought 0 shares of QMCO on 1 October. They now own 0 QMCO shares.

White Yue Zhou bought 12,000 shares of QMCO on 1 October. They now own 126,766 QMCO shares.

Jaworksi Don bought 12,000 shares of QMCO on 1 October. They now own 97,498 QMCO shares.

White Yue Zhou bought 12,000 shares of QMCO on 1 October. They now own 114,766 QMCO shares.

Jaworksi Don bought 12,000 shares of QMCO on 1 October. They now own 85,498 QMCO shares.

Jaworksi Don bought 0 shares of QMCO on 1 October. They now own 0 QMCO shares.

Tracy John R. bought 12,000 shares of QMCO on 1 October. They now own 12,000 QMCO shares.

Cabrera Brian E bought 13,750 shares of QMCO on 1 October. They now own 385,637 QMCO shares.

Pacific Investment Management Co Llc bought 4,481,169 shares of QMCO on 13 August. They now own 4,481,169 QMCO shares.

Pacific Investment Management Co Llc bought 375,000 shares of QMCO on 11 July. They now own 375,000 QMCO shares.

Tracy John R. bought 0 shares of QMCO on 28 June. They now own 0 QMCO shares.

Arden Todd bought 0 shares of QMCO on 6 June. They now own 0 QMCO shares.

Pacific Investment Management Co Llc bought 750,000 shares of QMCO on 24 May. They now own 750,000 QMCO shares.

Nash Laura A. bought 25,000 shares of QMCO on 1 April. They now own 92,304 QMCO shares.

Lerner James J bought 200,000 shares of QMCO on 1 January. They now own 1,904,908 QMCO shares.

Gianella Kenneth P. bought 150,000 shares of QMCO on 1 January. They now own 375,000 QMCO shares.

Cabrera Brian E bought 150,000 shares of QMCO on 1 January. They now own 371,887 QMCO shares.

Spanjaard Henk Jan bought 75,000 shares of QMCO on 1 January. They now own 121,112 QMCO shares.

Spanjaard Henk Jan sold 0 shares of QMCO on 9 November. They now own 46,112 QMCO shares.

Cabrera Brian E sold 5,543 shares of QMCO on 2 November. They now own 221,887 QMCO shares.

Lerner James J sold 36,045 shares of QMCO on 10 October. They now own 1,704,908 QMCO shares.

Cabrera Brian E sold 942 shares of QMCO on 4 October. They now own 227,430 QMCO shares.

Nash Laura A. sold 888 shares of QMCO on 4 October. They now own 67,304 QMCO shares.

Hurley John sold 42,662 shares of QMCO on 5 September. They now own 341,519 QMCO shares.

Gianella Kenneth P. bought 25,000 shares of QMCO on 1 September. They now own 0 QMCO shares.

Gianella Kenneth P. bought 50,000 shares of QMCO on 1 September. They now own 225,000 QMCO shares.

Lerner James J sold 158,893 shares of QMCO on 10 July. They now own 1,740,953 QMCO shares.

Nash Laura A. sold 3,600 shares of QMCO on 10 July. They now own 68,192 QMCO shares.

Hurley John sold 22,681 shares of QMCO on 10 July. They now own 384,181 QMCO shares.

Cabrera Brian E sold 15,674 shares of QMCO on 10 July. They now own 228,372 QMCO shares.

Nash Laura A. bought 50,000 shares of QMCO on 1 July. They now own 71,792 QMCO shares.

Nash Laura A. bought 50,000 shares of QMCO on 1 July. They now own 50,000 QMCO shares.

Nash Laura A. sold 0 shares of QMCO on 6 June. They now own 21,792 QMCO shares.

Pacific Investment Management Co Llc bought 1,250,000 shares of QMCO on 1 June. They now own 1,250,000 QMCO shares.

Cabrera Brian E sold 30,915 shares of QMCO on 2 May. They now own 244,046 QMCO shares.

Gianella Kenneth P. bought 175,000 shares of QMCO on 1 February. They now own 175,000 QMCO shares.

Gianella Kenneth P. sold 24,975 shares of QMCO on 1 February. They now own 0 QMCO shares.

Gianella Kenneth P. bought 0 shares of QMCO on 12 January. They now own 0 QMCO shares.

Gianella Kenneth P. bought 0 shares of QMCO on 12 January. They now own 0 QMCO shares.

Meyrath Hugues bought 73,498 shares of QMCO on 9 November. They now own 73,498 QMCO shares.

Jaworksi Don bought 0 shares of QMCO on 9 November. They now own 0 QMCO shares.

Meyrath Hugues bought 0 shares of QMCO on 9 November. They now own 0 QMCO shares.

Jaworksi Don bought 73,498 shares of QMCO on 9 November. They now own 73,498 QMCO shares.

Jaworksi Don bought 0 shares of QMCO on 9 November. They now own 0 QMCO shares.

Meyrath Hugues bought 0 shares of QMCO on 9 November. They now own 0 QMCO shares.

Cabrera Brian E sold 863 shares of QMCO on 2 November. They now own 274,961 QMCO shares.

Cabrera Brian E bought 25,000 shares of QMCO on 1 November. They now own 275,824 QMCO shares.

Cabrera Brian E sold 8,325 shares of QMCO on 1 November. They now own 0 QMCO shares.

Moorehead Lewis W. sold 2,370 shares of QMCO on 11 October. They now own 201,553 QMCO shares.

Lerner James J sold 32,888 shares of QMCO on 11 October. They now own 1,894,811 QMCO shares.

Cabrera Brian E sold 724 shares of QMCO on 5 October. They now own 250,824 QMCO shares.

Dodson J Michael sold 11,346 shares of QMCO on 5 October. They now own 870,372 QMCO shares.

Lerner James J sold 36,251 shares of QMCO on 9 September. They now own 1,927,699 QMCO shares.

Moorehead Lewis W. sold 8,416 shares of QMCO on 9 September. They now own 203,923 QMCO shares.

Hurley John sold 28,352 shares of QMCO on 6 September. They now own 400,981 QMCO shares.

Rothman Marc E bought 79,618 shares of QMCO on 1 September. They now own 297,625 QMCO shares.

Jacoby Rebecca bought 79,618 shares of QMCO on 1 September. They now own 158,624 QMCO shares.

White Yue Zhou bought 79,618 shares of QMCO on 1 September. They now own 102,766 QMCO shares.

Neumeyer Christopher D. bought 0 shares of QMCO on 16 August. They now own 0 QMCO shares.

Moorehead Lewis W. sold 5,911 shares of QMCO on 21 July. They now own 210,762 QMCO shares.

Lerner James J sold 62,152 shares of QMCO on 15 July. They now own 1,962,993 QMCO shares.

Dodson J Michael sold 32,817 shares of QMCO on 8 July. They now own 916,539 QMCO shares.

Moorehead Lewis W. bought 20,000 shares of QMCO on 1 July. They now own 216,673 QMCO shares.

Hurley John sold 49,950 shares of QMCO on 1 July. They now own 0 QMCO shares.

Lerner James J bought 350,000 shares of QMCO on 1 July. They now own 2,025,145 QMCO shares.

Dodson J Michael bought 41,625 shares of QMCO on 1 July. They now own 0 QMCO shares.

Lerner James J sold 116,550 shares of QMCO on 1 July. They now own 0 QMCO shares.

Cabrera Brian E sold 29,137 shares of QMCO on 1 July. They now own 0 QMCO shares.

Moorehead Lewis W. sold 6,660 shares of QMCO on 1 July. They now own 0 QMCO shares.

Cabrera Brian E sold 20,952 shares of QMCO on 5 May. They now own 164,048 QMCO shares.

Rothman Marc E bought 57,882 shares of QMCO on 22 April. They now own 218,007 QMCO shares.

Lerner James J sold 4,445 shares of QMCO on 22 April. They now own 0 QMCO shares.

Moorehead Lewis W. sold 10,422 shares of QMCO on 22 April. They now own 0 QMCO shares.

Rothman Marc E sold 57,882 shares of QMCO on 22 April. They now own 0 QMCO shares.

Dodson J Michael sold 10,000 shares of QMCO on 22 April. They now own 0 QMCO shares.

Jacoby Rebecca sold 16,592 shares of QMCO on 22 April. They now own 0 QMCO shares.

Pacific Investment Management Co Llc bought 0 shares of QMCO on 22 April. They now own 10,248,322 QMCO shares.

Lerner James J bought 4,445 shares of QMCO on 22 April. They now own 1,675,145 QMCO shares.

Rau Raghavendra sold 44,445 shares of QMCO on 22 April. They now own 0 QMCO shares.

Rau Raghavendra bought 44,445 shares of QMCO on 22 April. They now own 257,874 QMCO shares.

Lerner James J sold 4,445 shares of QMCO on 22 April. They now own 0 QMCO shares.

Rothman Marc E bought 49,431 shares of QMCO on 22 April. They now own 209,556 QMCO shares.

Moorehead Lewis W. bought 10,422 shares of QMCO on 22 April. They now own 196,673 QMCO shares.

Moorehead Lewis W. sold 10,422 shares of QMCO on 22 April. They now own 0 QMCO shares.

Jacoby Rebecca bought 16,592 shares of QMCO on 22 April. They now own 79,006 QMCO shares.

Lerner James J sold 39,670 shares of QMCO on 7 January. They now own 1,667,656 QMCO shares.

Moorehead Lewis W. sold 3,539 shares of QMCO on 7 January. They now own 185,469 QMCO shares.

Dodson J Michael sold 18,616 shares of QMCO on 7 January. They now own 810,450 QMCO shares.

Moorehead Lewis W. sold 7,542 shares of QMCO on 2 November. They now own 189,008 QMCO shares.

Cabrera Brian E bought 5,000 shares of QMCO on 1 November. They now own 185,000 QMCO shares.

Cabrera Brian E sold 5,000 shares of QMCO on 1 November. They now own 0 QMCO shares.

Lerner James J sold 200,000 shares of QMCO on 1 October. They now own 200,000 QMCO shares.

Cabrera Brian E bought 5,000 shares of QMCO on 1 October. They now own 180,000 QMCO shares.

Moorehead Lewis W. bought 15,000 shares of QMCO on 1 October. They now own 196,550 QMCO shares.

Rau Raghavendra bought 23,148 shares of QMCO on 1 October. They now own 213,429 QMCO shares.

Rothman Marc E bought 23,148 shares of QMCO on 1 October. They now own 160,125 QMCO shares.

Dodson J Michael sold 87,500 shares of QMCO on 1 October. They now own 0 QMCO shares.

Moorehead Lewis W. sold 15,000 shares of QMCO on 1 October. They now own 0 QMCO shares.

Dodson J Michael bought 87,500 shares of QMCO on 1 October. They now own 829,066 QMCO shares.

Jacoby Rebecca bought 23,148 shares of QMCO on 1 October. They now own 62,414 QMCO shares.

Cabrera Brian E sold 5,000 shares of QMCO on 1 October. They now own 0 QMCO shares.

Lerner James J bought 200,000 shares of QMCO on 1 October. They now own 1,707,326 QMCO shares.

White Yue Zhou bought 23,148 shares of QMCO on 1 October. They now own 23,148 QMCO shares.

B. Riley Financial, Inc. bought 0 shares of QMCO on 30 September. They now own 0 QMCO shares.