Insider Trading activities of Quantum Corp /de/ insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Quantum Corp /de/ since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Quantum Corp /de/ since year 2005. Table 2 shows the detailed insider transactions of Quantum Corp /de/ since 2005. The reporting company's ticker symbol is QTM. The reporting company's CIK number is 709283.
The total value of stock buying since 2005 is $59,453,913.
The total value of stock sales since 2005 is $55,469,902.
The total value of stock option exercises since 2005 is $4,671,398.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Quantum Corp /de/ (QTM).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-10 0 $0 5,793 $35,881 0 $0
2017-09 0 $0 12,254 $67,397 0 $0
2017-07 0 $0 88,912 $727,221 0 $0
2016-12 0 $0 37,300,000 $34,237,500 0 $0
2016-03 0 $0 3,452,008 $2,129,284 0 $0
2016-01 0 $0 10,000,000 $7,100,000 0 $0
2015-11 175,000 $159,268 0 $0 0 $0
2015-08 18,181 $19,999 0 $0 0 $0
2014-12 100,000 $160,800 0 $0 0 $0
2014-11 0 $0 170,000 $238,339 0 $0
2014-02 0 $0 96,332 $113,671 0 $0
2013-04 1,675,000 $2,078,850 0 $0 0 $0
2013-03 1,000,000 $1,220,000 0 $0 0 $0
2012-01 30,000 $72,900 0 $0 0 $0
2011-12 0 $0 7,500 $20,625 7,500 $10,987
2011-11 0 $0 230,000 $642,500 30,000 $43,950
2011-08 100,000 $193,750 0 $0 0 $0
2011-07 0 $0 419,529 $1,381,522 287,500 $583,886
2011-06 0 $0 694,252 $2,307,299 644,252 $1,477,448
2011-05 0 $0 231,870 $706,021 15,748 $19,070
2011-04 0 $0 861,500 $2,620,940 541,500 $1,009,270
2011-02 0 $0 244,378 $694,001 50,000 $49,000
2010-11 0 $0 165,637 $551,361 144,000 $276,480
2010-10 0 $0 6,000 $13,500 0 $0
2010-08 132,500 $162,648 0 $0 0 $0
2010-07 0 $0 0 $0 153,332 $0
2010-06 0 $0 66,139 $165,347 66,139 $96,562
2010-05 0 $0 95,000 $264,450 95,000 $138,700
2010-04 0 $0 100,000 $277,550 100,000 $146,000
2010-03 0 $0 122,698 $316,724 100,000 $146,000
2010-02 0 $0 38,334 $95,259 0 $0
2009-11 0 $0 17,500 $44,625 0 $0
2009-09 0 $0 0 $0 133,332 $0
2009-08 0 $0 27,500 $26,400 0 $0
2009-07 0 $0 0 $0 153,334 $0
2008-11 27,500 $7,974 0 $0 0 $0
2008-09 0 $0 0 $0 398,334 $0
2008-08 62,500 $103,522 0 $0 0 $0
2008-07 0 $0 0 $0 153,334 $0
2008-05 40,000 $70,300 0 $0 0 $0
2007-10 0 $0 20,178 $80,712 0 $0
2007-09 0 $0 175,442 $543,870 527,968 $84,255
2007-08 0 $0 0 $0 48,696 $0
2007-05 0 $0 0 $0 239,024 $337,023
2006-09 18,049 $55,203,902 0 $0 0 $0
2006-08 0 $0 0 $0 179,268 $252,767
2006-03 0 $0 8,939 $33,253 0 $0
2006-02 0 $0 10,000 $34,650 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Quantum Corp /de/ insiders (QTM)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-10-02 Gacek Jon W (President and CEO) Sale 5,793 6.19 35,881
2017-09-01 Gacek Jon W (President and CEO) Sale 12,254 5.50 67,397
2017-07-17 Ahmad Fuad (SVP, Chief Financial Officer) Sale 17,000 8.46 143,820
2017-07-10 Clark Robert S. (SVP, Product Operations) Sale 61,912 8.16 505,201
2017-07-03 Hall Shawn D (Senior VP, GC & Secretary) Sale 10,000 7.82 78,200
2016-12-06 Starboard Value R Gp Llc Sale 7,850,000 .92 7,182,750
2016-12-06 Feld Peter A Sale 7,850,000 .92 7,182,750
2016-12-05 Starboard Value R Gp Llc Sale 5,200,000 .92 4,784,000
2016-12-05 Feld Peter A Sale 5,200,000 .92 4,784,000
2016-12-01 Starboard Value R Gp Llc Sale 2,000,000 .92 1,840,000
2016-12-01 Feld Peter A Sale 2,000,000 .92 1,840,000
2016-03-18 Starboard Value R Gp Llc Sale 726,004 .64 464,642
2016-03-18 Feld Peter A Sale 726,004 .64 464,642
2016-03-16 Starboard Value R Gp Llc Sale 1,000,000 .60 600,000
2016-03-16 Feld Peter A Sale 1,000,000 .60 600,000
2016-01-25 Starboard Value R Gp Llc Sale 3,000,000 .70 2,100,000
2016-01-25 Feld Peter A Sale 3,000,000 .70 2,100,000
2016-01-22 Starboard Value R Gp Llc Sale 2,000,000 .72 1,450,000
2016-01-22 Feld Peter A Sale 2,000,000 .72 1,450,000
2015-11-20 Stedman Geoff G. (SVP, StorNext Solutions) Buy 621 .88 546
2015-11-19 Stedman Geoff G. (SVP, StorNext Solutions) Buy 9,379 .85 7,972
2015-11-17 Britts William C (SVP, Worldwide Sales & Mktg.) Buy 40,000 .85 33,840
2015-11-05 Auvil Paul R. Iii (Director) Buy 20,000 1.03 20,660
2015-11-04 Powers Gregg J (Director) Buy 50,000 .93 46,350
2015-11-04 Fuller Dale L (Director) Buy 10,000 .94 9,400
2015-11-03 Gacek Jon W (President and CEO) Buy 45,000 .90 40,500
2015-08-05 Fuller Dale L (Director) Buy 18,181 1.10 19,999
2014-12-03 Powers Gregg J (Director) Buy 50,000 1.64 81,800
2014-12-02 Auvil Paul R. Iii (Director) Buy 30,000 1.59 47,700
2014-12-01 Auvil Paul R. Iii (Director) Buy 20,000 1.56 31,300
2014-11-06 Lee Janae S. (SVP, Strategy) Sale 170,000 1.40 238,339
2014-02-06 Clark Robert S. (SVP, Product Operations) Sale 96,332 1.18 113,671
2013-04-04 Starboard Value & Opportunity C Lp Buy 250,000 1.23 308,000
2013-04-03 Starboard Value & Opportunity C Lp Buy 300,000 1.23 369,600
2013-04-02 Starboard Value & Opportunity C Lp Buy 625,000 1.24 776,250
2013-04-01 Starboard Value & Opportunity C Lp Buy 500,000 1.25 625,000
2013-03-13 Starboard Value & Opportunity C Lp Buy 1,000,000 1.22 1,220,000
2012-01-30 Stinson Theodore A. (SVP, Worldwide Sales) Buy 30,000 2.43 72,900
2011-12-06 Fetter Elizabeth A (Director) Sale 7,500 2.75 20,625
2011-12-06 Fetter Elizabeth A (Director) Option Ex 7,500 1.47 10,987
2011-11-03 Fetter Elizabeth A (Director) Sale 30,000 2.75 82,500
2011-11-03 Fetter Elizabeth A (Director) Option Ex 30,000 1.47 43,950
2011-11-03 Belluzzo Richard (Director) Sale 200,000 2.80 560,000
2011-08-12 Gacek Jon W (Chief Executive Officer) Buy 25,000 2.00 50,000
2011-08-09 Gacek Jon W (Chief Executive Officer) Buy 50,000 1.70 85,000
2011-08-03 Stinson Theodore A. (SVP, Worldwide Sales) Buy 25,000 2.35 58,750
2011-07-13 Belluzzo Richard (Director) Sale 70,899 3.30 233,966
2011-07-13 Belluzzo Richard (Director) Option Ex 70,899 2.97 210,570
2011-07-08 Belluzzo Richard (Director) Sale 79,101 3.30 261,112
2011-07-08 Belluzzo Richard (Director) Option Ex 79,101 2.97 234,929
2011-07-06 Fetter Elizabeth A (Director) Sale 7,500 3.29 24,675
2011-07-06 Fetter Elizabeth A (Director) Option Ex 7,500 1.47 10,987
2011-07-01 Hall Shawn D (Senior VP, GC & Secretary) Sale 182,029 3.29 598,329
2011-07-01 Hall Shawn D (Senior VP, GC & Secretary) Option Ex 100,000 .98 98,000
2011-07-01 Belluzzo Richard (Director) Sale 80,000 3.29 263,440
2011-07-01 Belluzzo Richard (Director) Option Ex 30,000 .98 29,400
2011-06-21 Belluzzo Richard (Director) Sale 150,000 3.30 495,000
2011-06-21 Belluzzo Richard (Director) Option Ex 150,000 2.97 445,500
2011-06-03 Belluzzo Richard (Director) Sale 451,752 3.39 1,530,987
2011-06-03 Belluzzo Richard (Director) Option Ex 451,752 2.03 918,411
2011-06-02 Fetter Elizabeth A (Director) Sale 7,500 3.06 22,942
2011-06-02 Fetter Elizabeth A (Director) Option Ex 7,500 1.47 10,987
2011-06-01 Hall Shawn D (Senior VP, GC & Secretary) Sale 35,000 3.04 106,470
2011-06-01 Hall Shawn D (Senior VP, GC & Secretary) Option Ex 35,000 2.93 102,550
2011-06-01 Belluzzo Richard (Director) Sale 50,000 3.04 151,900
2011-05-23 Britts William C (EVP, Sales, Marketing & Serv.) Sale 37,098 3.01 111,627
2011-05-16 Britts William C (EVP, Sales, Marketing & Serv.) Sale 55,000 2.92 160,875
2011-05-09 Britts William C (EVP, Sales, Marketing & Serv.) Sale 55,000 2.91 159,830
2011-05-02 Fetter Elizabeth A (Director) Sale 7,500 3.19 23,887
2011-05-02 Fetter Elizabeth A (Director) Option Ex 7,500 1.47 10,987
2011-05-02 Belluzzo Richard (Director) Sale 58,248 3.25 189,306
2011-05-02 Belluzzo Richard (Director) Option Ex 8,248 .98 8,083
2011-05-02 Britts William C (EVP, Sales, Marketing & Serv.) Sale 19,024 3.18 60,496
2011-04-25 Britts William C (EVP, Sales, Marketing & Serv.) Sale 55,000 3.09 170,115
2011-04-18 Britts William C (EVP, Sales, Marketing & Serv.) Sale 55,000 2.94 161,700
2011-04-14 Belluzzo Richard (Director) Sale 356,400 3.30 1,176,120
2011-04-14 Belluzzo Richard (Director) Option Ex 356,400 1.98 703,890
2011-04-13 Belluzzo Richard (Director) Sale 33,600 3.25 109,200
2011-04-13 Belluzzo Richard (Director) Option Ex 33,600 .98 32,928
2011-04-12 Fetter Elizabeth A (Director) Sale 15,000 2.75 41,250
2011-04-12 Fetter Elizabeth A (Director) Option Ex 15,000 1.47 21,975
2011-04-11 Britts William C (EVP, Sales, Marketing & Serv.) Sale 55,000 2.76 151,855
2011-04-06 Esber Edward M (Director) Sale 136,500 2.80 382,200
2011-04-06 Esber Edward M (Director) Option Ex 136,500 1.83 250,477
2011-04-06 Belluzzo Richard (Director) Sale 100,000 2.80 280,000
2011-04-05 Britts William C (EVP, Sales, Marketing & Serv.) Sale 55,000 2.70 148,500
2011-02-15 Esber Edward M (Director) Sale 85,000 2.82 240,040
2011-02-15 Belluzzo Richard (Chief Executive Officer) Sale 50,000 2.83 141,250
2011-02-14 Hall Shawn D (Senior VP, GC & Secretary) Sale 109,378 2.86 312,711
2011-02-14 Hall Shawn D (Senior VP, GC & Secretary) Option Ex 50,000 .98 49,000
2010-11-18 Hall Shawn D (Senior VP, GC & Secretary) Sale 16,437 3.50 57,529
2010-11-05 Hall Shawn D (Senior VP, GC & Secretary) Sale 5,200 3.50 18,200
2010-11-01 Wolf Dennis P (Director) Sale 144,000 3.30 475,632
2010-11-01 Wolf Dennis P (Director) Option Ex 144,000 1.92 276,480
2010-10-08 Hall Shawn D (Senior VP, GC & Secretary) Sale 6,000 2.25 13,500
2010-08-12 Esber Edward M (Director) Buy 10,000 1.13 11,299
2010-08-12 Belluzzo Richard (Chief Executive Officer) Buy 100,000 1.14 113,999
2010-08-02 Esber Edward M (Director) Buy 22,500 1.66 37,350
2010-07-01 Barrett Barbara (Senior VP, Human Resources) Option Ex 11,666 .00 0
2010-07-01 Hall Shawn D (Senior VP, GC & Secretary) Option Ex 11,666 .00 0
2010-07-01 Belluzzo Richard (Chief Executive Officer) Option Ex 80,000 .00 0
2010-07-01 Britts William C (EVP, Sales & Marketing) Option Ex 25,000 .00 0
2010-07-01 Gacek Jon W (Executive VP, COO, CFO) Option Ex 25,000 .00 0
2010-06-21 Britts William C (EVP, Sales & Marketing) Sale 2,952 2.50 7,380
2010-06-21 Britts William C (EVP, Sales & Marketing) Option Ex 2,952 1.46 4,309
2010-06-21 Gacek Jon W (Executive VP, COO, CFO) Sale 1,100 2.50 2,750
2010-06-21 Gacek Jon W (Executive VP, COO, CFO) Option Ex 1,100 1.46 1,606
2010-06-18 Britts William C (EVP, Sales & Marketing) Sale 14,700 2.50 36,750
2010-06-18 Britts William C (EVP, Sales & Marketing) Option Ex 14,700 1.46 21,462
2010-06-17 Britts William C (EVP, Sales & Marketing) Sale 31,887 2.50 79,717
2010-06-17 Britts William C (EVP, Sales & Marketing) Option Ex 31,887 1.46 46,555
2010-06-17 Gacek Jon W (Executive VP, COO, CFO) Sale 15,500 2.50 38,750
2010-06-17 Gacek Jon W (Executive VP, COO, CFO) Option Ex 15,500 1.46 22,630
2010-05-17 Britts William C (EVP, Sales & Marketing) Sale 50,000 2.75 137,550
2010-05-17 Britts William C (EVP, Sales & Marketing) Option Ex 50,000 1.46 73,000
2010-05-12 Gacek Jon W (Executive VP, COO, CFO) Sale 45,000 2.82 126,900
2010-05-12 Gacek Jon W (Executive VP, COO, CFO) Option Ex 45,000 1.46 65,700
2010-04-15 Britts William C (EVP, Sales & Marketing) Sale 50,000 2.79 139,750
2010-04-15 Britts William C (EVP, Sales & Marketing) Option Ex 50,000 1.46 73,000
2010-04-07 Gacek Jon W (Executive VP, COO, CFO) Sale 50,000 2.76 137,800
2010-04-07 Gacek Jon W (Executive VP, COO, CFO) Option Ex 50,000 1.46 73,000
2010-03-22 Britts William C (EVP, Sales & Marketing) Sale 50,000 2.54 126,800
2010-03-22 Britts William C (EVP, Sales & Marketing) Option Ex 50,000 1.46 73,000
2010-03-19 Gacek Jon W (Executive VP, COO, CFO) Sale 50,000 2.62 131,250
2010-03-19 Gacek Jon W (Executive VP, COO, CFO) Option Ex 50,000 1.46 73,000
2010-03-03 Lopatin Gerald (Executive VP, Engineering) Sale 22,698 2.58 58,674
2010-02-24 Lopatin Gerald (Executive VP, Engineering) Sale 38,334 2.48 95,259
2009-11-19 Lopatin Gerald (Executive VP, Engineering) Sale 17,500 2.55 44,625
2009-09-01 Britts William C (EVP, Sales & Marketing) Option Ex 66,666 .00 0
2009-09-01 Gacek Jon W (Executive VP, COO, CFO) Option Ex 66,666 .00 0
2009-08-10 Esber Edward M (Director) Sale 27,500 .96 26,400
2009-07-01 Barrett Barbara (Senior VP, Human Resources) Option Ex 11,667 .00 0
2009-07-01 Hall Shawn D (Senior VP, GC & Secretary) Option Ex 11,667 .00 0
2009-07-01 Belluzzo Richard (Chief Executive Officer) Option Ex 80,000 .00 0
2009-07-01 Britts William C (EVP, Sales & Marketing) Option Ex 25,000 .00 0
2009-07-01 Gacek Jon W (Executive VP, COO, CFO) Option Ex 25,000 .00 0
2008-11-10 Esber Edward M (Director) Buy 27,500 .29 7,974
2008-09-01 Barrett Barbara (VP, Human Resources) Option Ex 17,500 .00 0
2008-09-01 Hall Shawn D (VP, General Counsel & Sec.) Option Ex 22,500 .00 0
2008-09-01 Belluzzo Richard (Chief Executive Officer) Option Ex 125,000 .00 0
2008-09-01 Britts William C (EVP, Sales, Marketing & Srv.) Option Ex 116,667 .00 0
2008-09-01 Gacek Jon W (Executive Vice President, CFO) Option Ex 116,667 .00 0
2008-08-13 Auvil Paul R. Iii (Director) Buy 50,000 1.65 82,500
2008-08-13 Esber Edward M (Director) Buy 2,551 1.65 4,209
2008-08-12 Esber Edward M (Director) Buy 9,949 1.69 16,813
2008-07-01 Barrett Barbara (VP, Human Resources) Option Ex 11,667 .00 0
2008-07-01 Hall Shawn D (VP, General Counsel & Sec.) Option Ex 11,667 .00 0
2008-07-01 Belluzzo Richard (Chief Executive Officer) Option Ex 80,000 .00 0
2008-07-01 Britts William C (EVP, Sales, Marketing & Srv.) Option Ex 25,000 .00 0
2008-07-01 Gacek Jon W (Executive Vice President, CFO) Option Ex 25,000 .00 0
2008-05-28 Esber Edward M (Director) Buy 20,000 1.70 33,900
2008-05-20 Esber Edward M (Director) Buy 20,000 1.82 36,400
2007-10-31 Dalton Stephen P (SVP, TSS, Engineering) Sale 20,178 4.00 80,712
2007-09-07 Gacek Jon W (Executive Vice President, CFO) Sale 175,442 3.10 543,870
2007-09-07 Gacek Jon W (Executive Vice President, CFO) Option Ex 89,634 .94 84,255
2007-09-01 Dalton Stephen P (SVP, TSS, Engineering) Option Ex 40,000 .00 0
2007-09-01 Barrett Barbara (VP, Human Resources) Option Ex 17,500 .00 0
2007-09-01 Hall Shawn D (VP, General Counsel & Sec.) Option Ex 22,500 .00 0
2007-09-01 Belluzzo Richard (Chief Executive Officer) Option Ex 125,000 .00 0
2007-09-01 Britts William C (EVP, Sales, Marketing & Srv.) Option Ex 116,667 .00 0
2007-09-01 Gacek Jon W (Executive Vice President, CFO) Option Ex 116,667 .00 0
2007-08-28 Buchsbaum Thomas S (Director) Option Ex 11,344 .00 0
2007-08-28 Earhart Alan L (Director) Option Ex 6,187 .00 0
2007-08-28 Fetter Elizabeth A (Director) Option Ex 12,020 .00 0
2007-08-28 Esber Edward M (Director) Option Ex 8,062 .00 0
2007-08-28 Brown Michael A/ca (Director) Option Ex 11,083 .00 0
2007-05-14 Britts William C (EVP, Sales, Marketing & Srv.) Option Ex 239,024 1.41 337,023
2006-09-07 Buchsbaum Thomas S (Director) Buy 3,749 2.19 8,210
2006-09-06 Buchsbaum Thomas S (Director) Buy 5,000 2.23 11,125
2006-09-05 Buchsbaum Thomas S (Director) Buy 4,300 2.23 9,567
2006-09-01 Buchsbaum Thomas S (Director) Buy 5,000 11,035.00 55,175,000
2006-08-31 Gacek Jon W (EVP & Chief Financal Officer) Option Ex 179,268 1.41 252,767
2006-03-02 Ritti Philip (VP, GM Media) Sale 8,939 3.72 33,253
2006-02-14 Carrozza Anthony (Senior VP, Worldwide Sales) Sale 10,000 3.46 34,650

Insider trading activities including stock purchases, stock sales, and option exercises of QTM listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Quantum Corp /de/ (symbol QTM, CIK number 709283) see the Securities and Exchange Commission (SEC) website.