Insider Trading activities of 3d Systems Corp insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of 3d Systems Corp since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of 3d Systems Corp since year 2005. Table 2 shows the detailed insider transactions of 3d Systems Corp since 2005. The reporting company's ticker symbol is DDD. The reporting company's CIK number is 910638.
The total value of stock buying since 2005 is $12,675,424.
The total value of stock sales since 2005 is $200,577,928.
The total value of stock option exercises since 2005 is $8,140,472.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for 3d Systems Corp (DDD).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-12 62,930 $568,598 0 $0 0 $0
2017-08 15,400 $199,584 0 $0 0 $0
2017-06 0 $0 27,500 $572,925 0 $0
2017-05 0 $0 75,000 $1,648,601 0 $0
2017-03 0 $0 4,000 $58,800 0 $0
2016-05 20,000 $241,500 0 $0 0 $0
2015-12 50,900 $455,632 0 $0 0 $0
2015-11 70,000 $636,800 0 $0 0 $0
2015-09 0 $0 8,000 $106,715 0 $0
2015-08 56,000 $720,040 0 $0 0 $0
2015-05 10,000 $218,735 0 $0 0 $0
2014-11 41,479 $1,417,175 55,000 $1,950,350 0 $0
2014-10 0 $0 7,500 $314,250 0 $0
2014-09 0 $0 7,500 $378,202 0 $0
2014-08 0 $0 114,800 $6,042,184 0 $0
2014-07 0 $0 7,500 $424,050 0 $0
2014-06 0 $0 7,500 $381,510 0 $0
2014-05 0 $0 30,000 $1,468,214 0 $0
2014-03 0 $0 165,679 $10,995,014 0 $0
2013-12 0 $0 77,184 $6,145,332 0 $0
2013-11 0 $0 155,000 $11,727,933 0 $0
2013-08 0 $0 34,000 $1,687,400 0 $0
2013-05 0 $0 1,310,613 $52,535,100 0 $0
2013-03 0 $0 515,000 $16,768,100 0 $0
2013-02 0 $0 10,000 $667,430 0 $0
2013-01 0 $0 8,450 $500,433 0 $0
2012-12 0 $0 6,000 $276,960 20,000 $81,300
2012-11 0 $0 69,300 $2,891,096 0 $0
2012-10 200 $6,822 84,314 $3,531,424 73,000 $193,815
2012-09 0 $0 356,715 $15,328,967 800,000 $2,887,999
2012-08 0 $0 156,603 $8,001,347 20,000 $81,300
2012-07 0 $0 62,383 $2,313,938 37,000 $98,235
2012-06 0 $0 11,676 $368,132 0 $0
2012-05 0 $0 130,792 $4,019,451 0 $0
2012-04 0 $0 137,033 $3,989,366 0 $0
2012-03 0 $0 41,400 $916,688 0 $0
2012-02 0 $0 55,000 $1,354,318 20,000 $142,400
2011-08 0 $0 18,000 $357,120 0 $0
2011-06 0 $0 80,000 $1,440,330 50,000 $379,000
2011-05 0 $0 20,000 $783,170 20,000 $321,100
2011-04 0 $0 9,000 $376,200 0 $0
2011-03 0 $0 743,000 $31,080,712 0 $0
2011-02 0 $0 3,000 $87,099 10,000 $125,940
2011-01 0 $0 3,000 $96,149 85,000 $844,900
2010-12 0 $0 30,000 $915,920 0 $0
2010-11 0 $0 91,090 $2,494,602 50,000 $757,998
2010-10 0 $0 3,000 $47,085 0 $0
2010-09 17,700 $232,384 3,000 $42,000 0 $0
2010-08 0 $0 3,000 $46,164 0 $0
2010-07 0 $0 3,000 $42,000 0 $0
2010-06 0 $0 3,000 $42,270 0 $0
2010-05 0 $0 3,000 $46,200 0 $0
2010-04 0 $0 3,000 $42,000 0 $0
2010-03 0 $0 15,000 $221,782 15,000 $160,320
2009-11 1,053 $10,498 0 $0 0 $0
2009-09 12,792 $110,002 0 $0 0 $0
2009-08 18,762 $136,937 0 $0 0 $0
2009-05 0 $0 7,500 $50,265 15,000 $84,450
2009-03 5,500 $26,647 0 $0 0 $0
2008-12 437 $2,521 0 $0 0 $0
2008-11 29,972 $202,804 0 $0 0 $0
2008-06 5,000 $49,650 0 $0 0 $0
2008-05 80,031 $705,280 0 $0 0 $0
2008-01 0 $0 0 $0 160,644 $1,081,715
2007-08 0 $0 117,526 $2,604,828 7,500 $71,250
2007-05 0 $0 0 $0 7,500 $60,000
2006-09 2,500 $39,787 0 $0 0 $0
2006-08 304,880 $4,684,051 79,000 $1,244,981 75,000 $768,750
2006-07 0 $0 4,000 $80,740 0 $0
2006-06 0 $0 4,000 $78,768 0 $0
2006-05 30,000 $612,180 4,000 $92,264 0 $0
2006-04 0 $0 4,000 $84,968 0 $0
2006-03 0 $0 4,000 $76,020 0 $0
2006-02 0 $0 4,000 $77,640 0 $0
2006-01 0 $0 4,000 $70,364 0 $0
2005-12 0 $0 4,000 $70,968 0 $0
2005-11 0 $0 4,000 $71,760 0 $0
2005-10 0 $0 4,000 $89,092 0 $0
2005-09 0 $0 4,000 $89,240 0 $0
2005-08 0 $0 2,000 $40,000 0 $0
2005-07 0 $0 6,000 $143,004 0 $0
2005-06 0 $0 2,000 $42,460 0 $0
2005-05 17,000 $324,790 0 $0 0 $0
2005-04 0 $0 2,000 $38,300 0 $0
2000-08 0 $0 300 $7,233 0 $0
2000-03 101,900 $1,073,007 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of 3d Systems Corp insiders (DDD)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-12-06 Loewenbaum G Walter Ii (Director) Buy 1,000 9.33 9,330
2017-12-05 Loewenbaum G Walter Ii (Director) Buy 15,000 9.37 140,550
2017-12-04 Loewenbaum G Walter Ii (Director) Buy 40,500 8.94 362,070
2017-12-01 Loewenbaum G Walter Ii (Director) Buy 6,430 8.81 56,648
2017-08-08 Joshi Vyomesh (President and CEO) Buy 15,400 12.96 199,584
2017-06-08 Johnson Andrew Martin (EVP, Chief Legal Officer & Sec) Sale 10,000 21.19 211,900
2017-06-01 Mcalea Kevin (EVP-COO, Healthcare) Sale 17,500 20.63 361,025
2017-05-30 Loewenbaum G Walter Ii (Director) Sale 25,000 21.50 537,500
2017-05-23 Loewenbaum G Walter Ii (Director) Sale 25,000 22.29 557,250
2017-05-19 Loewenbaum G Walter Ii (Director) Sale 10,296 21.66 223,011
2017-05-18 Loewenbaum G Walter Ii (Director) Sale 14,704 22.50 330,840
2017-03-08 Johnson Andrew Martin (EVP, Chief Legal Officer & Sec) Sale 4,000 14.70 58,800
2016-05-12 Loewenbaum G Walter Ii (Director) Buy 20,000 12.07 241,500
2015-12-04 Loewenbaum G Walter Ii (Director) Buy 10,000 9.07 90,700
2015-12-02 Loewenbaum G Walter Ii (Director) Buy 10,000 8.92 89,200
2015-12-01 Loewenbaum G Walter Ii (Director) Buy 20,400 8.93 182,198
2015-11-30 Loewenbaum G Walter Ii (Director) Buy 40,000 9.09 363,770
2015-09-09 Johnson Andrew Martin (EVP, Chief Legal Officer & Sec) Sale 7,850 13.34 104,719
2015-09-08 Johnson Andrew Martin (EVP, Chief Legal Officer & Sec) Sale 150 13.31 1,996
2015-08-25 Loewenbaum G Walter Ii (Director) Buy 8,800 11.87 104,456
2015-08-24 Loewenbaum G Walter Ii (Director) Buy 6,200 11.12 68,944
2015-08-21 Loewenbaum G Walter Ii (Director) Buy 10,000 11.94 119,400
2015-08-19 Moore Kevin S (Director) Buy 6,000 12.94 77,640
2015-08-11 Loewenbaum G Walter Ii (Director) Buy 20,000 13.93 278,600
2015-08-10 Loewenbaum G Walter Ii (Director) Buy 5,000 14.20 71,000
2015-05-15 Reichental Abraham N (President and CEO) Buy 5,000 21.57 107,825
2015-05-08 Reichental Abraham N (President and CEO) Buy 5,000 22.18 110,910
2014-11-28 Loewenbaum G Walter Ii (Director) Buy 5,000 35.22 176,100
2014-11-19 Gregoire Damon Joseph (EVP, Mergers & Acquisitions) Sale 45,000 35.33 1,589,850
2014-11-19 Moore Kevin S (Director) Buy 5,000 35.98 179,899
2014-11-19 Loewenbaum G Walter Ii (Director) Buy 5,000 36.00 180,000
2014-11-19 Hull Charles W (EVP, Chief Technology Officer) Sale 10,000 36.05 360,500
2014-11-14 Loewenbaum G Walter Ii (Director) Buy 15,000 33.31 499,695
2014-11-13 Loewenbaum G Walter Ii (Director) Buy 11,479 33.23 381,481
2014-10-20 Hull Charles W (EVP, Chief Technology Officer) Sale 7,500 41.90 314,250
2014-09-15 Hull Charles W (EVP, Chief Technology Officer) Sale 7,500 50.43 378,202
2014-08-29 Reichental Abraham N (President and CEO) Sale 52,300 53.20 2,782,360
2014-08-27 Gregoire Damon Joseph (SVP, Chief Financial Officer) Sale 50,000 52.72 2,636,000
2014-08-26 Johnson Andrew Martin (VP, General Counsel & Secretar) Sale 5,000 51.16 255,799
2014-08-18 Hull Charles W (EVP, Chief Technology Officer) Sale 7,500 49.07 368,025
2014-07-21 Hull Charles W (EVP, Chief Technology Officer) Sale 7,500 56.54 424,050
2014-06-16 Hull Charles W (EVP, Chief Technology Officer) Sale 7,500 50.87 381,510
2014-05-19 Hull Charles W (EVP, Chief Technology Officer) Sale 7,500 48.73 365,512
2014-05-07 Gregoire Damon Joseph (SVP, Chief Financial Officer) Sale 22,500 49.01 1,102,702
2014-03-14 Johnson Andrew Martin (VP, General Counsel & Secretar) Sale 1,500 60.86 91,290
2014-03-14 Reichental Abraham N (President and CEO) Sale 66,700 60.11 4,009,337
2014-03-13 Lewis Cathy L (Vice President) Sale 6,000 62.53 375,180
2014-03-06 Loewenbaum G Walter Ii (Director) Sale 1,479 70.12 103,707
2014-03-05 Loewenbaum G Walter Ii (Director) Sale 70,000 71.26 4,994,000
2013-12-13 Reichental Abraham N (President and CEO) Sale 25,000 80.91 2,022,750
2013-12-11 Mcalea Kevin (Vice President) Sale 29,658 77.50 2,298,495
2013-12-10 Mcalea Kevin (Vice President) Sale 22,526 80.98 1,824,087
2013-11-19 Lewis Cathy L (Vice President) Sale 2,400 75.07 180,170
2013-11-15 Gregoire Damon Joseph (SVP, Chief Financial Officer) Sale 45,000 80.03 3,601,485
2013-11-11 Loewenbaum G Walter Ii (Director) Sale 80,000 76.50 6,119,600
2013-11-08 Lewis Cathy L (Vice President) Sale 3,600 65.54 235,958
2013-11-05 Moore Kevin S (Director) Sale 15,000 68.44 1,026,600
2013-11-01 Lewis Cathy L (Vice President) Sale 9,000 62.68 564,120
2013-08-26 Johnson Andrew Martin (VP, General Counsel & Secretar) Sale 4,000 50.00 200,000
2013-08-13 Mcalea Kevin (Vice President) Sale 30,000 49.58 1,487,400
2013-05-17 Van Riper Daniel S (Director) Sale 17,220 45.79 788,572
2013-05-15 Gregoire Damon Joseph (SVP, Chief Financial Officer) Sale 45,000 40.00 1,800,000
2013-05-15 Reichental Abraham N (President and CEO) Sale 400,000 40.00 16,000,000
2013-05-15 Loewenbaum G Walter Ii (Director) Sale 800,000 40.00 32,000,000
2013-05-15 Kever Jim D (Director) Sale 38,000 40.00 1,520,000
2013-05-03 Van Riper Daniel S (Director) Sale 10,393 41.04 426,528
2013-03-13 Loewenbaum G Walter Ii (Director) Sale 15,000 32.20 483,000
2013-03-13 Hull Charles W (EVP, Chief Technology Officer) Sale 100,000 32.31 3,230,700
2013-03-12 Hull Charles W (EVP, Chief Technology Officer) Sale 400,000 32.64 13,054,400
2013-02-11 Hull Charles W (EVP, Chief Technology Officer) Sale 6,000 66.96 401,034
2013-01-10 Hull Charles W (EVP, Chief Technology Officer) Sale 6,000 59.14 354,208
2012-12-10 Hull Charles W (EVP, Chief Technology Officer) Sale 6,000 46.16 276,960
2012-12-07 Kever Jim D (Director) Option Ex 20,000 4.07 81,300
2012-11-15 Loewenbaum G Walter Ii (Director) Sale 20,000 39.36 787,240
2012-11-12 Hull Charles W (EVP, Chief Technology Officer) Sale 6,000 44.20 264,342
2012-11-05 Loewenbaum G Walter Ii (Director) Sale 40,000 42.46 1,698,400
2012-10-31 Mcalea Kevin (Vice President) Sale 73,000 43.09 3,145,570
2012-10-31 Mcalea Kevin (Vice President) Option Ex 73,000 2.65 193,815
2012-10-10 Hull Charles W (EVP, Chief Technology Officer) Buy 200 34.11 6,822
2012-10-10 Hull Charles W (EVP, Chief Technology Officer) Sale 5,800 34.22 197,838
2012-09-10 Hull Charles W (EVP, Chief Technology Officer) Sale 6,000 39.01 233,241
2012-09-06 Reichental Abraham N (President and CEO) Sale 132,778 42.88 5,693,520
2012-09-06 Reichental Abraham N (President and CEO) Option Ex 611,425 3.61 2,207,244
2012-09-05 Reichental Abraham N (President and CEO) Sale 188,575 43.16 8,138,896
2012-09-05 Reichental Abraham N (President and CEO) Option Ex 188,575 3.61 680,755
2012-09-04 Loewenbaum G Walter Ii (Director) Sale 25,000 43.78 1,094,475
2012-08-24 Loewenbaum G Walter Ii (Director) Sale 28,648 57.66 2,021,845
2012-08-16 Loewenbaum G Walter Ii (Director) Sale 12,500 40.66 508,312
2012-08-15 Loewenbaum G Walter Ii (Director) Sale 12,500 39.95 499,325
2012-08-14 Gregoire Damon Joseph (VP, Chief Financial Officer) Sale 2,500 40.30 100,757
2012-08-13 Gregoire Damon Joseph (VP, Chief Financial Officer) Sale 12,500 40.19 502,350
2012-08-10 Johnson Andrew Martin (VP, General Counsel & Secretar) Sale 2,700 39.75 107,325
2012-08-10 Loewenbaum G Walter Ii (Director) Sale 30,000 39.96 1,198,860
2012-08-10 Hull Charles W (EVP, Chief Technology Officer) Sale 6,000 39.94 239,234
2012-08-07 Moore Kevin S (Director) Sale 20,000 38.97 779,419
2012-08-07 Moore Kevin S (Director) Option Ex 20,000 4.07 81,300
2012-07-31 Mcalea Kevin (Vice President) Sale 37,000 37.54 1,398,640
2012-07-31 Mcalea Kevin (Vice President) Option Ex 37,000 2.65 98,235
2012-07-10 Hull Charles W (EVP, Chief Technology Officer) Sale 6,000 34.27 204,253
2012-06-11 Hull Charles W (EVP, Chief Technology Officer) Sale 6,000 31.79 189,259
2012-05-31 Loewenbaum G Walter Ii (Director) Sale 13,800 29.85 411,930
2012-05-30 Loewenbaum G Walter Ii (Director) Sale 20,000 31.21 624,240
2012-05-29 Loewenbaum G Walter Ii (Director) Sale 20,000 31.59 631,900
2012-05-10 Hull Charles W (EVP, Chief Technology Officer) Sale 6,000 28.35 168,582
2012-05-02 Loewenbaum G Walter Ii (Director) Sale 5,000 30.85 154,250
2012-05-01 Loewenbaum G Walter Ii (Director) Sale 60,442 30.99 1,872,855
2012-04-30 Gregoire Damon Joseph (VP, Chief Financial Officer) Sale 15,000 29.38 440,745
2012-04-30 Reichental Abraham N (President and CEO) Sale 40,000 29.53 1,181,200
2012-04-30 Loewenbaum G Walter Ii (Director) Sale 49,558 29.46 1,459,782
2012-04-10 Hull Charles W (EVP, Chief Technology Officer) Sale 6,000 22.98 136,594
2012-03-15 Hull Charles W (EVP, Chief Technology Officer) Sale 6,000 23.24 139,107
2012-03-12 Loewenbaum G Walter Ii (Director) Sale 20,000 21.74 434,739
2012-03-06 Loewenbaum G Walter Ii (Director) Sale 10,000 21.77 217,719
2012-02-28 Loewenbaum G Walter Ii (Director) Sale 1,000 24.45 24,450
2012-02-27 Moore Kevin S (Director) Sale 20,000 24.64 492,720
2012-02-27 Moore Kevin S (Director) Option Ex 20,000 7.12 142,400
2012-02-27 Loewenbaum G Walter Ii (Director) Sale 34,000 24.62 837,148
2011-08-03 Loewenbaum G Walter Ii (Director) Sale 18,000 19.84 357,120
2011-06-09 Loewenbaum G Walter Ii (Director) Sale 10,000 17.88 178,800
2011-06-08 Loewenbaum G Walter Ii (Director) Sale 20,000 17.64 352,780
2011-06-07 Mcalea Kevin (Vice President) Sale 50,000 18.18 908,750
2011-06-07 Mcalea Kevin (Vice President) Option Ex 50,000 7.58 379,000
2011-05-05 Moore Kevin S (Director) Sale 10,000 39.20 391,970
2011-05-05 Moore Kevin S (Director) Option Ex 10,000 16.05 160,550
2011-05-05 Kever Jim D (Director) Sale 10,000 39.12 391,200
2011-05-05 Kever Jim D (Director) Option Ex 10,000 16.05 160,550
2011-04-05 Hull Charles W (EVP, Chief Technology Officer) Sale 9,000 41.80 376,200
2011-03-16 Moore Kevin S (Director) Sale 680,000 41.80 28,423,999
2011-03-16 Hull Charles W (EVP, Chief Technology Officer) Sale 60,000 41.80 2,508,000
2011-03-01 Hull Charles W (EVP, Chief Technology Officer) Sale 3,000 49.57 148,713
2011-02-17 Hull Charles W (EVP, Chief Technology Officer) Option Ex 10,000 12.59 125,940
2011-02-01 Hull Charles W (EVP, Chief Technology Officer) Sale 3,000 29.03 87,099
2011-01-04 Loewenbaum G Walter Ii (Director) Option Ex 85,000 9.94 844,900
2011-01-03 Hull Charles W (EVP, Chief Technology Officer) Sale 3,000 32.05 96,149
2010-12-14 Loewenbaum G Walter Ii (Director) Sale 3,055 29.54 90,253
2010-12-13 Loewenbaum G Walter Ii (Director) Sale 7,205 30.70 221,215
2010-12-10 Loewenbaum G Walter Ii (Director) Sale 16,740 30.92 517,533
2010-12-01 Hull Charles W (EVP, Chief Technology Officer) Sale 3,000 28.97 86,919
2010-11-08 Mcalea Kevin (Vice President) Sale 14,749 27.13 400,140
2010-11-08 Mcalea Kevin (Vice President) Option Ex 14,749 15.16 223,594
2010-11-05 Mcalea Kevin (Vice President) Sale 18,983 27.81 525,053
2010-11-05 Mcalea Kevin (Vice President) Option Ex 18,983 15.16 287,782
2010-11-04 Mcalea Kevin (Vice President) Sale 16,268 28.57 464,711
2010-11-04 Mcalea Kevin (Vice President) Option Ex 16,268 15.16 246,622
2010-11-02 Loewenbaum G Walter Ii (Director) Sale 20,000 26.25 525,020
2010-11-01 Hull Charles W (EVP, Chief Technology Officer) Sale 3,000 26.54 79,617
2010-10-01 Hull Charles W (EVP, Chief Technical Officer) Sale 3,000 15.70 47,085
2010-09-13 Hull Charles W (EVP, Chief Technical Officer) Sale 3,000 14.00 42,000
2010-09-09 Moore Kevin S (Director) Buy 3,400 13.17 44,764
2010-09-08 Moore Kevin S (Director) Buy 3,500 13.19 46,161
2010-09-07 Moore Kevin S (Director) Buy 5,700 13.09 74,613
2010-09-03 Moore Kevin S (Director) Buy 400 13.19 5,276
2010-09-02 Moore Kevin S (Director) Buy 4,700 13.10 61,570
2010-08-02 Hull Charles W (EVP, Chief Technical Officer) Sale 3,000 15.39 46,164
2010-07-26 Hull Charles W (EVP, Chief Technical Officer) Sale 3,000 14.00 42,000
2010-06-21 Hull Charles W (EVP, Chief Technical Officer) Sale 3,000 14.09 42,270
2010-05-03 Hull Charles W (EVP, Chief Technical Officer) Sale 3,000 15.40 46,200
2010-04-05 Hull Charles W (EVP, Chief Technical Officer) Sale 3,000 14.00 42,000
2010-03-03 Gold Miriam V (Director) Sale 7,500 14.83 111,247
2010-03-03 Gold Miriam V (Director) Option Ex 7,500 10.69 80,160
2010-03-01 Moore Kevin S (Director) Sale 7,500 14.74 110,535
2010-03-01 Moore Kevin S (Director) Option Ex 7,500 10.69 80,160
2009-11-19 Loewenbaum G Walter Ii (Director) Buy 1,053 9.97 10,498
2009-09-15 Loewenbaum G Walter Ii (Director) Buy 800 9.17 7,338
2009-09-14 Loewenbaum G Walter Ii (Director) Buy 5,200 8.79 45,718
2009-09-11 Loewenbaum G Walter Ii (Director) Buy 4,979 8.52 42,406
2009-09-03 Loewenbaum G Walter Ii (Director) Buy 1,813 8.02 14,540
2009-08-14 Loewenbaum G Walter Ii (Director) Buy 9,595 7.27 69,720
2009-08-13 Loewenbaum G Walter Ii (Director) Buy 1,250 7.52 9,405
2009-08-12 Loewenbaum G Walter Ii (Director) Buy 1,000 7.77 7,770
2009-08-11 Loewenbaum G Walter Ii (Director) Buy 2,801 7.21 20,181
2009-05-19 Kever Jim D (Director) Option Ex 7,500 5.63 42,225
2009-05-14 Gold Miriam V (Director) Sale 7,500 6.70 50,265
2009-05-14 Gold Miriam V (Director) Option Ex 7,500 5.63 42,225
2009-03-10 Reichental Abraham N (President and CEO) Buy 2,500 4.74 11,845
2009-03-09 Gregoire Damon Joseph (VP, Chief Financial Officer) Buy 3,000 4.93 14,802
2008-12-05 Loewenbaum G Walter Ii (Director) Buy 437 5.77 2,521
2008-11-21 Loewenbaum G Walter Ii (Director) Buy 6,931 5.89 40,823
2008-11-20 Loewenbaum G Walter Ii (Director) Buy 1,041 6.61 6,881
2008-11-19 Loewenbaum G Walter Ii (Director) Buy 22,000 7.05 155,100
2008-06-06 Loewenbaum G Walter Ii (Director) Buy 5,000 9.93 49,650
2008-05-30 Loewenbaum G Walter Ii (Director) Buy 14,031 9.11 127,822
2008-05-29 Loewenbaum G Walter Ii (Director) Buy 5,000 9.01 45,050
2008-05-28 Loewenbaum G Walter Ii (Director) Buy 5,000 8.94 44,710
2008-05-13 Reichental Abraham N (President and CEO) Buy 6,000 8.83 52,998
2008-05-13 Loewenbaum G Walter Ii (Director) Buy 50,000 8.69 434,700
2008-01-09 Kever Jim D (Director) Option Ex 7,500 9.50 71,250
2008-01-07 Moore Kevin S (Director) Option Ex 3,144 5.94 18,665
2008-01-07 Loewenbaum G Walter Ii (Director) Option Ex 50,000 6.61 330,600
2008-01-02 Loewenbaum G Walter Ii (Director) Option Ex 100,000 6.61 661,200
2007-08-23 Loewenbaum G Walter Ii (Director) Sale 5,778 20.37 117,715
2007-08-22 Loewenbaum G Walter Ii (Director) Sale 10,888 21.25 231,424
2007-08-21 Loewenbaum G Walter Ii (Director) Sale 9,000 21.25 191,295
2007-08-20 Loewenbaum G Walter Ii (Director) Sale 16,592 22.78 373,318
2007-08-17 Loewenbaum G Walter Ii (Director) Sale 7,742 23.50 181,921
2007-08-16 Loewenbaum G Walter Ii (Director) Sale 3,000 21.72 65,150
2007-08-15 Loewenbaum G Walter Ii (Director) Sale 13,000 22.09 287,105
2007-08-13 Loewenbaum G Walter Ii (Director) Sale 24,481 22.30 542,570
2007-08-10 Loewenbaum G Walter Ii (Director) Sale 2,647 24.08 63,739
2007-08-09 Gold Miriam V (Director) Sale 7,200 24.10 173,520
2007-08-09 Gold Miriam V (Director) Option Ex 7,500 9.50 71,250
2007-05-15 Kever Jim D (Director) Option Ex 7,500 8.00 60,000
2006-09-08 Loewenbaum G Walter Ii (Director) Buy 2,500 15.91 39,787
2006-08-31 Moore Kevin S (Vice President) Buy 12,049 16.14 194,519
2006-08-30 Moore Kevin S (Vice President) Buy 47,500 16.09 764,037
2006-08-30 Loewenbaum G Walter Ii (Director) Buy 2,500 16.13 40,325
2006-08-30 Hull Charles W (Exec. VP./Chief Tech. Off.) Sale 39,500 16.09 635,436
2006-08-30 Hull Charles W (Exec. VP./Chief Tech. Off.) Option Ex 39,500 10.25 404,875
2006-08-29 Moore Kevin S (Director) Buy 11,700 15.21 178,015
2006-08-29 Loewenbaum G Walter Ii (Director) Buy 2,500 15.40 38,500
2006-08-29 Hull Charles W (Exec. VP./Chief Tech. Off.) Sale 15,000 15.42 231,270
2006-08-29 Hull Charles W (Exec. VP./Chief Tech. Off.) Option Ex 15,000 10.25 153,750
2006-08-28 Moore Kevin S (Director) Buy 83,200 15.35 1,269,569
2006-08-28 Hull Charles W (Exec. VP./Chief Tech. Off.) Sale 20,500 15.21 311,723
2006-08-28 Hull Charles W (Exec. VP./Chief Tech. Off.) Option Ex 20,500 10.25 210,125
2006-08-25 Loewenbaum G Walter Ii (Director) Buy 2,500 14.65 36,625
2006-08-24 Loewenbaum G Walter Ii (Director) Buy 3,150 14.65 46,147
2006-08-23 Loewenbaum G Walter Ii (Director) Buy 4,000 14.54 58,160
2006-08-22 Loewenbaum G Walter Ii (Director) Buy 2,000 15.10 30,200
2006-08-21 Loewenbaum G Walter Ii (Director) Buy 1,781 14.87 26,483
2006-08-18 Loewenbaum G Walter Ii (Director) Buy 25,000 15.33 383,175
2006-08-17 Grace Robert M Jr (VP,General Counsel & Secretary) Buy 3,000 14.35 43,050
2006-08-17 Loewenbaum G Walter Ii (Director) Buy 25,000 14.82 370,575
2006-08-01 Hull Charles W (Exec. VP./Chief Tech. Off.) Sale 4,000 16.64 66,552
2006-07-03 Hull Charles W (Exec. VP./Chief Tech. Off.) Sale 4,000 20.18 80,740
2006-06-01 Hull Charles W (Exec. VP./Chief Tech. Off.) Sale 4,000 19.69 78,768
2006-05-19 Spalding Richard C (Director) Buy 20,000 20.41 408,120
2006-05-01 Hull Charles W (Exec. VP./Chief Tech. Off.) Sale 4,000 23.07 92,264
2006-04-03 Hull Charles W (Exec. VP./Chief Tech. Off.) Sale 4,000 21.24 84,968
2006-03-01 Hull Charles W (Exec. VP./Chief Tech. Off.) Sale 4,000 19.00 76,020
2006-02-01 Hull Charles W (V.P./CTO) Sale 4,000 19.41 77,640
2006-01-03 Hull Charles W (V.P./CTO) Sale 4,000 17.59 70,364
2005-12-01 Hull Charles W (V.P./CTO) Sale 4,000 17.74 70,968
2005-11-01 Hull Charles W (V.P./CTO) Sale 4,000 17.94 71,760
2005-10-03 Hull Charles W (V.P./CTO) Sale 4,000 22.27 89,092
2005-09-01 Hull Charles W (V.P./CTO) Sale 4,000 22.31 89,240
2005-08-02 Hull Charles W (V.P./CTO) Sale 2,000 20.00 40,000
2005-07-01 Hull Charles W (V.P./CTO) Sale 4,000 23.83 95,336
2005-06-01 Hull Charles W (V.P./CTO) Sale 2,000 21.23 42,460
2005-05-13 Jones Fred R (V.P./Chief Financial) Buy 10,000 19.44 194,380
2005-05-09 Grace Robert M Jr (Sec.) Buy 2,000 16.61 33,220
2005-04-01 Hull Charles W (V.P./CTO) Sale 2,000 19.15 38,300
2000-08-09 Gold Miriam V (Director) Sale 300 24.11 7,233
2000-03-30 Moore Kevin S (Director) Buy 101,900 10.53 1,073,007

Insider trading activities including stock purchases, stock sales, and option exercises of DDD listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of 3d Systems Corp (symbol DDD, CIK number 910638) see the Securities and Exchange Commission (SEC) website.