Insider Trading activities of Great Lakes Dredge & Dock Corp insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Great Lakes Dredge & Dock Corp since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Great Lakes Dredge & Dock Corp since year 2005. Table 2 shows the detailed insider transactions of Great Lakes Dredge & Dock Corp since 2005. The reporting company's ticker symbol is GLDD. The reporting company's CIK number is 1372020.
The total value of stock buying since 2005 is $25,381,605.
The total value of stock sales since 2005 is $512,433,387.
The total value of stock option exercises since 2005 is $504,774.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Great Lakes Dredge & Dock Corp (GLDD).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-11 7,320 $34,536 0 $0 0 $0
2017-08 203,507 $767,937 0 $0 0 $0
2017-05 10,000 $45,500 0 $0 0 $0
2017-03 63,000 $269,847 0 $0 0 $0
2017-02 139,800 $613,449 0 $0 0 $0
2016-11 7,930 $25,455 0 $0 0 $0
2016-08 35,000 $140,630 0 $0 0 $0
2015-09 12,900 $67,621 0 $0 0 $0
2015-08 49,809 $271,517 0 $0 0 $0
2015-06 57,033 $334,297 0 $0 0 $0
2015-05 36,762 $206,779 0 $0 0 $0
2014-12 0 $0 10,000 $80,000 0 $0
2014-03 15,452 $138,604 15,452 $138,449 0 $0
2013-12 0 $0 2,000 $17,752 0 $0
2013-11 0 $0 8,000 $69,914 0 $0
2013-09 0 $0 0 $0 58,746 $421,796
2013-05 0 $0 7,659 $62,803 0 $0
2012-12 0 $0 10,000 $90,100 0 $0
2012-11 16,217 $133,303 36,217 $297,161 0 $0
2012-08 0 $0 38,722 $289,181 21,722 $82,978
2012-04 0 $0 2,164 $15,556 0 $0
2012-02 0 $0 19,721 $138,047 0 $0
2012-01 2,411 $14,634 28,904 $186,838 0 $0
2011-11 9,843 $55,120 34,843 $205,120 0 $0
2011-09 46,079 $197,133 0 $0 0 $0
2011-08 63,000 $294,404 0 $0 0 $0
2011-04 0 $0 25,000 $196,000 0 $0
2011-03 0 $0 165,000 $1,249,525 0 $0
2011-02 0 $0 42,000 $319,200 0 $0
2010-09 48,000 $231,186 0 $0 0 $0
2010-06 0 $0 502,238 $3,165,246 0 $0
2010-04 9,204 $51,174 9,204 $51,082 0 $0
2009-11 24,401 $164,194 24,401 $163,960 0 $0
2009-09 0 $0 2,202 $15,617 0 $0
2009-08 0 $0 42,787,216 $234,901,815 0 $0
2009-06 0 $0 5,000 $25,200 0 $0
2009-04 0 $0 4,000 $12,640 0 $0
2009-03 0 $0 4,000 $12,440 0 $0
2009-02 0 $0 4,000 $11,920 0 $0
2009-01 0 $0 4,000 $14,440 0 $0
2008-12 0 $0 4,000 $17,920 0 $0
2008-11 0 $0 4,000 $16,760 0 $0
2008-10 14,900 $75,400 61,002 $310,865 0 $0
2008-09 3,000 $17,760 4,500 $29,790 0 $0
2008-08 0 $0 21,000 $152,540 0 $0
2008-07 0 $0 5,000 $29,150 0 $0
2008-06 0 $0 13,000 $79,600 0 $0
2008-05 0 $0 5,000 $27,550 0 $0
2007-12 90 $585 30,000 $262,800 0 $0
2007-11 0 $0 35,000 $297,300 0 $0
2007-08 0 $0 38,161,886 $269,041,296 0 $0
2007-07 4,246,108 $21,230,540 38,500 $343,311 0 $0
2007-03 0 $0 14,000 $94,499 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Great Lakes Dredge & Dock Corp insiders (GLDD)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-11-10 Uhler Robert B (Director) Buy 5,320 4.72 25,136
2017-11-10 Walsh Michael Joseph (Director) Buy 2,000 4.70 9,400
2017-08-14 Petterson Lasse (CEO) Buy 42,610 3.91 166,732
2017-08-11 Petterson Lasse (CEO) Buy 71,142 3.70 263,225
2017-08-10 Petterson Lasse (CEO) Buy 17,255 3.70 63,843
2017-08-09 Petterson Lasse (CEO) Buy 67,500 3.79 255,487
2017-08-04 Uhler Robert B (Director) Buy 5,000 3.73 18,650
2017-05-08 Uhler Robert B Buy 10,000 4.55 45,500
2017-03-14 Deutsch Peter Buy 9,000 4.15 37,368
2017-03-13 Petterson Lasse Buy 14,543 4.30 62,534
2017-03-13 Deutsch Peter Buy 2,000 4.24 8,480
2017-03-10 Petterson Lasse Buy 35,457 4.30 152,465
2017-03-07 Albert Carl A Buy 2,000 4.50 9,000
2017-02-28 Levenson Ryan Buy 110,000 4.37 480,810
2017-02-28 Albert Carl A Buy 2,000 4.40 8,800
2017-02-27 Uhler Robert B Buy 5,600 4.56 25,535
2017-02-27 Levenson Ryan Buy 16,200 4.42 71,604
2017-02-27 Albert Carl A Buy 6,000 4.45 26,700
2016-11-07 Uhler Robert B Buy 7,930 3.21 25,455
2016-08-09 Uhler Robert B Buy 35,000 4.02 140,630
2015-09-14 Leight Nathan (Director) Buy 12,900 5.24 67,621
2015-08-24 Leight Nathan Buy 14,000 5.25 73,486
2015-08-21 Leight Nathan Buy 5,000 5.35 26,750
2015-08-20 Leight Nathan Buy 10,000 5.44 54,429
2015-08-19 Leight Nathan Buy 3,000 5.71 17,130
2015-08-18 Leight Nathan Buy 3,000 5.58 16,740
2015-08-17 Leight Nathan Buy 4,809 5.59 26,882
2015-08-14 Leight Nathan Buy 10,000 5.61 56,100
2015-06-12 Leight Nathan Buy 15,000 5.97 89,625
2015-06-11 Waryjas Maryann (SVP & Chief Legal Officer) Buy 5,200 5.89 30,628
2015-06-11 Leight Nathan Buy 14,791 5.93 87,784
2015-06-09 Leight Nathan Buy 8,742 5.74 50,179
2015-06-08 Leight Nathan Buy 100 5.66 566
2015-06-05 Leight Nathan Buy 6,000 5.73 34,398
2015-06-03 Leight Nathan Buy 3,000 5.85 17,550
2015-06-02 Leight Nathan Buy 4,000 5.61 22,440
2015-06-01 Leight Nathan Buy 200 5.63 1,127
2015-05-29 Leight Nathan Buy 12,000 5.57 66,840
2015-05-26 Leight Nathan Buy 6,000 5.49 32,940
2015-05-22 Leight Nathan Buy 167 5.67 946
2015-05-21 Leight Nathan Buy 5,000 5.67 28,350
2015-05-12 Leight Nathan Buy 5,000 5.79 28,950
2015-05-11 Leight Nathan Buy 5,000 5.71 28,550
2015-05-07 Berger Jonathan W (CEO) Buy 3,595 5.62 20,203
2014-12-12 Simonelli David E (President, Dredging Operations) Sale 10,000 8.00 80,000
2014-03-14 Deutsch Peter Buy 15,452 8.97 138,604
2014-03-14 Deutsch Peter Sale 15,452 8.96 138,449
2013-12-02 Simonelli David E (President, Dredging Operations) Sale 2,000 8.88 17,752
2013-11-27 Simonelli David E (President, Dredging Operations) Sale 1,766 8.85 15,629
2013-11-26 Simonelli David E (President, Dredging Operations) Sale 234 8.85 2,070
2013-11-25 Simonelli David E (President, Dredging Operations) Sale 1,000 8.85 8,850
2013-11-20 Simonelli David E (President, Dredging Operations) Sale 5,000 8.67 43,365
2013-09-13 Mackie Douglas B Option Ex 58,746 7.18 421,796
2013-05-21 Johnson Kyle D (Senior Vice President) Sale 7,659 8.20 62,803
2012-12-12 Mackie Douglas B Sale 10,000 9.01 90,100
2012-11-08 Mackie Douglas B Sale 20,000 8.20 164,020
2012-11-08 Deutsch Peter Buy 16,217 8.22 133,303
2012-11-08 Deutsch Peter Sale 16,217 8.21 133,141
2012-08-29 Johnson Kyle D (Senior Vice President) Sale 21,722 7.48 162,480
2012-08-29 Johnson Kyle D (Senior Vice President) Option Ex 21,722 3.82 82,978
2012-08-15 Simonelli David E (President, Dredging Operations) Sale 17,000 7.45 126,701
2012-04-19 Mackie Douglas B Sale 2,164 7.19 15,556
2012-02-16 Mackie Douglas B Sale 19,721 7.00 138,047
2012-01-24 Mackie Douglas B Sale 26,454 6.50 171,951
2012-01-20 Mackie Douglas B Sale 39 6.50 253
2012-01-10 Deutsch Peter Buy 2,411 6.07 14,634
2012-01-10 Deutsch Peter Sale 2,411 6.07 14,634
2011-11-28 Deutsch Peter Buy 9,843 5.60 55,120
2011-11-28 Deutsch Peter Sale 9,843 5.60 55,120
2011-11-16 Mackie Douglas B Sale 12,516 6.00 75,096
2011-11-15 Mackie Douglas B Sale 12,484 6.00 74,904
2011-09-30 Bittel Stephen Buy 1,587 4.06 6,443
2011-09-29 Bittel Stephen Buy 5,000 4.05 20,250
2011-09-28 Leight Nathan Buy 8,000 4.01 32,080
2011-09-22 Bittel Stephen Buy 3,892 4.11 15,996
2011-09-21 Bittel Stephen Buy 10,000 4.38 43,800
2011-09-20 Bittel Stephen Buy 5,000 4.46 22,300
2011-09-13 Bittel Stephen Buy 2,000 4.45 8,900
2011-09-09 Bittel Stephen Buy 10,000 4.47 44,700
2011-09-06 Bittel Stephen Buy 600 4.44 2,664
2011-08-11 Leight Nathan Buy 3,000 4.62 13,860
2011-08-10 Leight Nathan Buy 25,000 4.52 113,100
2011-08-08 Bittel Stephen Buy 10,000 4.52 45,199
2011-08-05 Leight Nathan Buy 15,000 4.82 72,285
2011-08-04 Bittel Stephen Buy 10,000 5.00 49,960
2011-04-05 Mackie Douglas B Sale 25,000 7.84 196,000
2011-03-29 Mackie Douglas B Sale 25,000 7.30 182,500
2011-03-22 Mackie Douglas B Sale 25,000 7.30 182,525
2011-03-15 Mackie Douglas B Sale 25,000 7.30 182,500
2011-03-08 Mackie Douglas B Sale 45,000 7.92 356,400
2011-03-01 Mackie Douglas B Sale 45,000 7.68 345,600
2011-02-25 Mackie Douglas B Sale 30,000 7.63 228,900
2011-02-24 Mackie Douglas B Sale 12,000 7.53 90,300
2010-09-22 Leight Nathan Buy 5,000 5.15 25,750
2010-09-21 Leight Nathan Buy 7,000 4.87 34,090
2010-09-20 Leight Nathan Buy 6,000 4.65 27,894
2010-09-17 Leight Nathan Buy 14,000 4.72 66,080
2010-09-16 Leight Nathan Buy 6,000 4.87 29,220
2010-09-10 Albert Carl A Buy 9,000 4.82 43,362
2010-09-09 Albert Carl A Buy 1,000 4.79 4,790
2010-06-25 Weiss Jason Sale 10,476 6.32 66,208
2010-06-24 Weiss Jason Sale 35,713 6.22 222,134
2010-06-23 Weiss Jason Sale 50,000 6.14 307,000
2010-06-22 Weiss Jason Sale 5,800 6.25 36,250
2010-06-21 Weiss Jason Sale 16,800 6.44 108,192
2010-06-18 Weiss Jason Sale 24,716 6.37 157,440
2010-06-17 Weiss Jason Sale 28,300 6.48 183,384
2010-06-16 Weiss Jason Sale 34,233 6.35 217,379
2010-06-14 Weiss Jason Sale 67,700 6.17 417,709
2010-06-08 Weiss Jason Sale 5,500 6.02 33,110
2010-06-07 Weiss Jason Sale 17,000 6.17 104,890
2010-06-04 Wensel Deborah A (Senior VP & CFO) Sale 3,000 6.50 19,500
2010-06-04 Weiss Jason Sale 100,000 6.31 631,000
2010-06-03 Wensel Deborah A (Senior VP & CFO) Sale 3,000 6.35 19,050
2010-06-03 Weiss Jason Sale 100,000 6.42 642,000
2010-04-07 Deutsch Peter Buy 9,204 5.56 51,174
2010-04-07 Deutsch Peter Sale 9,204 5.55 51,082
2009-11-17 Deutsch Peter Buy 23,401 6.72 157,254
2009-11-17 Deutsch Peter Sale 23,401 6.71 157,020
2009-11-16 Deutsch Peter Buy 1,000 6.94 6,940
2009-11-16 Deutsch Peter Sale 1,000 6.94 6,940
2009-09-16 Johnson Kyle D (VP - Chief Contract Manager) Sale 2,000 7.13 14,260
2009-09-15 Berger Jonathan W Sale 202 6.72 1,357
2009-08-19 William Hanson H. (VP - US Business Development) Sale 2,000 5.49 10,980
2009-08-19 Pagendarm William F (VP - Division Manager) Sale 8,000 5.49 43,920
2009-08-19 Hansen Bradley T.j. (VP - Division Manager) Sale 4,500 5.49 24,705
2009-08-19 Grissom Douglas C (Director) Sale 14,257,572 5.49 78,274,070
2009-08-19 Souleles Thomas S (Director) Sale 14,257,572 5.49 78,274,070
2009-08-19 Madison Dearborn Partners Llc (10% Owner) Sale 14,257,572 5.49 78,274,070
2009-06-25 Hansen Bradley T.j. (VP - Division Manager) Sale 5,000 5.04 25,200
2009-04-15 Mackie Douglas B (President & CEO) Sale 4,000 3.16 12,640
2009-03-16 Mackie Douglas B (President & CEO) Sale 4,000 3.11 12,440
2009-02-17 Mackie Douglas B (President & CEO) Sale 4,000 2.98 11,920
2009-01-15 Mackie Douglas B (President & CEO) Sale 4,000 3.61 14,440
2008-12-15 Mackie Douglas B (President & CEO) Sale 4,000 4.48 17,920
2008-11-17 Mackie Douglas B (President & CEO) Sale 4,000 4.19 16,760
2008-10-15 Mackie Douglas B (President & CEO) Sale 4,500 4.92 22,140
2008-10-13 O'hara Steven F. (VP - Division Manager) Sale 56,502 5.11 288,725
2008-10-09 Deutsch Peter Buy 900 4.60 4,140
2008-10-06 Weiss Jason Buy 10,000 5.00 50,000
2008-10-02 Leight Nathan Buy 4,000 5.32 21,260
2008-09-29 Leight Nathan Buy 3,000 5.92 17,760
2008-09-15 Mackie Douglas B (President & CEO) Sale 4,500 6.62 29,790
2008-08-15 Mackie Douglas B (President & CEO) Sale 5,000 7.66 38,300
2008-08-14 Wensel Deborah A (Senior VP & CFO) Sale 8,000 7.53 60,240
2008-08-07 Wensel Deborah A (Senior VP & CFO) Sale 8,000 6.75 54,000
2008-07-15 Mackie Douglas B (President & CEO) Sale 5,000 5.83 29,150
2008-06-30 Wensel Deborah A (Senior VP & CFO) Sale 8,000 6.25 50,000
2008-06-16 Mackie Douglas B (President & CEO) Sale 5,000 5.92 29,600
2008-05-15 Mackie Douglas B (President & CEO) Sale 5,000 5.51 27,550
2007-12-27 Gillespie Christopher J (V.P. International Operation) Buy 90 6.50 585
2007-12-05 Wensel Deborah A (Senior VP and CFO) Sale 10,000 8.90 89,000
2007-12-03 Mackie Douglas B (President and CEO) Sale 20,000 8.69 173,800
2007-11-21 Mackie Douglas B (President and CEO) Sale 5,000 8.46 42,300
2007-11-14 Mackie Douglas B (President and CEO) Sale 19,522 8.50 165,937
2007-11-12 Mackie Douglas B (President and CEO) Sale 478 8.50 4,063
2007-11-09 Wensel Deborah A (Senior VP and CFO) Sale 10,000 8.50 85,000
2007-08-01 Wensel Deborah A (Senior VP and CFO) Sale 60,000 7.05 423,000
2007-08-01 Gillespie Christopher J (V.P. - International Operation) Sale 5,000 7.05 35,250
2007-08-01 Pagendarm William F (V.P. - Division Manager) Sale 23,000 7.05 162,150
2007-08-01 Lowry Richard M (Executive VP and COO) Sale 85,000 7.05 599,250
2007-08-01 Mackie Douglas B (President and CEO) Sale 10,500 7.05 74,025
2007-08-01 Weiss Jason (Director) Sale 600,000 7.05 4,230,000
2007-08-01 Grissom Douglas C (Director) Sale 12,459,462 7.05 87,839,207
2007-08-01 Souleles Thomas S (Director) Sale 12,459,462 7.05 87,839,207
2007-08-01 Madison Dearborn Partners Llc (10% Owner) Sale 12,459,462 7.05 87,839,207
2007-07-20 Auerbach Jonathan A G (10% Owner) Buy 4,246,108 5.00 21,230,540
2007-07-16 Becker Steven W (Plant Equip Mgr and CME) Sale 15,000 8.97 134,520
2007-07-13 Gillespie Christopher J (VP - International Operations) Sale 5,000 8.90 44,525
2007-07-13 Hansen Bradley T.j. (V.P. - Division Manager) Sale 4,000 9.09 36,352
2007-07-12 Hansen Bradley T.j. (V.P. - Division Manager) Sale 6,000 8.77 52,643
2007-07-11 Hansen Bradley T.j. (Vice President - Division Mgr) Sale 6,500 8.81 57,271
2007-07-10 Hansen Bradley T.j. (Vice President - Division Mgr) Sale 2,000 9.00 18,000
2007-03-30 Karas John F (V.P & Chief Estimator) Sale 13,770 6.75 92,947
2007-03-28 Karas John F (Vice Pres. - Chief Estimator) Sale 130 6.75 877
2007-03-27 Karas John F (Vice Pres. - Chief Estimator) Sale 100 6.75 675

Insider trading activities including stock purchases, stock sales, and option exercises of GLDD listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Great Lakes Dredge & Dock Corp (symbol GLDD, CIK number 1372020) see the Securities and Exchange Commission (SEC) website.