Insider Trading activities of Cogent Communications Group Inc insiders. , Part 3

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Cogent Communications Group Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Cogent Communications Group Inc since year 2005. (See page 1 of this report.) Table 2 shows the detailed insider transactions of Cogent Communications Group Inc since 2005. The reporting company's ticker symbol is CCOI. The reporting company's CIK number is 1158324.
The total value of stock buying since 2005 is $1,211,015.
The total value of stock sales since 2005 is $465,041,510.
The total value of stock option exercises since 2005 is $1,547,432.



Table 2. Detailed insider stock purchases, sales, and option exercises of Cogent Communications Group Inc insiders (CCOI) , Part 3
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2012-02-24 Weingarten Tim Sale 20,000 17.53 350,600
2012-02-08 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 17.27 17,266
2012-01-18 Beury Robert N Jr (VP & Chief Legal Officer) Sale 3,000 18.85 56,550
2012-01-17 Karnes Jeffrey (VP Sales & CRO) Sale 1,500 18.24 27,355
2012-01-11 Oneill Timothy G (VP Field Engineering) Sale 2,000 17.16 34,320
2012-01-10 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 17.02 17,021
2012-01-03 Karnes Jeffrey (VP Sales & CRO) Sale 500 17.04 8,521
2012-01-03 Oneill Timothy G (VP Field Engineering) Sale 1,250 17.05 21,312
2011-12-15 Margalit Erel N Sale 13,000 16.97 220,609
2011-12-12 Beury Robert N Jr (VP & Chief Legal Officer) Sale 3,000 17.50 52,500
2011-12-12 Oneill Timothy G (VP Field Engineering) Sale 6,000 17.39 104,370
2011-12-08 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 16.45 16,452
2011-12-05 Beury Robert N Jr (VP & Chief Legal Officer) Sale 3,000 16.65 49,949
2011-12-02 Beury Robert N Jr (VP & Chief Legal Officer) Sale 2,000 16.74 33,480
2011-12-02 Schleifer Mark A (VP of IP Engineering) Sale 3,125 16.58 51,812
2011-12-02 Schleifer Mark A (VP of IP Engineering) Option Ex 3,125 4.88 15,250
2011-12-01 Beury Robert N Jr (VP & Chief Legal Officer) Sale 5,000 16.60 83,000
2011-12-01 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 5,000 17.02 85,100
2011-11-30 Margalit Erel N Sale 8,700 16.55 143,976
2011-11-09 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 16.16 16,163
2011-11-07 Beury Robert N Jr (VP & Chief Legal Officer) Sale 3,000 16.50 49,500
2011-11-07 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 5,000 16.54 82,695
2011-10-17 Karnes Jeffrey (VP Sales & CRO) Sale 1,500 14.87 22,302
2011-10-17 Kummer Raymond B (CTO; VP Optical Transport) Sale 1,500 14.87 22,299
2011-10-17 Schleifer Mark A (VP of IP Engineering) Sale 3,000 14.90 44,709
2011-10-17 Oneill Timothy G (VP Field Engineering) Sale 1,000 15.13 15,130
2011-10-11 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 14.36 14,356
2011-10-03 Karnes Jeffrey (VP Sales & CRO) Sale 500 13.35 6,676
2011-10-03 Kummer Raymond B (CTO; VP Optical Transport) Sale 500 13.29 6,644
2011-10-03 Schleifer Mark A (VP of IP Engineering) Sale 1,250 13.27 16,590
2011-10-03 Oneill Timothy G (VP Field Engineering) Sale 1,250 13.28 16,600
2011-09-15 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 13.29 13,285
2011-08-18 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 13.26 13,260
2011-07-15 Karnes Jeffrey (VP Sales & CRO) Sale 1,500 16.63 24,942
2011-07-15 Kummer Raymond B (CTO; VP Optical Transport) Sale 1,500 16.70 25,057
2011-07-15 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 5,000 16.62 83,100
2011-07-15 Schleifer Mark A (VP of IP Engineering) Sale 3,000 16.69 50,076
2011-07-15 Oneill Timothy G (VP Field Engineering) Sale 1,000 16.76 16,760
2011-07-13 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 17.41 17,405
2011-07-06 Oneill Timothy G (VP Field Engineering) Sale 3,500 17.50 61,250
2011-07-06 Oneill Timothy G (VP Field Engineering) Option Ex 3,500 4.88 17,080
2011-07-01 Karnes Jeffrey (VP Sales & CRO) Sale 500 17.07 8,535
2011-07-01 Kummer Raymond B (CTO; VP Optical Transport) Sale 500 16.91 8,456
2011-07-01 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 1,250 17.05 21,317
2011-07-01 Schleifer Mark A (VP of IP Engineering) Sale 1,250 16.83 21,042
2011-07-01 Oneill Timothy G (VP Field Engineering) Sale 1,250 16.97 21,212
2011-06-16 Kummer Raymond B (CTO; VP Optical Transport) Sale 4,750 15.76 74,850
2011-06-16 Beury Robert N Jr (VP & Chief Legal Officer) Sale 3,000 15.74 47,223
2011-06-14 Oneill Timothy G (VP Field Engineering) Sale 5,000 15.25 76,255
2011-06-01 Kummer Raymond B (CTO; VP Optical Transport) Sale 2,500 16.00 40,000
2011-06-01 Beury Robert N Jr (VP & Chief Legal Officer) Sale 2,000 15.94 31,880
2011-05-19 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 14.28 14,275
2011-05-13 Karnes Jeffrey (VP Sales & CRO) Sale 4,000 14.62 58,480
2011-04-15 Karnes Jeffrey (VP Sales & CRO) Sale 6,000 12.92 77,532
2011-04-15 Kummer Raymond B (CTO; VP Optical Transport) Sale 8,000 12.92 103,368
2011-04-15 Beury Robert N Jr (VP & Chief Legal Officer) Sale 3,000 12.93 38,775
2011-04-15 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 28,400 12.93 367,212
2011-04-15 Schleifer Mark A (VP of IP Engineering) Sale 17,040 12.92 220,139
2011-04-15 Oneill Timothy G (VP Field Engineering) Sale 8,000 12.99 103,920
2011-04-01 Karnes Jeffrey (VP Sales & CRO) Sale 500 14.74 7,370
2011-04-01 Kummer Raymond B (CTO; VP Optical Transport) Sale 500 14.32 7,160
2011-04-01 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 1,250 14.73 18,415
2011-04-01 Schleifer Mark A (VP of IP Engineering) Sale 1,250 14.32 17,900
2011-04-01 Oneill Timothy G (VP Field Engineering) Sale 1,250 14.32 17,900
2011-03-24 Beury Robert N Jr (VP & Chief Legal Officer) Sale 3,000 13.92 41,757
2011-03-04 Kummer Raymond B (CTO; VP Optical Transport) Sale 700 15.78 11,046
2011-03-04 Oneill Timothy G (VP Field Engineering) Sale 10,000 16.00 160,000
2011-03-03 Kummer Raymond B (CTO; VP Optical Transport) Sale 1,300 15.27 19,848
2011-02-24 Kummer Raymond B (CTO; VP Optical Transport) Sale 1,000 15.40 15,398
2011-02-10 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 13.76 13,760
2011-02-01 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 1,317 13.92 18,333
2011-01-14 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 3,125 15.00 46,875
2011-01-14 Weed Thaddeus Gerard (VP, CFO & Treasurer) Option Ex 3,125 4.88 15,250
2011-01-13 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 14.82 14,822
2011-01-06 Montagner Marc Buy 5,500 13.98 76,890
2011-01-06 Weingarten Tim Buy 4,370 14.30 62,491
2011-01-04 Liebhaber Richard Buy 5,280 14.20 74,976
2011-01-04 Schleifer Mark A (VP of IP Engineering) Sale 1,250 14.24 17,800
2011-01-03 Bath Blake Buy 5,275 14.22 74,989
2011-01-03 Kummer Raymond B (CTO; VP Optical Transport) Sale 4,500 14.23 64,026
2011-01-03 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 1,666 14.14 23,562
2011-01-03 Oneill Timothy G (VP Field Engineering) Sale 1,250 14.23 17,787
2010-12-21 Beury Robert N Jr (VP & Chief Legal Officer) Sale 3,000 12.85 38,550
2010-12-20 Karnes Jeffrey (VP Sales & CRO) Sale 938 12.62 11,834
2010-12-09 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 12.11 12,110
2010-12-01 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 416 12.29 5,113
2010-11-18 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 11.91 11,909
2010-11-09 Brooks Steven D Sale 32,835 11.75 385,778
2010-11-04 Beury Robert N Jr (VP & Chief Legal Officer) Sale 3,000 11.85 35,550
2010-11-01 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 416 10.71 4,455
2010-10-18 Karnes Jeffrey (VP Sales & CRO) Sale 7,000 10.50 73,500
2010-10-14 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 10.23 10,232
2010-10-13 Kummer Raymond B (CTO; VP Optical Transport) Sale 1,000 10.01 10,007
2010-10-13 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 625 10.00 6,250
2010-10-13 Schleifer Mark A (VP of IP Engineering) Sale 1,250 10.00 12,500
2010-10-13 Oneill Timothy G (VP Field Engineering) Sale 2,380 10.00 23,800
2010-10-11 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 625 10.00 6,250
2010-10-11 Schleifer Mark A (VP of IP Engineering) Sale 1,250 10.00 12,500
2010-10-11 Oneill Timothy G (VP Field Engineering) Sale 120 10.00 1,200
2010-10-01 Karnes Jeffrey (VP Sales & CRO) Sale 625 9.41 5,884
2010-10-01 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 1,041 9.43 9,815
2010-09-20 Karnes Jeffrey (VP Sales & CRO) Sale 938 9.11 8,546
2010-09-16 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 8.68 8,684
2010-09-01 Kummer Raymond B (CTO; VP Optical Transport) Sale 500 9.11 4,555
2010-09-01 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 416 9.01 3,746
2010-08-18 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 8.61 8,611
2010-08-02 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 416 8.76 3,643
2010-07-13 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 416 8.00 3,328
2010-07-08 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 7.51 7,512
2010-07-01 Karnes Jeffrey (VP Sales & CRO) Sale 625 7.34 4,588
2010-07-01 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 625 7.34 4,589
2010-06-21 Karnes Jeffrey (VP Sales & CRO) Sale 938 8.73 8,192
2010-06-01 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 9.13 9,130
2010-06-01 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 416 9.10 3,787
2010-05-10 Beury Robert N Jr (VP & Chief Legal Officer) Sale 500 9.62 4,809
2010-05-03 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 416 10.26 4,266
2010-04-30 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 10.37 10,372
2010-04-09 Beury Robert N Jr (VP & Chief Legal Officer) Sale 500 10.06 5,030
2010-04-01 Karnes Jeffrey (VP Sales & CRO) Sale 500 10.09 5,047
2010-04-01 Kummer Raymond B (CTO; VP Optical Transport) Sale 500 10.43 5,215
2010-04-01 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 1,666 10.12 16,858
2010-04-01 Schleifer Mark A (VP of IP Engineering) Sale 1,250 10.43 13,037
2010-04-01 Oneill Timothy G (VP Field Engineering) Sale 1,250 10.43 13,037
2010-03-31 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 10.59 10,593
2010-03-22 Karnes Jeffrey (VP Sales & CRO) Sale 750 11.24 8,433
2010-03-09 Beury Robert N Jr (VP & Chief Legal Officer) Sale 500 11.35 5,674
2010-03-03 Schleifer Mark A (VP of IP Engineering) Sale 1,250 10.52 13,154
2010-03-01 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 9.99 9,995
2010-03-01 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 416 10.00 4,158
2010-02-09 Beury Robert N Jr (VP & Chief Legal Officer) Sale 500 10.86 5,428
2010-02-01 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 11.05 11,047
2010-02-01 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 416 11.02 4,582
2010-01-14 Beury Robert N Jr (VP & Chief Legal Officer) Sale 4,000 11.93 47,720
2010-01-11 Beury Robert N Jr (VP & Chief Legal Officer) Sale 4,500 10.81 48,667
2010-01-07 Margalit Erel N Buy 8,700 14.18 123,366
2010-01-06 Margalit Erel N Buy 7,140 10.50 74,948
2010-01-05 Weingarten Tim Buy 7,379 10.14 74,852
2010-01-05 Brooks Steven D Buy 5,000 9.93 49,650
2010-01-04 Bath Blake Buy 7,500 9.95 74,647
2010-01-04 Karnes Jeffrey (VP Sales & CRO) Sale 500 9.95 4,975
2010-01-04 Liebhaber Richard Buy 7,500 9.99 74,895
2010-01-04 Kummer Raymond B (CTO; VP Optical Transport) Sale 500 9.91 4,953
2010-01-04 Beury Robert N Jr (VP & Chief Legal Officer) Sale 400 9.95 3,979
2010-01-04 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 1,666 9.97 16,610
2010-01-04 Oneill Timothy G (VP Field Engineering) Sale 1,250 10.00 12,500
2009-12-31 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 9.92 9,918
2009-12-30 Schaeffer Dave (Chairman, President & CEO) Option Ex 76,930 .00 0
2009-12-21 Karnes Jeffrey (VP Sales & CRO) Sale 750 9.32 6,990
2009-12-09 Beury Robert N Jr (VP & Chief Legal Officer) Sale 500 9.09 4,544
2009-12-01 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 416 8.59 3,574

Insider trading activities including stock purchases, stock sales, and option exercises of CCOI listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Cogent Communications Group Inc (symbol CCOI, CIK number 1158324) see the Securities and Exchange Commission (SEC) website.