Insider Trading activities of Cogent Communications Holdings, Inc. (CCOI)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Cogent Communications Holdings, Inc. (CCOI) since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Cogent Communications Holdings, Inc. since year 2005. Table 2 shows the detailed insider transactions of Cogent Communications Holdings, 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 $1,242,724.
The total value of stock sales since 2005 is $476,252,099.
The total value of stock option exercises since 2005 is $1,547,432.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Cogent Communications Holdings, Inc. (CCOI).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2019-10 0 $0 250 $13,700 0 $0
2019-09 0 $0 9,995 $597,861 0 $0
2019-08 0 $0 6,000 $360,500 0 $0
2019-07 0 $0 250 $14,818 0 $0
2019-06 0 $0 20,120 $1,181,236 0 $0
2019-05 0 $0 15,455 $894,044 0 $0
2019-04 0 $0 3,250 $181,732 0 $0
2019-03 0 $0 34,200 $1,713,359 0 $0
2019-02 0 $0 1,000 $50,000 0 $0
2019-01 0 $0 250 $11,127 0 $0
2018-12 0 $0 9,800 $465,935 0 $0
2018-11 0 $0 2,500 $127,522 0 $0
2018-10 0 $0 1,000 $55,800 0 $0
2018-09 0 $0 39,500 $2,160,356 0 $0
2018-08 0 $0 1,000 $51,950 0 $0
2018-07 0 $0 1,000 $53,000 0 $0
2018-06 0 $0 19,600 $1,026,990 0 $0
2018-05 0 $0 15,000 $741,668 0 $0
2018-04 0 $0 1,000 $45,750 0 $0
2018-03 0 $0 15,000 $660,584 0 $0
2017-12 700 $31,709 17,375 $802,657 0 $0
2017-10 0 $0 2,000 $97,500 0 $0
2017-09 0 $0 19,716 $920,020 0 $0
2017-08 0 $0 15,750 $685,683 0 $0
2017-07 0 $0 1,000 $40,250 0 $0
2017-06 0 $0 14,183 $574,553 0 $0
2017-05 0 $0 1,000 $45,050 0 $0
2017-04 0 $0 6,000 $265,059 0 $0
2017-03 0 $0 17,019 $706,704 0 $0
2017-02 0 $0 7,450 $315,785 0 $0
2017-01 0 $0 26,000 $1,085,346 0 $0
2016-12 0 $0 9,000 $345,370 0 $0
2016-11 0 $0 3,800 $140,008 0 $0
2016-10 0 $0 3,000 $108,186 0 $0
2016-09 0 $0 5,822 $207,472 0 $0
2016-08 0 $0 3,233 $136,504 0 $0
2016-07 0 $0 4,000 $161,899 0 $0
2016-06 0 $0 9,000 $360,679 0 $0
2016-05 0 $0 17,250 $676,074 0 $0
2016-04 0 $0 7,000 $276,243 0 $0
2016-03 0 $0 15,000 $562,267 0 $0
2016-02 0 $0 12,250 $444,781 0 $0
2016-01 0 $0 2,000 $67,820 0 $0
2015-12 0 $0 3,000 $101,371 0 $0
2015-11 0 $0 13,000 $444,959 0 $0
2015-10 0 $0 3,000 $81,577 0 $0
2015-09 0 $0 5,200 $143,743 0 $0
2015-08 0 $0 3,000 $94,919 3,800 $18,544
2015-07 0 $0 3,000 $100,409 0 $0
2015-06 0 $0 8,450 $261,497 0 $0
2015-05 0 $0 3,000 $105,212 0 $0
2015-04 0 $0 3,000 $105,859 0 $0
2015-03 0 $0 11,250 $396,188 0 $0
2015-02 0 $0 11,600 $446,153 0 $0
2015-01 0 $0 12,000 $443,676 0 $0
2014-12 0 $0 5,500 $188,498 0 $0
2014-11 0 $0 18,500 $645,658 0 $0
2014-10 0 $0 3,500 $115,637 0 $0
2014-09 0 $0 8,750 $300,259 0 $0
2014-08 0 $0 14,750 $492,652 0 $0
2014-07 0 $0 2,500 $87,345 0 $0
2014-06 0 $0 12,000 $425,496 0 $0
2014-05 0 $0 3,750 $132,120 0 $0
2014-04 0 $0 2,500 $90,517 0 $0
2014-03 0 $0 5,000 $184,260 0 $0
2014-02 0 $0 2,000 $82,158 700 $3,416
2014-01 0 $0 6,500 $259,664 0 $0
2013-12 0 $0 4,500 $174,729 1,800 $8,784
2013-11 0 $0 1,500 $52,848 0 $0
2013-10 0 $0 4,500 $147,333 0 $0
2013-09 0 $0 4,000 $124,289 0 $0
2013-08 0 $0 8,998 $278,226 0 $0
2013-07 0 $0 8,152 $238,478 0 $0
2013-06 0 $0 16,000 $437,975 0 $0
2013-05 0 $0 25,250 $729,042 0 $0
2013-04 0 $0 8,700 $240,318 0 $0
2013-03 0 $0 27,350 $701,463 0 $0
2013-02 0 $0 34,600 $866,889 0 $0
2013-01 0 $0 2,500 $58,827 0 $0
2012-12 0 $0 18,000 $396,550 0 $0
2012-11 0 $0 19,000 $406,297 0 $0
2012-10 0 $0 4,800 $101,259 0 $0
2012-09 0 $0 11,000 $231,676 0 $0
2012-08 0 $0 17,000 $331,755 0 $0
2012-07 0 $0 7,900 $155,170 0 $0
2012-06 0 $0 1,000 $17,777 0 $0
2012-05 0 $0 4,000 $73,312 0 $0
2012-04 0 $0 7,900 $146,485 0 $0
2012-03 0 $0 25,850 $491,008 3,500 $17,080
2012-02 0 $0 86,112 $1,567,003 0 $0
2012-01 0 $0 9,250 $165,079 0 $0
2011-12 0 $0 41,125 $697,272 3,125 $15,250
2011-11 0 $0 17,700 $292,334 0 $0
2011-10 0 $0 11,500 $165,306 0 $0
2011-09 0 $0 1,000 $13,285 0 $0
2011-08 0 $0 1,000 $13,260 0 $0
2011-07 0 $0 21,250 $359,152 3,500 $17,080
2011-06 0 $0 17,250 $270,208 0 $0
2011-05 0 $0 5,000 $72,755 0 $0
2011-04 0 $0 75,190 $979,691 0 $0
2011-03 0 $0 15,000 $232,651 0 $0
2011-02 0 $0 4,195 $59,713 0 $0
2011-01 20,425 $289,346 12,791 $184,872 3,125 $15,250
2010-12 0 $0 5,354 $67,607 0 $0
2010-11 0 $0 37,251 $437,692 0 $0
2010-10 0 $0 16,916 $171,938 0 $0
2010-09 0 $0 2,854 $25,531 0 $0
2010-08 0 $0 1,416 $12,254 0 $0
2010-07 0 $0 2,666 $20,017 0 $0
2010-06 0 $0 2,354 $21,109 0 $0
2010-05 0 $0 916 $9,075 0 $0
2010-04 0 $0 6,666 $68,596 0 $0
2010-03 0 $0 4,916 $52,007 0 $0
2010-02 0 $0 1,916 $21,057 0 $0
2010-01 43,219 $472,358 12,816 $139,404 0 $0
2009-12 0 $0 2,666 $25,026 76,930 $0
2009-11 0 $0 1,916 $17,017 200,000 $0
2009-10 0 $0 49,666 $610,476 0 $0
2009-09 0 $0 22,566 $257,145 10,000 $60,000
2009-08 0 $0 57,016 $615,729 40,000 $240,000
2009-07 0 $0 5,941 $48,934 100,000 $0
2009-06 0 $0 3,166 $25,991 0 $0
2009-05 0 $0 416 $3,523 100,000 $0
2009-04 0 $0 67,941 $585,162 0 $0
2009-03 0 $0 13,467 $96,069 100,000 $0
2009-01 66,727 $449,311 16,000 $105,045 0 $0
2008-12 0 $0 11,574 $63,520 284 $0
2008-11 0 $0 500 $2,287 2,324 $0
2008-10 0 $0 1,500 $11,103 6,000 $24,400
2008-09 0 $0 500 $4,584 0 $0
2008-08 0 $0 500 $5,328 7,500 $36,600
2008-07 0 $0 500 $6,504 0 $0
2008-06 0 $0 5,619 $82,730 2,203 $6,100
2008-05 0 $0 2,051 $44,950 1,635 $4,880
2008-04 0 $0 2,478 $48,268 1,260 $3,050
2008-03 0 $0 2,651 $49,308 21,035 $45,872
2008-02 0 $0 13,937 $259,557 635 $0
2008-01 0 $0 2,510 $50,531 2,510 $9,150
2007-12 0 $0 3,082 $66,138 2,121 $2,052
2007-11 0 $0 1,641 $41,232 680 $0
2007-10 0 $0 2,266 $59,977 1,305 $3,050
2007-09 0 $0 4,241 $102,546 3,280 $9,760
2007-08 0 $0 42,266 $1,073,018 56,305 $333,050
2007-07 0 $0 44,266 $1,494,312 43,305 $243,050
2007-06 0 $0 10,866 $299,314 9,905 $51,050
2007-05 0 $0 14,641 $373,910 8,680 $24,000
2007-04 0 $0 10,266 $256,953 9,305 $51,050
2007-03 0 $0 11,482,060 $268,791,867 15,030 $58,614
2007-02 0 $0 9,180 $201,970 9,180 $48,000
2007-01 0 $0 1,015,306 $20,254,281 15,305 $51,050
2006-12 0 $0 5,818 $90,867 4,967 $0
2006-11 0 $0 7,517,092 $110,393,456 11,400 $15,250
2006-10 0 $0 14,469 $182,206 8,275 $48,000
2006-09 0 $0 4,327 $42,970 875 $0
2006-08 0 $0 5,955 $52,422 275 $0
2006-07 0 $0 1,969 $18,171 275 $0
2006-06 0 $0 3,637,631 $31,019,584 275 $0
2006-05 0 $0 14,755 $170,482 14,275 $84,000
2006-04 0 $0 2,755 $27,953 0 $0
2006-03 0 $0 15,695 $135,397 0 $0
2006-02 0 $0 11,307 $71,731 0 $0
2006-01 0 $0 10,000 $64,000 0 $0
2005-12 0 $0 44,830 $264,312 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Cogent Communications Holdings, Inc. insiders (CCOI)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2019-10-01 Bubeck James (Chief Revenue Officer) Sale 250 54.80 13,700
2019-09-10 Ferguson Lewis H Sale 675 58.28 39,341
2019-09-05 Kilmer Henry W (VP of IP Engineering) Sale 2,400 59.90 143,760
2019-09-05 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 5,000 60.00 300,000
2019-09-03 Bubeck James (Chief Revenue Officer) Sale 1,920 59.77 114,760
2019-08-30 Oneill Timothy G (VP Field Engineering) Sale 1,000 60.98 60,980
2019-08-21 Liebhaber Richard Sale 5,000 59.90 299,520
2019-07-01 Bubeck James (Chief Revenue Officer) Sale 250 59.27 14,818
2019-06-13 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 1,400 60.84 85,176
2019-06-10 Kummer Raymond B (CTO; VP Optical Transport) Sale 2,400 61.24 146,966
2019-06-06 Kilmer Henry W (VP of IP Engineering) Sale 2,400 58.64 140,728
2019-06-06 Oneill Timothy G (VP Field Engineering) Sale 4,000 58.62 234,480
2019-06-05 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 5,000 58.50 292,500
2019-06-04 Kummer Raymond B (CTO; VP Optical Transport) Sale 3,000 57.05 171,165
2019-06-03 Bubeck James (Chief Revenue Officer) Sale 1,920 57.41 110,221
2019-05-31 Oneill Timothy G (VP Field Engineering) Sale 1,000 57.52 57,520
2019-05-23 Ferguson Lewis H Sale 515 57.45 29,585
2019-05-22 Kummer Raymond B (CTO; VP Optical Transport) Sale 2,440 58.40 142,496
2019-05-09 Bath Blake Sale 10,000 57.88 578,780
2019-05-06 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 1,500 57.11 85,663
2019-04-05 Kummer Raymond B (CTO; VP Optical Transport) Sale 2,600 56.12 145,899
2019-04-04 Kummer Raymond B (CTO; VP Optical Transport) Sale 400 56.00 22,400
2019-04-01 Bubeck James (Chief Revenue Officer) Sale 250 53.73 13,433
2019-03-21 Kummer Raymond B (CTO; VP Optical Transport) Sale 2,800 52.32 146,493
2019-03-20 Kummer Raymond B (CTO; VP Optical Transport) Sale 200 52.01 10,402
2019-03-15 Kummer Raymond B (CTO; VP Optical Transport) Sale 3,000 51.00 153,000
2019-03-13 Oneill Timothy G (VP Field Engineering) Sale 2,000 51.00 102,000
2019-03-12 Montagner Marc Sale 2,000 50.00 100,000
2019-03-12 Brooks Steven D Sale 9,900 50.13 496,277
2019-03-12 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 5,000 50.00 250,000
2019-03-07 Ferguson Lewis H Sale 580 48.60 28,187
2019-03-06 Kilmer Henry W (VP of IP Engineering) Sale 2,400 48.92 117,417
2019-03-01 Bubeck James (Chief Revenue Officer) Sale 1,920 48.99 94,066
2019-03-01 Beury Robert N Jr (VP & Chief Legal Officer) Sale 2,400 49.00 117,597
2019-03-01 Oneill Timothy G (VP Field Engineering) Sale 2,000 48.96 97,920
2019-02-19 Oneill Timothy G (VP Field Engineering) Sale 1,000 50.00 50,000
2019-01-02 Bubeck James (Chief Revenue Officer) Sale 250 44.51 11,127
2018-12-14 Ferguson Lewis H Sale 800 47.20 37,760
2018-12-14 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 3,000 46.89 140,658
2018-12-06 Kilmer Henry W (VP of IP Engineering) Sale 3,000 46.68 140,043
2018-12-03 Beury Robert N Jr (VP & Chief Legal Officer) Sale 3,000 49.16 147,474
2018-11-08 Weingarten Tim Sale 2,500 51.01 127,522
2018-10-01 Oneill Timothy G (VP Field Engineering) Sale 1,000 55.80 55,800
2018-09-13 Bath Blake Sale 3,589 54.94 197,186
2018-09-13 Beury Robert N Jr (VP & Chief Legal Officer) Sale 4,000 54.92 219,688
2018-09-12 Bath Blake Sale 7,411 55.03 407,864
2018-09-12 Beury Robert N Jr (VP & Chief Legal Officer) Sale 2,000 54.95 109,910
2018-09-11 Bath Blake Sale 11,000 54.86 603,449
2018-09-06 Kilmer Henry W (VP of IP Engineering) Sale 3,000 54.98 164,928
2018-09-05 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 4,500 53.55 240,975
2018-09-04 Beury Robert N Jr (VP & Chief Legal Officer) Sale 3,000 53.95 161,856
2018-09-04 Oneill Timothy G (VP Field Engineering) Sale 1,000 54.50 54,500
2018-08-01 Oneill Timothy G (VP Field Engineering) Sale 1,000 51.95 51,950
2018-07-02 Oneill Timothy G (VP Field Engineering) Sale 1,000 53.00 53,000
2018-06-19 Kummer Raymond B (CTO; VP Optical Transport) Sale 2,100 54.76 114,987
2018-06-15 Kummer Raymond B (CTO; VP Optical Transport) Sale 3,000 53.78 161,334
2018-06-06 Kilmer Henry W (VP of IP Engineering) Sale 3,000 52.63 157,896
2018-06-06 Kummer Raymond B (CTO; VP Optical Transport) Sale 3,000 52.67 157,998
2018-06-04 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 4,500 51.12 230,040
2018-06-01 Beury Robert N Jr (VP & Chief Legal Officer) Sale 3,000 51.15 153,435
2018-06-01 Oneill Timothy G (VP Field Engineering) Sale 1,000 51.30 51,300
2018-05-18 Montagner Marc Sale 2,000 50.00 100,000
2018-05-16 Brooks Steven D Sale 2,000 50.65 101,298
2018-05-11 Bubeck James (Chief Revenue Officer) Sale 2,000 50.36 100,724
2018-05-09 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 3,000 49.32 147,951
2018-05-08 Brooks Steven D Sale 5,000 48.34 241,695
2018-05-03 Oneill Timothy G (VP Field Engineering) Sale 1,000 50.00 50,000
2018-04-12 Oneill Timothy G (VP Field Engineering) Sale 1,000 45.75 45,750
2018-03-16 Weingarten Tim Sale 1,700 43.60 74,120
2018-03-12 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 6,000 45.17 271,014
2018-03-06 Kilmer Henry W (VP of IP Engineering) Sale 3,000 43.36 130,080
2018-03-02 Bubeck James (Chief Revenue Officer) Sale 300 43.01 12,901
2018-03-01 Beury Robert N Jr (VP & Chief Legal Officer) Sale 3,000 43.17 129,519
2018-03-01 Oneill Timothy G (VP Field Engineering) Sale 1,000 42.95 42,950
2017-12-15 Montagner Marc Sale 5,000 47.00 235,000
2017-12-15 Weingarten Tim Sale 2,125 47.02 99,921
2017-12-08 Oneill Timothy G (VP Field Engineering) Sale 2,000 45.65 91,292
2017-12-07 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 2,000 45.81 91,616
2017-12-06 Kilmer Henry W (VP of IP Engineering) Sale 3,000 44.54 133,632
2017-12-05 Liebhaber Richard Buy 700 45.30 31,709
2017-12-01 Bubeck James (Chief Revenue Officer) Sale 250 46.66 11,663
2017-12-01 Beury Robert N Jr (VP & Chief Legal Officer) Sale 3,000 46.51 139,533
2017-10-02 Oneill Timothy G (VP Field Engineering) Sale 2,000 48.75 97,500
2017-09-14 Weingarten Tim Sale 1,616 45.97 74,287
2017-09-14 Kummer Raymond B (CTO; VP Optical Transport) Sale 3,000 46.75 140,250
2017-09-13 Kummer Raymond B (CTO; VP Optical Transport) Sale 1,000 46.24 46,242
2017-09-05 Kilmer Henry W (VP of IP Engineering) Sale 3,000 46.45 139,350
2017-09-01 Weingarten Tim Sale 1,100 46.69 51,359
2017-09-01 Kummer Raymond B (CTO; VP Optical Transport) Sale 3,000 46.86 140,577
2017-09-01 Beury Robert N Jr (VP & Chief Legal Officer) Sale 3,000 46.75 140,262
2017-09-01 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 3,000 47.03 141,093
2017-09-01 Oneill Timothy G (VP Field Engineering) Sale 1,000 46.60 46,600
2017-08-31 Kummer Raymond B (CTO; VP Optical Transport) Sale 1,800 45.78 82,400
2017-08-30 Kummer Raymond B (CTO; VP Optical Transport) Sale 200 45.77 9,155
2017-08-11 Bubeck James (Chief Revenue Officer) Sale 500 43.56 21,781
2017-08-07 Brooks Steven D Sale 10,000 43.25 432,500
2017-08-07 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 2,250 43.51 97,897
2017-08-01 Oneill Timothy G (VP Field Engineering) Sale 1,000 41.95 41,950
2017-07-05 Oneill Timothy G (VP Field Engineering) Sale 1,000 40.25 40,250
2017-06-16 Weingarten Tim Sale 2,383 40.15 95,677
2017-06-15 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 2,250 40.76 91,707
2017-06-05 Kilmer Henry W (VP of IP Engineering) Sale 3,000 40.80 122,399
2017-06-02 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 2,250 41.20 92,702
2017-06-01 Bubeck James (Chief Revenue Officer) Sale 300 39.88 11,962
2017-06-01 Beury Robert N Jr (VP & Chief Legal Officer) Sale 3,000 40.20 120,606
2017-06-01 Oneill Timothy G (VP Field Engineering) Sale 1,000 39.50 39,500
2017-05-01 Oneill Timothy G (VP Field Engineering) Sale 1,000 45.05 45,050
2017-04-25 Kummer Raymond B (CTO; VP Optical Transport) Sale 2,679 44.85 120,158
2017-04-24 Kummer Raymond B (CTO; VP Optical Transport) Sale 321 44.75 14,365
2017-04-07 Kummer Raymond B (CTO; VP Optical Transport) Sale 2,000 43.77 87,536
2017-04-03 Oneill Timothy G (VP Field Engineering) Sale 1,000 43.00 43,000
2017-03-24 Kummer Raymond B (CTO; VP Optical Transport) Sale 2,000 42.79 85,580
2017-03-17 Bubeck James (Chief Revenue Officer) Sale 100 41.88 4,187
2017-03-16 Brooks Steven D Sale 3,000 41.77 125,316
2017-03-15 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 2,250 41.17 92,625
2017-03-14 Weingarten Tim Sale 2,369 40.51 95,968
2017-03-03 Kilmer Henry W (VP of IP Engineering) Sale 3,000 40.95 122,850
2017-03-01 Bubeck James (Chief Revenue Officer) Sale 300 41.62 12,487
2017-03-01 Beury Robert N Jr (VP & Chief Legal Officer) Sale 3,000 42.00 125,991
2017-03-01 Oneill Timothy G (VP Field Engineering) Sale 1,000 41.70 41,700
2017-02-27 Weingarten Tim Sale 2,450 42.40 103,880
2017-02-27 Liebhaber Richard Sale 5,000 42.38 211,905
2017-01-04 Kummer Raymond B (CTO; VP Optical Transport) Sale 1,000 42.53 42,526
2017-01-04 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 5,000 42.50 212,500
2017-01-03 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 20,000 41.52 830,320
2016-12-13 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 2,000 40.67 81,350
2016-12-07 Weed Thaddeus Gerard (VP, CFO & Treasurer) Sale 5,000 37.91 189,530
2016-12-01 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 36.99 36,990
2016-12-01 Oneill Timothy G (VP Field Engineering) Sale 1,000 37.50 37,500
2016-11-09 Bubeck James (Chief Revenue Officer) Sale 800 39.76 31,808
2016-11-03 Kilmer Henry W (VP of IP Engineering) Sale 1,000 35.00 35,000
2016-11-01 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 36.40 36,400
2016-11-01 Oneill Timothy G (VP Field Engineering) Sale 1,000 36.80 36,800
2016-10-05 Kilmer Henry W (VP of IP Engineering) Sale 1,000 35.17 35,170
2016-10-03 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 36.24 36,236
2016-10-03 Oneill Timothy G (VP Field Engineering) Sale 1,000 36.78 36,780
2016-09-16 Weingarten Tim Sale 2,822 35.57 100,378
2016-09-06 Kilmer Henry W (VP of IP Engineering) Sale 1,000 36.17 36,170
2016-09-01 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 35.40 35,404
2016-09-01 Oneill Timothy G (VP Field Engineering) Sale 1,000 35.52 35,520
2016-08-25 Bubeck James (Chief Revenue Officer) Sale 233 36.26 8,447
2016-08-03 Kilmer Henry W (VP of IP Engineering) Sale 1,000 42.15 42,150
2016-08-01 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 43.27 43,267
2016-08-01 Oneill Timothy G (VP Field Engineering) Sale 1,000 42.64 42,640
2016-07-08 Kummer Raymond B (CTO; VP Optical Transport) Sale 1,000 41.53 41,530
2016-07-05 Kilmer Henry W (VP of IP Engineering) Sale 1,000 40.30 40,300
2016-07-01 Beury Robert N Jr (VP & Chief Legal Officer) Sale 1,000 40.09 40,089
2016-07-01 Oneill Timothy G (VP Field Engineering) Sale 1,000 39.98 39,980
2016-06-08 Kummer Raymond B (CTO; VP Optical Transport) Sale 1,000 40.93 40,929
2016-06-03 Kilmer Henry W (VP of IP Engineering) Sale 1,000 39.90 39,900

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 Holdings, Inc. (symbol CCOI, CIK number 1158324) see the Securities and Exchange Commission (SEC) website.




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