Insider Trading activities of Cogent, Inc. insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Cogent, Inc. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Cogent, Inc. since year 2005. Table 2 shows the detailed insider transactions of Cogent, Inc. since 2005. The reporting company's ticker symbol is COGT. The reporting company's CIK number is 1289434.
The total value of stock buying since 2005 is $0.
The total value of stock sales since 2005 is $352,872,188.
The total value of stock option exercises since 2005 is $892,074.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Cogent, Inc. (COGT).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2010-10 0 $0 31,374,965 $329,437,132 12,000 $0
2009-12 0 $0 22,371 $194,160 2,000 $5,500
2009-11 0 $0 2,166 $18,627 0 $0
2009-09 0 $0 13,660 $142,610 13,660 $49,517
2009-08 0 $0 33,000 $345,103 30,000 $100,000
2008-12 0 $0 125,613 $1,604,672 4,600 $4,600
2008-11 0 $0 113,500 $1,473,412 13,500 $12,886
2008-08 0 $0 280,000 $3,229,280 280,000 $280,000
2008-05 0 $0 249,274 $2,622,333 249,274 $243,574
2008-04 0 $0 38,628 $388,095 38,628 $38,628
2008-02 0 $0 4,000 $40,520 4,000 $3,000
2007-11 0 $0 60,000 $702,020 60,000 $55,000
2007-08 0 $0 51,250 $719,140 51,250 $51,250
2007-05 0 $0 15,000 $214,425 15,000 $15,000
2006-06 0 $0 12,498 $189,644 12,498 $33,119
2005-05 0 $0 250,000 $5,487,304 0 $0
2005-04 0 $0 250,000 $6,063,711 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Cogent, Inc. insiders (COGT)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2010-10-08 Hsieh Ming (Chief Executive Officer) Sale 31,369,965 10.50 329,384,632
2010-10-08 Stenbit John P (Director) Option Ex 4,000 .00 0
2010-10-08 Thornton Kenneth R (Director) Sale 5,000 10.50 52,500
2010-10-08 Thornton Kenneth R (Director) Option Ex 4,000 .00 0
2010-10-08 Bolger John C (Director) Option Ex 4,000 .00 0
2009-12-01 Jasinski James (Executive Vice President) Sale 2,167 8.71 18,874
2009-12-01 Hollowich Michael (Executive Vice President) Sale 4,374 8.70 38,040
2009-12-01 Hollowich Michael (Executive Vice President) Option Ex 2,000 2.75 5,500
2009-12-01 Kim Paul (Chief Financial Officer) Sale 15,830 8.67 137,246
2009-11-27 Jasinski James (Executive Vice President) Sale 2,166 8.60 18,627
2009-09-01 Hollowich Michael (Executive Vice President) Sale 13,660 10.44 142,610
2009-09-01 Hollowich Michael (Executive Vice President) Option Ex 13,660 3.62 49,517
2009-08-28 Jasinski James (Executive Vice President) Sale 20,000 10.28 205,600
2009-08-28 Jasinski James (Executive Vice President) Option Ex 20,000 4.50 90,000
2009-08-24 Bolger John C (Director) Sale 13,000 10.73 139,503
2009-08-24 Bolger John C (Director) Option Ex 10,000 1.00 10,000
2008-12-01 Jasinski James (Executive Vice President) Sale 2,542 13.16 33,452
2008-12-01 Hsieh Ming (Chief Executive Officer) Sale 100,000 12.74 1,273,500
2008-12-01 Hollowich Michael (Executive Vice President) Sale 7,009 12.64 88,593
2008-12-01 Hollowich Michael (Executive Vice President) Option Ex 4,600 1.00 4,600
2008-12-01 Kim Paul (Chief Financial Officer) Sale 16,062 13.02 209,127
2008-11-28 Hsieh Ming (Chief Executive Officer) Sale 100,000 13.07 1,306,800
2008-11-28 Hollowich Michael (Executive Vice President) Sale 3,500 13.43 47,005
2008-11-28 Hollowich Michael (Executive Vice President) Option Ex 3,500 1.00 3,500
2008-11-25 Hollowich Michael (Executive Vice President) Sale 5,092 12.00 61,104
2008-11-25 Hollowich Michael (Executive Vice President) Option Ex 5,092 1.00 5,092
2008-11-24 Hollowich Michael (Executive Vice President) Sale 4,908 11.92 58,503
2008-11-24 Hollowich Michael (Executive Vice President) Option Ex 4,908 .88 4,294
2008-08-14 Kim Paul (Chief Financial Officer) Sale 120,000 11.61 1,392,960
2008-08-14 Kim Paul (Chief Financial Officer) Option Ex 120,000 1.00 120,000
2008-08-13 Kim Paul (Chief Financial Officer) Sale 160,000 11.48 1,836,320
2008-08-13 Kim Paul (Chief Financial Officer) Option Ex 160,000 1.00 160,000
2008-05-30 Hollowich Michael (Executive Vice President) Sale 14,800 12.03 178,014
2008-05-30 Hollowich Michael (Executive Vice President) Option Ex 14,800 .75 11,100
2008-05-29 Hollowich Michael (Executive Vice President) Sale 8,000 12.04 96,360
2008-05-29 Hollowich Michael (Executive Vice President) Option Ex 8,000 .75 6,000
2008-05-12 Kim Paul (Chief Financial Officer) Sale 117,089 10.24 1,214,818
2008-05-12 Kim Paul (Chief Financial Officer) Option Ex 117,089 1.00 117,089
2008-04-02 Kim Paul (Chief Financial Officer) Sale 25,752 10.05 258,730
2008-04-02 Kim Paul (Chief Financial Officer) Option Ex 25,752 1.00 25,752
2008-02-29 Hollowich Michael (Executive Vice President) Sale 4,000 10.13 40,520
2008-02-29 Hollowich Michael (Executive Vice President) Option Ex 4,000 .75 3,000
2007-11-30 Hollowich Michael (Executive Vice President) Sale 20,000 11.14 222,900
2007-11-30 Hollowich Michael (Executive Vice President) Option Ex 20,000 .75 15,000
2007-11-15 Kim Paul (Chief Financial Officer) Sale 40,000 11.98 479,120
2007-11-15 Kim Paul (Chief Financial Officer) Option Ex 40,000 1.00 40,000
2007-08-15 Kim Paul (Chief Financial Officer) Sale 51,250 14.03 719,140
2007-08-15 Kim Paul (Chief Financial Officer) Option Ex 51,250 1.00 51,250
2007-05-07 Bolger John C (Director) Sale 15,000 14.30 214,425
2007-05-07 Bolger John C (Director) Option Ex 15,000 1.00 15,000
2006-06-01 Hollowich Michael (Executive Vice President) Sale 12,498 15.17 189,644
2006-06-01 Hollowich Michael (Executive Vice President) Option Ex 12,498 2.65 33,119
2005-05-06 Hsieh Ming (Chief Executive Officer) Sale 79,200 21.78 1,724,580
2005-05-04 Hsieh Ming (Chief Executive Officer) Sale 170,800 22.03 3,762,724
2005-04-07 Hsieh Ming (Chief Executive Officer) Sale 130,638 23.86 3,117,022
2005-04-05 Hsieh Ming (Chief Executive Officer) Sale 119,362 24.69 2,946,689

Insider trading activities including stock purchases, stock sales, and option exercises of COGT listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Cogent, Inc. (symbol COGT, CIK number 1289434) see the Securities and Exchange Commission (SEC) website.