Insider Trading activities of Co Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Co Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Co Inc since year 2005. Table 2 shows the detailed insider transactions of Co Inc since 2005. The reporting company's ticker symbol is GHL. The reporting company's CIK number is 1282977.
The total value of stock buying since 2005 is $5,272,700.
The total value of stock sales since 2005 is $738,999,869.
The total value of stock option exercises since 2005 is $0.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Co Inc (GHL).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-02 0 $0 52,952 $1,560,177 0 $0
2017-01 0 $0 0 $0 246,084 $0
2016-07 0 $0 0 $0 2,030 $0
2016-02 0 $0 0 $0 161,946 $0
2015-10 202,510 $5,039,866 0 $0 0 $0
2015-07 0 $0 0 $0 2,030 $0
2015-02 1,000 $39,055 0 $0 164,528 $0
2014-01 0 $0 0 $0 128,957 $0
2013-10 0 $0 0 $0 7,357 $0
2013-01 0 $0 0 $0 29,621 $0
2012-02 0 $0 0 $0 63,927 $0
2011-11 5,150 $193,779 0 $0 0 $0
2011-02 0 $0 0 $0 181,867 $0
2010-05 0 $0 1,750,991 $147,871,186 0 $0
2010-04 0 $0 0 $0 34,568 $0
2010-02 0 $0 0 $0 268,064 $0
2009-11 0 $0 1,593,418 $131,514,345 0 $0
2009-08 0 $0 1,956,496 $148,693,696 0 $0
2009-04 0 $0 0 $0 10,040 $0
2009-02 0 $0 0 $0 87,015 $0
2008-11 0 $0 1,760,031 $98,561,736 0 $0
2008-05 0 $0 0 $0 10,038 $0
2008-02 0 $0 0 $0 62,171 $0
2007-05 0 $0 0 $0 9,143 $0
2007-02 0 $0 0 $0 24,103 $0
2006-05 0 $0 1,813,629 $128,767,659 9,143 $0
2006-02 0 $0 0 $0 1,699 $0
2005-05 0 $0 2,526,365 $82,031,070 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Co Inc insiders (GHL)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-02-01 Wyles David (President) Sale 52,952 29.46 1,560,177
2017-01-30 Costantino Kevin M (President) Option Ex 21,074 .00 0
2017-01-30 Wyles David (President) Option Ex 55,388 .00 0
2017-01-30 Rodriguez Harold J Jr (Chief Financial Officer) Option Ex 27,845 .00 0
2017-01-30 Bok Scott L (Chief Executive Officer) Option Ex 60,725 .00 0
2017-01-30 Greenhill Robert F (Director) Option Ex 81,052 .00 0
2016-07-28 Moran Patricia (Chief Legal Officer) Option Ex 2,030 .00 0
2016-02-01 Costantino Kevin M (President) Option Ex 8,533 .00 0
2016-02-01 Moran Patricia (Chief Legal Officer) Option Ex 2,580 .00 0
2016-02-01 Grubb Christopher Thomas (Chief Financial Officer) Option Ex 7,769 .00 0
2016-02-01 Wyles David (President) Option Ex 44,531 .00 0
2016-02-01 Rodriguez Harold J Jr (Chief Operating Officer) Option Ex 11,904 .00 0
2016-02-01 Bok Scott L (Chief Executive Officer) Option Ex 41,698 .00 0
2016-02-01 Greenhill Robert F (Director) Option Ex 44,931 .00 0
2015-10-27 Bok Scott L (Chief Executive Officer) Buy 202,510 24.89 5,039,866
2015-07-27 Moran Patricia (Chief Legal Officer) Option Ex 2,030 .00 0
2015-02-20 Robards Karen P (Director) Buy 1,000 39.05 39,055
2015-02-03 Grubb Christopher Thomas (Chief Financial Officer) Option Ex 4,760 .00 0
2015-02-03 Rodriguez Harold J Jr (Chief Operating Officer) Option Ex 1,998 .00 0
2015-02-03 Bok Scott L (Chief Executive Officer) Option Ex 73,958 .00 0
2015-02-03 Greenhill Robert F (Director) Option Ex 83,812 .00 0
2014-01-31 Solotar Gavin Dean (General Counsel) Option Ex 1,826 .00 0
2014-01-31 Grubb Christopher Thomas (Chief Financial Officer) Option Ex 2,737 .00 0
2014-01-31 Rodriguez Harold J Jr (Chief Operating Officer) Option Ex 3,778 .00 0
2014-01-31 Bok Scott L (Chief Executive Officer) Option Ex 30,679 .00 0
2014-01-31 Greenhill Robert F (Director) Option Ex 89,937 .00 0
2013-10-21 Solotar Gavin Dean (General Counsel) Option Ex 7,357 .00 0
2013-01-29 Grubb Christopher Thomas (Chief Financial Officer) Option Ex 2,161 .00 0
2013-01-29 Rodriguez Harold J Jr (Chief Operating Officer) Option Ex 4,650 .00 0
2013-01-29 Bok Scott L (Chief Executive Officer) Option Ex 12,965 .00 0
2013-01-29 Greenhill Robert F (Director) Option Ex 9,845 .00 0
2012-02-01 Lieb Richard J (Chief Financial Officer) Option Ex 8,972 .00 0
2012-02-01 Ekman Ulrika (General Counsel) Option Ex 5,266 .00 0
2012-02-01 Rodriguez Harold J Jr (Chief Operating Officer) Option Ex 5,255 .00 0
2012-02-01 Bok Scott L (Chief Executive Officer) Option Ex 23,777 .00 0
2012-02-01 Greenhill Robert F (Director) Option Ex 20,657 .00 0
2011-11-17 Danforth John C (Director) Buy 5,150 37.63 193,779
2011-02-01 Cassin Brian J. (Managing Director) Option Ex 10,845 .00 0
2011-02-01 Buckalew Jeffrey F (Managing Director) Option Ex 14,740 .00 0
2011-02-01 Wyles David (Managing Director) Option Ex 14,507 .00 0
2011-02-01 Roy Colin T (Managing Director) Option Ex 23,773 .00 0
2011-02-01 Lieb Richard J (Chief Financial Officer) Option Ex 16,096 .00 0
2011-02-01 Ekman Ulrika (General Counsel) Option Ex 6,113 .00 0
2011-02-01 Rodriguez Harold J Jr (Chief Administrative Officer) Option Ex 6,257 .00 0
2011-02-01 Bok Scott L (Chief Executive Officer) Option Ex 41,334 .00 0
2011-02-01 Greenhill Robert F (Director) Option Ex 48,202 .00 0
2010-05-06 Cassin Brian J. (Managing Director) Sale 44,720 84.45 3,776,604
2010-05-06 Buckalew Jeffrey F (Managing Director) Sale 35,147 84.45 2,968,164
2010-05-06 Wyles David (Managing Director) Sale 45,264 84.45 3,822,544
2010-05-06 Roy Colin T (Managing Director) Sale 126,215 84.45 10,658,856
2010-05-06 Lieb Richard J (Chief Financial Officer) Sale 14,730 84.45 1,243,948
2010-05-06 Ekman Ulrika (General Counsel) Sale 7,003 84.45 591,403
2010-05-06 Borrows Simon A (Managing Director) Sale 295,386 84.45 24,945,347
2010-05-06 Rodriguez Harold J Jr (Chief Administrative Officer) Sale 10,000 84.45 844,500
2010-05-06 Bok Scott L (Chief Executive Officer) Sale 286,757 84.45 24,216,628
2010-05-06 Greenhill Robert F (Director) Sale 885,769 84.45 74,803,192
2010-04-26 Lieb Richard J (Chief Financial Officer) Option Ex 34,568 .00 0
2010-02-02 Lieb Richard J (Chief Financial Officer) Option Ex 9,261 .00 0
2010-02-02 Ekman Ulrika (General Counsel) Option Ex 5,904 .00 0
2010-02-02 Borrows Simon A (Co-Chief Executive Officer) Option Ex 83,227 .00 0
2010-02-02 Rodriguez Harold J Jr (Chief Administrative Officer) Option Ex 3,542 .00 0
2010-02-02 Bok Scott L (Co-Chief Executive Officer) Option Ex 62,851 .00 0
2010-02-02 Greenhill Robert F (Director) Option Ex 75,954 .00 0
2010-02-02 Niehaus Robert H (Chairman, GCP) Option Ex 27,325 .00 0
2009-11-23 Lieb Richard J (Chief Financial Officer) Sale 5,302 82.54 437,605
2009-11-23 Ekman Ulrika (General Counsel) Sale 5,451 82.54 449,903
2009-11-23 Borrows Simon A (Co-Chief Executive Officer) Sale 267,056 82.54 22,041,734
2009-11-23 Rodriguez Harold J Jr (Chief Administrative Officer) Sale 10,000 82.54 825,360
2009-11-23 Bok Scott L (Co-Chief Executive Officer) Sale 265,514 82.54 21,914,463
2009-11-23 Greenhill Robert F (Director) Sale 842,483 82.54 69,535,176
2009-11-23 Niehaus Robert H (Chairman, GCP L.P.) Sale 197,612 82.54 16,310,104
2009-08-04 Lieb Richard J (Chief Financial Officer) Sale 6,517 76.00 495,292
2009-08-04 Ekman Ulrika (General Counsel) Sale 6,700 76.00 509,200
2009-08-04 Borrows Simon A (Co-Chief Executive Officer) Sale 328,292 76.00 24,950,192
2009-08-04 Rodriguez Harold J Jr (Chief Administrative Officer) Sale 10,000 76.00 760,000
2009-08-04 Bok Scott L (Co-Chief Executive Officer) Sale 326,396 76.00 24,806,096
2009-08-04 Greenhill Robert F (Director) Sale 1,035,667 76.00 78,710,692
2009-08-04 Niehaus Robert H (Chm., Greenhill C P, L.P.) Sale 242,924 76.00 18,462,224
2009-04-27 Lieb Richard J (Chief Financial Officer) Option Ex 9,877 .00 0
2009-04-27 Ganz Jodi B. (General Counsel) Option Ex 163 .00 0
2009-02-02 Lieb Richard J (Chief Financial Officer) Option Ex 6,712 .00 0
2009-02-02 Borrows Simon A (Co-Chief Executive Officer) Option Ex 29,888 .00 0
2009-02-02 Rodriguez Harold J Jr (Chief Administrative Officer) Option Ex 1,763 .00 0
2009-02-02 Bok Scott L (Co-Chief Executive Officer) Option Ex 21,659 .00 0
2009-02-02 Greenhill Robert F (Director) Option Ex 21,392 .00 0
2009-02-02 Niehaus Robert H (Chm., Greenhill C P, L.P.) Option Ex 5,601 .00 0
2008-11-13 Lieb Richard J (Chief Financial Officer) Sale 3,619 56.00 202,664
2008-11-13 Borrows Simon A (Co-Chief Executive Officer) Sale 294,148 56.00 16,472,288
2008-11-13 Rodriguez Harold J Jr (Chief Compliance Officer) Sale 10,000 56.00 560,000
2008-11-13 Bok Scott L (Co-Chief Executive Officer) Sale 294,557 56.00 16,495,192
2008-11-13 Greenhill Robert F (Director) Sale 937,799 56.00 52,516,744
2008-11-13 Niehaus Robert H (Chm., Greenhill C P, L.P.) Sale 219,908 56.00 12,314,848
2008-05-06 Lieb Richard J (Chief Financial Officer) Option Ex 9,876 .00 0
2008-05-06 Ganz Jodi B. (Acting General Counsel) Option Ex 162 .00 0
2008-02-04 Ekman Ulrika (General Counsel) Option Ex 792 .00 0
2008-02-04 Borrows Simon A (Co-Chief Executive Officer) Option Ex 18,492 .00 0
2008-02-04 Liu John D (Chief Executive Officer) Option Ex 3,136 .00 0
2008-02-04 Rodriguez Harold J Jr (Mg. Dir-Fin, Regn. & Ops.) Option Ex 891 .00 0
2008-02-04 Bok Scott L (Co-Chief Executive Officer) Option Ex 15,827 .00 0
2008-02-04 Greenhill Robert F (Director) Option Ex 18,680 .00 0
2008-02-04 Niehaus Robert H (Chmn, Greenhill Cap Ptners LP) Option Ex 4,353 .00 0
2007-05-09 Ekman Ulrika (General Counsel) Option Ex 9,143 .00 0
2007-02-05 Ekman Ulrika (General Counsel) Option Ex 242 .00 0
2007-02-05 Borrows Simon A (Non-U.S. President) Option Ex 7,712 .00 0
2007-02-05 Liu John D (Chief Financial Officer) Option Ex 1,159 .00 0
2007-02-05 Rodriguez Harold J Jr (Mg. Dir-Fin, regn. & Ops) Option Ex 287 .00 0
2007-02-05 Bok Scott L (U.S. President) Option Ex 5,016 .00 0
2007-02-05 Greenhill Robert F (Chrm&CEO, Greenhill Fam LP 10%) Option Ex 7,870 .00 0
2007-02-05 Niehaus Robert H (Chrmn, Greenhill Cap Ptners LP) Option Ex 1,817 .00 0
2006-05-18 Liu John D (Chief Financial Officer) Sale 3,973 71.00 282,083
2006-05-18 Rodriguez Harold J Jr (Mg. Dir-Fin, Regn. & Ops.) Sale 2,925 71.00 207,675
2006-05-18 Niehaus Robert H (Chrmn, Greenhill Cap Ptners LP) Sale 37,305 71.00 2,648,655
2006-05-12 Borrows Simon A (Non-U.S. President) Sale 290,066 71.00 20,594,686
2006-05-12 Liu John D (Chief Financial Officer) Sale 23,217 71.00 1,648,407
2006-05-12 Rodriguez Harold J Jr (Mg. Dir-Fin, Regn. & Ops.) Sale 17,094 71.00 1,213,674
2006-05-12 Bok Scott L (U.S. President) Sale 290,023 71.00 20,591,633
2006-05-12 Greenhill Robert F (Chrm&CEO, Greenhill Fam LP 10%) Sale 930,996 71.00 66,100,716
2006-05-12 Niehaus Robert H (Chrmn, Greenhill Cap Ptners LP) Sale 218,030 71.00 15,480,130
2006-05-08 Ekman Ulrika (General Counsel) Option Ex 9,143 .00 0
2006-02-07 Danforth John C (Director) Option Ex 1,699 .00 0
2005-05-09 Borrows Simon A (Non-U.S. President) Sale 326,067 32.47 10,587,395
2005-05-09 Liu John D (Chief Financial Officer) Sale 26,098 32.47 847,402
2005-05-09 Rodriguez Harold J Jr (Ops.) Sale 10,000 32.47 324,700
2005-05-09 Bok Scott L (U.S. President) Sale 326,018 32.47 10,585,804
2005-05-09 Greenhill Robert F (Chairman and CEO) Sale 1,593,092 32.47 51,727,697
2005-05-09 Niehaus Robert H (Chrmn, Greenhill Cap) Sale 245,090 32.47 7,958,072

Insider trading activities including stock purchases, stock sales, and option exercises of GHL listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Co Inc (symbol GHL, CIK number 1282977) see the Securities and Exchange Commission (SEC) website.