Insider Trading activities of Grey Wolf Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Grey Wolf Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Grey Wolf Inc since year 2005. Table 2 shows the detailed insider transactions of Grey Wolf Inc since 2005. The reporting company's ticker symbol is GW. The reporting company's CIK number is 320186.
The total value of stock buying since 2005 is $0.
The total value of stock sales since 2005 is $15,149,537.
The total value of stock option exercises since 2005 is $6,243,818.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Grey Wolf Inc (GW).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2008-12 0 $0 0 $0 1,214,918 $4,568,278
2007-06 0 $0 428,460 $3,436,616 217,964 $742,527
2007-05 0 $0 324,173 $2,472,048 270,168 $933,013
2006-12 0 $0 60,000 $426,600 0 $0
2006-05 0 $0 340,566 $2,942,129 0 $0
2006-03 0 $0 170,000 $1,208,360 0 $0
2005-12 0 $0 400,000 $3,192,784 0 $0
2005-09 0 $0 100,000 $800,000 0 $0
2005-06 0 $0 100,000 $671,000 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Grey Wolf Inc insiders (GW)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-12-23 Brown Frank M (Director) Option Ex 100,000 3.38 337,500
2008-12-23 Wehlmann David W (Executive Vice President & CEO) Option Ex 92,964 3.53 328,441
2008-12-23 Richards Thomas P (Chairman, President & CEO) Option Ex 220,000 4.69 1,032,459
2008-12-23 Guedry Donald J Jr (Treasurer) Option Ex 30,308 4.69 142,235
2008-12-23 Jacob Edward S Iii (Senior V.P. - Operations) Option Ex 246,646 4.50 1,110,893
2008-12-23 Rose Robert E (Director) Option Ex 100,000 3.38 337,500
2008-12-23 Donovan William T (Director) Option Ex 250,000 2.83 707,000
2008-12-23 Webster Steven A (Director) Option Ex 175,000 3.27 572,250
2007-06-15 Guedry Donald J Jr (Vice President & Treasurer) Sale 26,000 8.26 214,682
2007-06-15 Guedry Donald J Jr (Vice President & Treasurer) Option Ex 26,000 3.34 86,970
2007-06-04 Proffit Robert J (Vice President - Human Resourc) Sale 10,496 8.07 84,702
2007-06-04 Wehlmann David W (Executive Vice President & CFO) Sale 191,964 7.97 1,530,337
2007-06-04 Wehlmann David W (Executive Vice President & CFO) Option Ex 191,964 3.42 655,557
2007-06-04 Donovan William T (Director) Sale 132,500 8.05 1,066,625
2007-06-01 Donovan William T (Director) Sale 67,500 8.00 540,270
2007-05-21 Guedry Donald J Jr (Vice President & Treasurer) Sale 23,000 7.99 183,770
2007-05-21 Guedry Donald J Jr (Vice President & Treasurer) Option Ex 23,000 2.28 52,439
2007-05-17 Cauley Kent D (Vice President & Controller) Sale 17,168 7.60 130,476
2007-05-17 Cauley Kent D (Vice President & Controller) Option Ex 17,168 4.50 77,324
2007-05-09 Richards Thomas P (Chairman, President & CEO) Sale 60,000 7.57 454,020
2007-05-09 Richards Thomas P (Chairman, President & CEO) Option Ex 60,000 3.91 234,600
2007-05-08 Richards Thomas P (Chairman, President & CEO) Sale 224,005 7.61 1,703,782
2007-05-08 Richards Thomas P (Chairman, President & CEO) Option Ex 170,000 3.34 568,650
2006-12-11 Richards Thomas P (Chairman, President & CEO) Sale 60,000 7.11 426,600
2006-05-11 Wehlmann David W (Executive Vice President & CFO) Sale 191,624 8.70 1,667,128
2006-05-11 Guedry Donald J Jr (Vice President & Treasurer) Sale 10,040 8.76 87,980
2006-05-10 Ziegler William R (Director) Sale 100,000 8.58 858,300
2006-05-04 Jacob Edward S Iii (Senior Vice President - Operat) Sale 38,902 8.45 328,721
2006-03-02 Richards Thomas P (Chairman, President & CEO) Sale 170,000 7.11 1,208,360
2005-12-08 Richards Brothers Interests Lp (Other) Sale 78,000 7.96 620,880
2005-12-08 Ziegler William R (Director) Sale 100,000 8.10 810,300
2005-12-07 Richards Brothers Interests Lp (Other) Sale 22,000 7.98 175,604
2005-12-06 Richards Brothers Interests Lp (Other) Sale 100,000 7.93 793,300
2005-12-05 Richards Brothers Interests Lp (Other) Sale 100,000 7.93 792,700
2005-09-09 Ziegler William R (Director) Sale 100,000 8.00 800,000
2005-06-10 Ziegler William R (Director) Sale 100,000 6.71 671,000

Insider trading activities including stock purchases, stock sales, and option exercises of GW listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Grey Wolf Inc (symbol GW, CIK number 320186) see the Securities and Exchange Commission (SEC) website.