Insider Trading activities of Nighthawk Radiology Holdings Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Nighthawk Radiology Holdings Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Nighthawk Radiology Holdings Inc since year 2005. Table 2 shows the detailed insider transactions of Nighthawk Radiology Holdings Inc since 2005. The reporting company's ticker symbol is NHWK. The reporting company's CIK number is 1292470.
The total value of stock buying since 2005 is $166,520.
The total value of stock sales since 2005 is $349,403,086.
The total value of stock option exercises since 2005 is $0.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Nighthawk Radiology Holdings Inc (NHWK).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2009-05 2,000 $7,170 0 $0 0 $0
2009-02 20,000 $54,000 0 $0 0 $0
2008-11 0 $0 0 $0 156,241 $0
2007-11 0 $0 208,300 $4,340,793 0 $0
2007-10 0 $0 214,463 $5,175,455 0 $0
2007-09 0 $0 180,536 $4,127,025 0 $0
2007-08 2,000 $40,200 155,500 $3,292,809 0 $0
2007-07 0 $0 155,500 $3,037,202 0 $0
2007-06 0 $0 155,500 $2,759,671 10,061 $0
2007-05 0 $0 170,254 $3,108,948 0 $0
2007-04 0 $0 185,008 $3,634,310 0 $0
2007-03 0 $0 185,008 $3,448,155 0 $0
2007-02 0 $0 222,988 $5,345,528 0 $0
2007-01 0 $0 58,316 $1,487,543 0 $0
2006-10 0 $0 13,943,257 $256,158,507 0 $0
2006-09 0 $0 275,249 $4,729,478 0 $0
2006-08 4,000 $65,150 124,048 $2,045,242 0 $0
2006-02 0 $0 2,919,228 $46,707,648 0 $0
2005-09 0 $0 297 $4,772 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Nighthawk Radiology Holdings Inc insiders (NHWK)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2009-05-04 Bland Charles R (Director) Buy 2,000 3.58 7,170
2009-02-27 Engert David Michael (Chief Executive Officer) Buy 20,000 2.70 54,000
2008-11-17 Berger Jon D (Other) Option Ex 25,435 .00 0
2008-11-17 Berger Paul E (Director) Option Ex 87,204 .00 0
2007-11-27 Berger Paul E (Chief Executive Officer) Sale 18,000 19.16 344,790
2007-11-26 Berger Paul E (Chief Executive Officer) Sale 27,000 19.48 526,014
2007-11-23 Berger Paul E (Chief Executive Officer) Sale 15,000 19.46 291,825
2007-11-15 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 19.64 348,663
2007-11-08 Berger Paul E (Chief Executive Officer) Sale 60,000 21.22 1,284,600
2007-11-01 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 23.17 411,285
2007-10-22 Berger Paul E (Chief Executive Officer) Sale 60,000 23.55 1,413,000
2007-10-15 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 25.20 447,264
2007-10-09 Berger Paul E (Chief Executive Officer) Sale 30,000 24.50 736,452
2007-10-08 Berger Paul E (Chief Executive Officer) Sale 30,000 24.16 724,920
2007-10-01 Berger Jon D (Vice President, Sales & Mark.) Sale 35,500 23.98 851,290
2007-09-25 Berger Paul E (Chief Executive Officer) Sale 30,000 23.28 700,411
2007-09-24 Berger Paul E (Chief Executive Officer) Sale 30,000 23.31 699,180
2007-09-18 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 23.43 415,864
2007-09-11 Berger Paul E (Chief Executive Officer) Sale 30,000 22.16 664,920
2007-09-10 Berger Paul E (Chief Executive Officer) Sale 30,000 22.07 661,980
2007-09-04 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 22.50 399,304
2007-08-23 Berger Paul E (Chief Executive Officer) Sale 30,000 20.61 618,390
2007-08-22 Berger Paul E (Chief Executive Officer) Sale 30,000 20.58 617,400
2007-08-15 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 20.02 355,337
2007-08-08 Berger Paul E (Chief Executive Officer) Sale 60,000 22.42 1,345,440
2007-08-01 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 20.07 356,242
2007-08-01 Bland Charles R (Director) Buy 2,000 20.10 40,200
2007-07-23 Berger Paul E (Chief Executive Officer) Sale 60,000 21.31 1,278,480
2007-07-16 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 18.48 328,037
2007-07-09 Berger Paul E (Chief Executive Officer) Sale 60,000 18.51 1,110,600
2007-07-02 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 18.03 320,085
2007-06-23 Ludy Ernest G (Director) Option Ex 10,061 .00 0
2007-06-22 Berger Paul E (Chief Executive Officer) Sale 60,000 17.78 1,066,920
2007-06-15 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 17.38 308,424
2007-06-11 Berger Paul E (Chief Executive Officer) Sale 18,000 17.66 317,844
2007-06-08 Berger Paul E (Chief Executive Officer) Sale 42,000 17.77 746,256
2007-06-01 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 18.04 320,227
2007-05-22 Berger Paul E (Chief Executive Officer) Sale 60,000 18.92 1,135,500
2007-05-15 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 17.38 308,477
2007-05-08 Berger Paul E (Chief Executive Officer) Sale 60,000 17.60 1,056,300
2007-05-07 Huber Christopher R (Chief Financial Officer) Sale 14,754 18.05 266,309
2007-05-01 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 19.29 342,362
2007-04-24 Berger Paul E (Chief Executive Officer) Sale 21,325 19.93 425,049
2007-04-23 Berger Paul E (Chief Executive Officer) Sale 38,675 20.04 775,201
2007-04-23 Huber Christopher R (Chief Financial Officer) Sale 14,754 20.04 295,640
2007-04-16 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 20.72 367,815
2007-04-09 Berger Paul E (Chief Executive Officer) Sale 60,000 19.37 1,161,960
2007-04-09 Huber Christopher R (Chief Financial Officer) Sale 14,754 19.45 286,980
2007-04-02 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 18.12 321,665
2007-03-26 Huber Christopher R (Chief Financial Officer) Sale 14,754 17.97 265,158
2007-03-23 Berger Paul E (Chief Executive Officer) Sale 42,822 17.56 751,954
2007-03-22 Berger Paul E (Chief Executive Officer) Sale 17,178 17.94 308,173
2007-03-15 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 18.20 323,032
2007-03-12 Huber Christopher R (Chief Financial Officer) Sale 14,754 18.90 278,865
2007-03-08 Berger Paul E (Chief Executive Officer) Sale 60,000 19.38 1,162,920
2007-03-01 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 20.17 358,053
2007-02-26 Huber Christopher R (Chief Financial Officer) Sale 14,754 21.21 312,947
2007-02-23 Berger Paul E (Chief Executive Officer) Sale 10,408 20.92 217,735
2007-02-22 Berger Paul E (Chief Executive Officer) Sale 49,592 21.27 1,054,722
2007-02-15 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 24.63 437,147
2007-02-12 Huber Christopher R (Chief Financial Officer) Sale 14,754 24.23 357,445
2007-02-09 Berger Paul E (Chief Executive Officer) Sale 12,500 25.04 314,844
2007-02-08 Berger Paul E (Chief Executive Officer) Sale 47,400 25.67 1,217,861
2007-02-01 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 25.68 455,731
2007-01-29 Huber Christopher R (Chief Financial Officer) Sale 29,508 25.44 752,628
2006-10-31 Berger Jon D (Vice President, Sales & Mark.) Sale 456,250 17.57 8,016,312
2006-10-31 Berger Paul E (Chief Executive Officer) Sale 912,500 17.57 16,032,625
2006-10-31 Huber Christopher R (Chief Financial Officer) Sale 456,250 17.57 8,016,312
2006-10-31 Chung Peter Y Sale 4,500,000 18.50 83,250,000
2006-10-31 Summit Ventures Vi-a Lp Sale 2,942,265 18.50 54,431,902
2006-10-31 Summit Partners Sd Ii Llc Sale 4,500,000 18.50 83,250,000
2006-10-10 Berger Paul E (Chief Executive Officer) Sale 42,000 17.32 733,227
2006-10-10 Huber Christopher R (Chief Financial Officer) Sale 10,800 17.34 188,930
2006-10-09 Berger Paul E (Chief Executive Officer) Sale 18,000 18.24 329,392
2006-10-09 Huber Christopher R (Chief Financial Officer) Sale 18,046 18.17 329,700
2006-10-02 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 19.17 340,232
2006-09-25 Huber Christopher R (Chief Financial Officer) Sale 28,846 18.79 542,016
2006-09-22 Berger Paul E (Chief Executive Officer) Sale 60,000 18.63 1,117,980
2006-09-15 Berger Jon D (Vice President, Sales & Mark.) Sale 17,453 16.35 287,430
2006-09-14 Berger Paul E (Chief Executive Officer) Sale 11,900 16.21 194,146
2006-09-13 Berger Paul E (Chief Executive Officer) Sale 13,100 16.81 221,633
2006-09-12 Berger Paul E (Chief Executive Officer) Sale 8,000 16.35 130,783
2006-09-11 Berger Paul E (Chief Executive Officer) Sale 18,800 16.41 306,820
2006-09-08 Berger Paul E (Chief Executive Officer) Sale 35,200 16.12 567,248
2006-09-01 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 17.25 306,134
2006-08-25 Berger Paul E (Chief Executive Officer) Sale 18,200 16.57 303,859
2006-08-24 Berger Paul E (Chief Executive Officer) Sale 15,856 16.48 261,354
2006-08-23 Berger Paul E (Chief Executive Officer) Sale 15,794 16.12 255,337
2006-08-22 Berger Paul E (Chief Executive Officer) Sale 10,150 16.57 168,955
2006-08-16 Mayleben Timothy M (Director) Buy 2,000 16.48 32,950
2006-08-15 Berger Jon D (Vice President, Sales & Mark.) Sale 17,750 16.27 289,245
2006-08-15 Mayleben Timothy M (Director) Buy 2,000 16.10 32,200
2006-02-10 Chung Peter Y Sale 600,003 16.00 9,600,048
2006-02-10 Summit Ventures Vi-a Lp Sale 392,304 16.00 6,276,864
2006-02-10 Summit Partners Sd Ii Llc Sale 600,003 16.00 9,600,048
2006-02-08 Chung Peter Y Sale 500,000 16.00 8,000,000
2006-02-08 Summit Ventures Vi-a Lp Sale 326,918 16.00 5,230,688
2006-02-08 Summit Partners Sd Ii Llc Sale 500,000 16.00 8,000,000
2005-09-15 Berger Jon D (Vice President, Sales & Mark.) Sale 297 16.07 4,772

Insider trading activities including stock purchases, stock sales, and option exercises of NHWK listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Nighthawk Radiology Holdings Inc (symbol NHWK, CIK number 1292470) see the Securities and Exchange Commission (SEC) website.