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Insider Trading: ARBINET THEXCHANGE INC

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of ARBINET THEXCHANGE INC since year 2005 are given in the first table. The second table lists detailed insider transactions reported by ARBINET THEXCHANGE INC since 2005. The reporting company's ticker symbol is ARBX. The reporting company's CIK number is 1136655. The total value of stock buying during this period is $4,282,571. The total value of stock sales is $4,583,899. The total value of stock exercises is $73,145.

Illustration of monthly insider trading trend at ARBINET THEXCHANGE INC (ARBX) in the past 2 years. The trade value is in logarithmic scale. The datailed monthly and daily insider transactions are listed in the 2 tables below.

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • $3,035k

    $303k

    $30k

    $3k

  • Buy
  • Sale
  • Option Exercise

Note that the values of insider stock buy, sale, and option exercise in the above chart are plotted in logarithmic scale as shown on the right axis labels.


Monthly summaries of insider stock purchases, sales, and option exercises for ARBINET THEXCHANGE INC (ARBX).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-04 154,200 550,342 0 0 0 0
2008-03 298,900 1,114,353 0 0 0 0
2008-02 88,900 444,233 0 0 0 0
2008-01 328,300 1,852,375 0 0 0 0
2007-12 38,100 227,635 505,984 3,035,904 0 0
2007-11 0 0 4,493 26,958 0 0
2007-10 0 0 33,264 199,876 0 0
2007-09 0 0 13,560 81,360 0 0
2007-07 0 0 151,826 925,141 0 0
2007-06 0 0 49,400 299,450 0 0
2006-10 0 0 0 0 2,500 4,825
2006-06 0 0 3,000 15,210 0 0
2006-05 0 0 0 0 5,055 808
2006-04 0 0 0 0 421,960 67,512
2005-08 15,050 93,633 0 0 0 0

Detailed insider stock purchases, sales, and option exercises for ARBINET THEXCHANGE INC (ARBX)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-04-28 Singer Karen (10% Owner) Purchase 73,300 3.59 263,147
2008-04-14 Singer Karen (10% Owner) Purchase 80,900 3.55 287,195
2008-03-27 Singer Karen (10% Owner) Purchase 125,000 3.60 450,000
2008-03-26 Singer Karen (10% Owner) Purchase 125,000 3.84 480,000
2008-03-17 Singer Karen (10% Owner) Purchase 48,900 3.77 184,353
2008-02-28 Singer Karen (10% Owner) Purchase 88,900 5.00 444,233
2008-01-18 Singer Karen (10% Owner) Purchase 250,000 5.60 1,400,000
2008-01-14 Singer Karen (10% Owner) Purchase 30,000 5.72 171,729
2008-01-10 Singer Karen (10% Owner) Purchase 37,500 5.82 218,126
2008-01-08 Singer Karen (10% Owner) Purchase 9,800 5.78 56,691
2008-01-07 Singer Karen (10% Owner) Purchase 1,000 5.83 5,829
2007-12-31 Singer Karen (10% Owner) Purchase 6,500 5.87 38,155
2007-12-28 Singer Karen (10% Owner) Purchase 600 5.80 3,480
2007-12-20 Singer Karen (10% Owner) Purchase 31,000 6.00 186,000
2007-12-17 Mashinsky Alex (Director) Sale 500,000 6.00 3,000,000
2007-12-13 Mashinsky Alex (Director) Sale 959 6.00 5,754
2007-12-11 Mashinsky Alex (Director) Sale 1,300 6.00 7,800
2007-12-10 Mashinsky Alex (Director) Sale 3,725 6.00 22,350
2007-11-20 Mashinsky Alex (Director) Sale 1,400 6.00 8,400
2007-11-07 Mashinsky Alex (Director) Sale 700 6.00 4,200
2007-11-06 Mashinsky Alex (Director) Sale 2,393 6.00 14,358
2007-10-31 Mashinsky Alex (Director) Sale 900 6.00 5,400
2007-10-23 Mashinsky Alex (Director) Sale 1,699 6.00 10,194
2007-10-22 Mashinsky Alex (Director) Sale 2,200 6.00 13,200
2007-10-12 Mashinsky Alex (Director) Sale 1,600 6.00 9,600
2007-10-11 Mashinsky Alex (Director) Sale 2,710 6.00 16,262
2007-10-10 Mashinsky Alex (Director) Sale 21,815 6.01 131,180
2007-10-01 Mashinsky Alex (Director) Sale 2,340 6.00 14,040
2007-09-28 Mashinsky Alex (Director) Sale 4,760 6.00 28,560
2007-09-25 Mashinsky Alex (Director) Sale 800 6.00 4,800
2007-09-24 Mashinsky Alex (Director) Sale 8,000 6.00 48,000
2007-07-03 Mashinsky Alex (Director) Sale 51,826 6.15 318,911
2007-07-02 Mashinsky Alex (Director) Sale 100,000 6.06 606,230
2007-06-29 Mashinsky Alex (Director) Sale 35,900 6.03 216,624
2007-06-28 Mashinsky Alex (Director) Sale 13,500 6.14 82,826
2006-10-03 Atkinson Robert C (Director) Option Exercise 2,500 1.93 4,825
2006-06-21 Mashinsky Alex (Director) Sale 3,000 5.07 15,210
2006-05-01 Hockemeier J Curt (President and CEO) Option Exercise 5,055 .16 808
2006-04-27 Craig Anthony L (Director) Option Exercise 184,861 .16 29,577
2006-04-26 Hockemeier J Curt (President and CEO) Option Exercise 237,099 .16 37,935
2005-08-18 Craig Anthony L (CEO) Purchase 10,050 6.28 63,083
2005-08-08 Hockemeier J Curt (President and CEO) Purchase 5,000 6.11 30,550

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of ARBINET THEXCHANGE INC (symbol ARBX, CIK number 1136655) see the Securities and Exchange Commission (SEC) website.

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