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Overview of all insider trading transactions in ARBINET Corp. Get notifications about new insider transactions in ARBINET Corp for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Jun 23 2008	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	3.72	75,000	279,000	4,024,674	3.9 M to 4 M (+1.90 %)
Jun 23 2008	ARBX	ARBINET Corp	Penney John B	Director	Option Exercise	A	3.69	7,000	25,830	7,000
Jun 23 2008	ARBX	ARBINET Corp	Penney John B	Director	Grant	A	0.00	7,000	0	15,000	8 K to 15 K (+87.50 %)
Jun 23 2008	ARBX	ARBINET Corp	Thoerle Jill	Director	Option Exercise	A	3.69	7,000	25,830	7,000
Jun 23 2008	ARBX	ARBINET Corp	Thoerle Jill	Director	Grant	A	0.00	7,000	0	18,800	11.8 K to 18.8 K (+59.32 %)
Jun 23 2008	ARBX	ARBINET Corp	KREITMAN STANLEY	Director	Option Exercise	A	3.69	7,000	25,830	7,000
Jun 23 2008	ARBX	ARBINET Corp	KREITMAN STANLEY	Director	Grant	A	0.00	7,000	0	16,000	9 K to 16 K (+77.78 %)
Jun 23 2008	ARBX	ARBINET Corp	ODonnell Shawn Francis	Director	Option Exercise	A	3.69	7,000	25,830	7,000
Jun 23 2008	ARBX	ARBINET Corp	ODonnell Shawn Francis	Director	Grant	A	0.00	7,000	0	14,000	7 K to 14 K (+100.00 %)
Jun 23 2008	ARBX	ARBINET Corp	RUANE MICHAEL J	Director	Option Exercise	A	3.69	7,000	25,830	7,000
Jun 23 2008	ARBX	ARBINET Corp	RUANE MICHAEL J	Director	Grant	A	0.00	7,000	0	36,625	29.6 K to 36.6 K (+23.63 %)
Jun 23 2008	ARBX	ARBINET Corp	DONAHUE MICHAEL J	Director	Option Exercise	A	3.69	7,000	25,830	7,000
Jun 23 2008	ARBX	ARBINET Corp	DONAHUE MICHAEL J	Director	Grant	A	0.00	7,000	0	21,000	14 K to 21 K (+50.00 %)
Jun 20 2008	ARBX	ARBINET Corp	Mashinsky Alex	Director	Option Exercise	A	3.69	7,000	25,830	7,000
Jun 20 2008	ARBX	ARBINET Corp	Mashinsky Alex	Director	Grant	A	3.69	7,000	25,830	901,882	894.9 K to 901.9 K (+0.78 %)
Jun 10 2008	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	3.80	100,000	380,000	3,949,674	3.8 M to 3.9 M (+2.60 %)
Jun 03 2008	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	3.35	250,000	837,500	3,849,674	3.6 M to 3.8 M (+6.95 %)
Apr 29 2008	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	3.59	73,300	263,147	3,599,674	3.5 M to 3.6 M (+2.08 %)
Apr 29 2008	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.00	959	5,754	1,367,562	1.4 M to 1.4 M (-0.07 %)
Apr 29 2008	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.00	1,300	7,800	1,368,521	1.4 M to 1.4 M (-0.09 %)
Apr 29 2008	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.00	3,725	22,350	1,369,821	1.4 M to 1.4 M (-0.27 %)
Apr 15 2008	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	3.55	80,900	287,195	3,526,374	3.4 M to 3.5 M (+2.35 %)
Apr 01 2008	ARBX	ARBINET Corp	Sach Peter P	Chief Operating Off ...	Grant	A	0.00	2,158	0	39,628	37.5 K to 39.6 K (+5.76 %)
Apr 01 2008	ARBX	ARBINET Corp	Wynne John Bernard Jr	Chief Financial Off ...	Grant	A	0.00	1,575	0	23,708	22.1 K to 23.7 K (+7.12 %)
Apr 01 2008	ARBX	ARBINET Corp	WINGFIELD TERRELL W JR	General Counsel and ...	Grant	A	0.00	1,575	0	23,708	22.1 K to 23.7 K (+7.12 %)
Mar 28 2008	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	3.60	125,000	450,000	3,445,474	3.3 M to 3.4 M (+3.76 %)
Mar 27 2008	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	3.84	125,000	480,000	3,320,474	3.2 M to 3.3 M (+3.91 %)
Mar 19 2008	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	4.21	4,214	17,741	32,500	28.3 K to 32.5 K (+14.90 %)
Mar 19 2008	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	4.10	133	545	28,286	28.2 K to 28.3 K (+0.47 %)
Mar 19 2008	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	4.08	100	408	28,153	28.1 K to 28.2 K (+0.36 %)
Mar 19 2008	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	4.05	133	539	28,053	27.9 K to 28.1 K (+0.48 %)
Mar 19 2008	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	4.00	1,100	4,400	27,920	26.8 K to 27.9 K (+4.10 %)
Mar 19 2008	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	3.99	600	2,394	26,820	26.2 K to 26.8 K (+2.29 %)
Mar 19 2008	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	3.98	1,300	5,174	26,220	24.9 K to 26.2 K (+5.22 %)
Mar 19 2008	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	3.96	199	788	24,920	24.7 K to 24.9 K (+0.80 %)
Mar 19 2008	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	3.96	200	792	24,721	24.5 K to 24.7 K (+0.82 %)
Mar 19 2008	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	3.77	71	268	24,521	24.5 K to 24.5 K (+0.29 %)
Mar 19 2008	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	3.74	600	2,244	24,450	23.9 K to 24.5 K (+2.52 %)
Mar 19 2008	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	3.72	200	744	23,850	23.7 K to 23.9 K (+0.85 %)
Mar 19 2008	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	3.71	300	1,113	23,650	23.4 K to 23.7 K (+1.28 %)
Mar 19 2008	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	3.70	750	2,775	23,350	22.6 K to 23.4 K (+3.32 %)
Mar 19 2008	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	3.64	100	364	22,600	22.5 K to 22.6 K (+0.44 %)
Mar 18 2008	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	3.77	48,900	184,353	3,195,474	3.1 M to 3.2 M (+1.55 %)
Mar 04 2008	ARBX	ARBINET Corp	Sach Peter P	Chief Operating Off ...	Payment of Exercise	F	5.00	2,716	13,580	37,470	40.2 K to 37.5 K (-6.76 %)
Mar 04 2008	ARBX	ARBINET Corp	Wynne John Bernard Jr	Chief Financial Off ...	Payment of Exercise	F	5.00	2,952	14,760	22,048	25 K to 22 K (-11.81 %)
Mar 04 2008	ARBX	ARBINET Corp	WINGFIELD TERRELL W JR	General Counsel and ...	Payment of Exercise	F	5.00	2,867	14,335	22,133	25 K to 22.1 K (-11.47 %)
Mar 03 2008	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	5.00	88,900	444,233	3,146,574	3.1 M to 3.1 M (+2.91 %)
Feb 22 2008	ARBX	ARBINET Corp	FREEMAN WILLIAM M	CEO and President	Option Exercise	A	5.02	115,000	577,300	115,000
Feb 22 2008	ARBX	ARBINET Corp	Koeppen Curt Raymond	Chief Marketing Off ...	Option Exercise	A	5.02	44,000	220,880	44,000
Feb 22 2008	ARBX	ARBINET Corp	Sach Peter P	Chief Operating Off ...	Option Exercise	A	5.02	40,000	200,800	40,000
Feb 22 2008	ARBX	ARBINET Corp	WINGFIELD TERRELL W JR	General Counsel and ...	Option Exercise	A	5.02	32,000	160,640	32,000
Feb 22 2008	ARBX	ARBINET Corp	Wynne John Bernard Jr	Chief Financial Off ...	Option Exercise	A	5.02	35,000	175,700	35,000
Feb 11 2008	ARBX	ARBINET Corp	Mashinsky Alex	Director	Option Exercise	A	5.44	50,000	272,000	119,000
Jan 22 2008	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	5.60	250,000	1,400,000	3,057,674	2.8 M to 3.1 M (+8.90 %)
Jan 15 2008	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	5.72	30,000	171,729	2,807,674	2.8 M to 2.8 M (+1.08 %)
Jan 11 2008	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	5.82	37,500	218,126	2,777,674	2.7 M to 2.8 M (+1.37 %)
Jan 09 2008	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	5.79	9,500	55,002	2,740,174	2.7 M to 2.7 M (+0.35 %)
Jan 09 2008	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	5.78	300	1,734	2,730,674	2.7 M to 2.7 M (+0.01 %)
Jan 08 2008	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	5.83	1,000	5,829	2,730,374	2.7 M to 2.7 M (+0.04 %)
Jan 03 2008	ARBX	ARBINET Corp	Koeppen Curt Raymond	Chief Marketing Off ...	Option Exercise	A	6.05	265,000	1,603,250	265,000
Jan 02 2008	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	5.87	6,500	38,155	2,729,374	2.7 M to 2.7 M (+0.24 %)
Dec 31 2007	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	5.80	600	3,480	2,722,874	2.7 M to 2.7 M (+0.02 %)
Dec 21 2007	ARBX	ARBINET Corp	SINGER KAREN	10% Owner	Buy	P	6.00	31,000	186,000	2,722,274	2.7 M to 2.7 M (+1.15 %)
Dec 06 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.00	1,400	8,400	1,373,546	1.4 M to 1.4 M (-0.10 %)
Dec 06 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.00	700	4,200	1,374,946	1.4 M to 1.4 M (-0.05 %)
Dec 06 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.00	2,393	14,358	1,375,646	1.4 M to 1.4 M (-0.17 %)
Dec 06 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.00	900	5,400	1,378,039	1.4 M to 1.4 M (-0.07 %)
Dec 06 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.00	1,699	10,194	1,378,939	1.4 M to 1.4 M (-0.12 %)
Dec 06 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.00	2,200	13,200	1,380,638	1.4 M to 1.4 M (-0.16 %)
Dec 06 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.00	1,600	9,600	1,382,838	1.4 M to 1.4 M (-0.12 %)
Dec 06 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.00	2,710	16,263	1,384,438	1.4 M to 1.4 M (-0.20 %)
Dec 06 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.01	21,815	131,180	1,387,148	1.4 M to 1.4 M (-1.55 %)
Dec 06 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.00	2,340	14,040	1,408,963	1.4 M to 1.4 M (-0.17 %)
Dec 06 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.00	4,760	28,560	1,411,303	1.4 M to 1.4 M (-0.34 %)
Dec 06 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.00	800	4,800	1,416,063	1.4 M to 1.4 M (-0.06 %)
Dec 06 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.00	8,000	48,000	1,416,863	1.4 M to 1.4 M (-0.56 %)
Dec 20 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.00	500,000	3,000,000	874,346	1.4 M to 874.3 K (-36.38 %)
Nov 19 2007	ARBX	ARBINET Corp	FREEMAN WILLIAM M	CEO and President	Option Exercise	A	5.80	375,000	2,175,000	375,000
Oct 01 2007	ARBX	ARBINET Corp	WINGFIELD TERRELL W JR	General Counsel and ...	Grant	A	0.00	25,000	0	25,000	0 to 25 K
Oct 01 2007	ARBX	ARBINET Corp	Wynne John Bernard Jr	Chief Financial Off ...	Grant	A	0.00	25,000	0	25,000	0 to 25 K
Oct 01 2007	ARBX	ARBINET Corp	Sach Peter P	CIO and Sr. VP of O ...	Grant	A	0.00	23,000	0	40,186	17.2 K to 40.2 K (+133.83 %)
Aug 23 2007	ARBX	ARBINET Corp	Atkinson Robert C	Director	Option Exercise	A	5.15	7,000	36,050	7,000
Aug 23 2007	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	70.00	7,000	490,000	22,500	15.5 K to 22.5 K (+45.16 %)
Aug 29 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Option Exercise	A	5.15	7,000	36,050	7,000
Aug 29 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Grant	A	70.00	7,000	490,000	1,452,183	1.4 M to 1.5 M (+0.48 %)
Aug 24 2007	ARBX	ARBINET Corp	DONAHUE MICHAEL J	Director	Option Exercise	A	5.15	7,000	36,050	7,000
Aug 24 2007	ARBX	ARBINET Corp	DONAHUE MICHAEL J	Director	Grant	A	70.00	7,000	490,000	14,000	7 K to 14 K (+100.00 %)
Aug 23 2007	ARBX	ARBINET Corp	KREITMAN STANLEY	Director	Option Exercise	A	5.15	7,000	36,050	7,000
Aug 23 2007	ARBX	ARBINET Corp	KREITMAN STANLEY	Director	Grant	A	70.00	7,000	490,000	9,000	2 K to 9 K (+350.00 %)
Aug 23 2007	ARBX	ARBINET Corp	ODonnell Shawn Francis	Director	Option Exercise	A	5.15	7,000	36,050	7,000
Aug 23 2007	ARBX	ARBINET Corp	ODonnell Shawn Francis	Director	Grant	A	70.00	7,000	490,000	7,000	0 to 7 K
Aug 23 2007	ARBX	ARBINET Corp	RUANE MICHAEL J	Director	Option Exercise	A	5.15	7,000	36,050	7,000
Aug 23 2007	ARBX	ARBINET Corp	RUANE MICHAEL J	Director	Grant	A	70.00	7,000	490,000	29,625	22.6 K to 29.6 K (+30.94 %)
Aug 23 2007	ARBX	ARBINET Corp	Penney John B	Director	Option Exercise	A	5.15	7,000	36,050	7,000
Aug 23 2007	ARBX	ARBINET Corp	Penney John B	Director	Grant	A	70.00	7,000	490,000	8,000	1,000 to 8 K (+700.00 %)
Jul 17 2007	ARBX	ARBINET Corp	ODonnell Shawn Francis	Director	Option Exercise	A	5.89	25,000	147,250	25,000
Aug 23 2007	ARBX	ARBINET Corp	Thoerle Jill	Director	Option Exercise	A	5.15	7,000	36,050	7,000
Aug 23 2007	ARBX	ARBINET Corp	Thoerle Jill	Director	Grant	A	70.00	7,000	490,000	11,800	4.8 K to 11.8 K (+145.83 %)
Jul 17 2007	ARBX	ARBINET Corp	KREITMAN STANLEY	Director	Option Exercise	A	5.89	19,000	111,910	19,000
Jul 17 2007	ARBX	ARBINET Corp	KREITMAN STANLEY	Director	Grant	A	20.00	2,000	40,000	2,000	0 to 2 K
Jul 17 2007	ARBX	ARBINET Corp	Thoerle Jill	Director	Option Exercise	A	5.89	16,000	94,240	16,000
Jul 17 2007	ARBX	ARBINET Corp	Thoerle Jill	Director	Grant	A	30.00	3,000	90,000	4,800	1.8 K to 4.8 K (+166.67 %)
Jul 16 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Option Exercise	A	5.89	50,000	294,500	69,000
Jul 06 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.15	51,826	318,911	0	51.8 K to 0 (-100.00 %)
Jul 03 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.06	100,000	606,230	1,476,689	1.6 M to 1.5 M (-6.34 %)
Jul 03 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.03	35,900	216,624	1,576,689	1.6 M to 1.6 M (-2.23 %)
Jul 03 2007	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	6.14	13,500	82,827	1,612,589	1.6 M to 1.6 M (-0.83 %)
Nov 28 2006	ARBX	ARBINET Corp	Penney John B	Director	Option Exercise	A	5.52	22,000	121,440	22,000
Nov 28 2006	ARBX	ARBINET Corp	Penney John B	Director	Grant	A	10.00	1,000	10,000	1,000	0 to 1,000
Nov 20 2006	ARBX	ARBINET Corp	HOCKEMEIER J CURT	President and CEO	Option Exercise	A	5.51	150,000	826,500	150,000
Nov 02 2006	ARBX	ARBINET Corp	MOORE ROGER H/CA	Director	Option Exercise	A	5.02	7,000	35,140	7,000
Nov 02 2006	ARBX	ARBINET Corp	MOORE ROGER H/CA	Director	Grant	A	70.00	7,000	490,000	10,000	3 K to 10 K (+233.33 %)
Oct 18 2006	ARBX	ARBINET Corp	Wynne John Bernard Jr	Chief Financial Off ...	Option Exercise	A	5.10	175,000	892,500	175,000
Oct 17 2006	ARBX	ARBINET Corp	WINGFIELD TERRELL W JR	General Counsel and ...	Option Exercise	A	5.22	175,000	913,500	175,000
Oct 17 2006	ARBX	ARBINET Corp	CRAIG ANTHONY L	Director	Option Exercise	A	5.02	7,000	35,140	7,000
Oct 17 2006	ARBX	ARBINET Corp	CRAIG ANTHONY L	Director	Grant	A	70.00	7,000	490,000	614,722	607.7 K to 614.7 K (+1.15 %)
Oct 10 2006	ARBX	ARBINET Corp	Pastorelle Peter Francis	Chief Accounting Of ...	Option Exercise	A	4.72	40,800	192,576	40,800
Oct 10 2006	ARBX	ARBINET Corp	Pastorelle Peter Francis	Chief Accounting Of ...	Payment of Exercise	F	4.85	750	3,638	15,600	16.4 K to 15.6 K (-4.59 %)
Oct 05 2006	ARBX	ARBINET Corp	Atkinson Robert C	Director	Option Exercise	M	3.81	625	2,381	313
Oct 05 2006	ARBX	ARBINET Corp	Atkinson Robert C	Director	Option Exercise	M	1.82	625	1,138	312
Oct 05 2006	ARBX	ARBINET Corp	Atkinson Robert C	Director	Option Exercise	M	0.16	1,250	200	0
Oct 05 2006	ARBX	ARBINET Corp	Atkinson Robert C	Director	Buy	M	3.81	625	2,381	15,500	14.9 K to 15.5 K (+4.20 %)
Oct 05 2006	ARBX	ARBINET Corp	Atkinson Robert C	Director	Buy	M	1.82	625	1,138	14,875	14.3 K to 14.9 K (+4.39 %)
Oct 05 2006	ARBX	ARBINET Corp	Atkinson Robert C	Director	Buy	M	0.16	1,250	200	14,250	13 K to 14.3 K (+9.62 %)
Oct 05 2006	ARBX	ARBINET Corp	Mashinsky Alex	Director	Option Exercise	A	4.52	19,000	85,880	19,000
Oct 05 2006	ARBX	ARBINET Corp	Mashinsky Alex	Director	Grant	A	20.00	2,000	40,000	20,320	18.3 K to 20.3 K (+10.92 %)
Oct 05 2006	ARBX	ARBINET Corp	RUANE MICHAEL J	Director	Grant	A	70.00	7,000	490,000	22,625	15.6 K to 22.6 K (+44.80 %)
Aug 30 2006	ARBX	ARBINET Corp	Atkinson Robert C	Director	Option Exercise	A	5.02	10,000	50,200	10,000
Aug 29 2006	ARBX	ARBINET Corp	HOCKEMEIER J CURT	President and CEO	Payment of Exercise	F	4.85	7,872	38,179	834,196	842.1 K to 834.2 K (-0.93 %)
Aug 29 2006	ARBX	ARBINET Corp	Sach Peter P	CIO and Sr. Vice Pr ...	Payment of Exercise	F	4.85	2,657	12,886	19,843	22.5 K to 19.8 K (-11.81 %)
Aug 29 2006	ARBX	ARBINET Corp	Eng Chi K	General Counsel and ...	Payment of Exercise	F	4.85	1,772	8,594	26,493	28.3 K to 26.5 K (-6.27 %)
Aug 22 2006	ARBX	ARBINET Corp	Eng Chi K	General Counsel and ...	Option Exercise	A	4.65	50,000	232,500	50,000
Aug 22 2006	ARBX	ARBINET Corp	Sach Peter P	CIO and Sr. VP of O ...	Option Exercise	A	4.65	65,000	302,250	65,000
Aug 10 2006	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	4.50	3,900	17,550	13,000	9.1 K to 13 K (+42.86 %)
Aug 10 2006	ARBX	ARBINET Corp	Atkinson Robert C	Director	Grant	A	4.50	6,100	27,450	9,100	3 K to 9.1 K (+203.33 %)
Aug 08 2006	ARBX	ARBINET Corp	DONAHUE MICHAEL J	Director	Option Exercise	A	4.32	7,000	30,240	7,000
Aug 08 2006	ARBX	ARBINET Corp	DONAHUE MICHAEL J	Director	Grant	A	0.00	7,000	0	7,000	0 to 7 K
Jun 23 2006	ARBX	ARBINET Corp	Mashinsky Alex	Director	Sell	S	5.07	3,000	15,210	18,320	21.3 K to 18.3 K (-14.07 %)
May 02 2006	ARBX	ARBINET Corp	HOCKEMEIER J CURT	President and CEO	Option Exercise	M	0.16	5,055	809	250,300
May 02 2006	ARBX	ARBINET Corp	HOCKEMEIER J CURT	President and CEO	Buy	M	0.16	5,055	809	842,401	837.3 K to 842.4 K (+0.60 %)
May 01 2006	ARBX	ARBINET Corp	CRAIG ANTHONY L	Director	Option Exercise	M	0.16	184,861	29,578	10,000
May 01 2006	ARBX	ARBINET Corp	CRAIG ANTHONY L	Director	Buy	M	0.16	184,861	29,578	686,943	502.1 K to 686.9 K (+36.82 %)
Apr 28 2006	ARBX	ARBINET Corp	HOCKEMEIER J CURT	President and CEO	Option Exercise	M	0.16	19,270	3,083	255,355
Apr 28 2006	ARBX	ARBINET Corp	HOCKEMEIER J CURT	President and CEO	Option Exercise	M	0.16	217,373	34,780	274,625
Apr 28 2006	ARBX	ARBINET Corp	HOCKEMEIER J CURT	President and CEO	Option Exercise	M	0.16	456	73	491,998
Apr 28 2006	ARBX	ARBINET Corp	HOCKEMEIER J CURT	President and CEO	Buy	M	0.16	19,270	3,083	837,346	818.1 K to 837.3 K (+2.36 %)
Apr 28 2006	ARBX	ARBINET Corp	HOCKEMEIER J CURT	President and CEO	Buy	M	0.16	217,373	34,780	818,076	600.7 K to 818.1 K (+36.19 %)
Apr 28 2006	ARBX	ARBINET Corp	HOCKEMEIER J CURT	President and CEO	Buy	M	0.16	456	73	600,703	600.2 K to 600.7 K (+0.08 %)
Mar 06 2006	ARBX	ARBINET Corp	HOCKEMEIER J CURT	President and CEO	Option Exercise	X	0.16	62	10	492,454
Mar 06 2006	ARBX	ARBINET Corp	HOCKEMEIER J CURT	President and CEO	Option Exercise	X	0.16	20,507	3,281	492,516

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