Stock chart
Ticker: ARBA Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2012-03-15 2012-03-14 S Sale

KNOWLING ROBERT E JR

Non-Executive Director
1,666 -11.7%
32.37
USD 53,928
1,666 -11.7% 32.37 USD 53,928
2012-03-02 2012-02-29 S Sale

WALLMAN RICHARD F

Non-Executive Director
5,000 -18.7%
31.65
USD 158,250
5,000 -18.7% 31.65 USD 158,250
2012-02-29 2012-02-28 S Sale

JOHNSON ROBERT D

Non-Executive Director
1,419 -5.5%
31.51
USD 44,715
1,419 -5.5% 31.51 USD 44,715
2012-02-28 2012-02-27 PS Planned sale

Parker Kent

Chief Operating Officer

Officer
33,800 -20.1%
31.01
USD 1,048,138
33,800 -20.1% 31.01 USD 1,048,138
2012-02-27 2012-02-24 S Sale

WALLMAN RICHARD F

Non-Executive Director
8,306 -23.7%
30.50
USD 253,333
8,306 -23.7% 30.50 USD 253,333
2012-02-06 2012-02-03 S Sale

KASHNOW RICHARD A

Non-Executive Director
5,627 -100.0%
29.05
USD 163,464
5,627 -100.0% 29.05 USD 163,464
2012-02-02 2012-02-01 S Sale

JOHNSON ROBERT D

Non-Executive Director
1,281 -4.8%
28.37
USD 36,342
1,281 -4.8% 28.37 USD 36,342
2011-12-13 2011-12-12 S Sale

MONAHAN THOMAS

Non-Executive Director
12,500 -37.7%
34.09
USD 426,179
12,500 -37.7% 34.09 USD 426,179
2011-12-12 2011-12-09 S Sale

Parker Kent

Chief Operating Officer

Officer
10,000 -5.5%
34.20
USD 342,000
10,000 -5.5% 34.20 USD 342,000
2011-12-07 2011-12-06 S Sale

NEWKIRK KARL E

Non-Executive Director
54,516 -51.2%
33.57
USD 1,830,244
54,516 -51.2% 33.57 USD 1,830,244
2011-12-06 2011-12-05 S Sale

Parker Kent

Chief Operating Officer

Officer
20,000 -9.9%
32.55
USD 650,938
20,000 -9.9% 32.55 USD 650,938
2011-12-06 2011-12-05 S Sale

Parker Kent

Chief Operating Officer

Officer
20,000 -9.0%
33.50
USD 670,000
20,000 -9.0% 33.50 USD 670,000
2011-11-17 2011-11-16 S Sale

COSTELLO KEVIN

President

Officer
18,035 -8.6%
32.08
USD 578,527
18,035 -8.6% 32.08 USD 578,527
2011-11-17 2011-11-16 PS Planned sale

Parker Kent

Chief Operating Officer

Officer
4,451 -2.0%
32.02
USD 142,509
4,451 -2.0% 32.02 USD 142,509
2011-11-17 2011-11-16 S Sale

CALDERONI ROBERT

Chairman and CEO

Executive Director
17,553 -4.8%
32.09
USD 563,220
17,553 -4.8% 32.09 USD 563,220
2011-11-17 2011-11-16 PS Planned sale

Rubaie Ahmed

Chief Financial Officer

Officer
80,879 -45.9%
31.95
USD 2,584,319
80,879 -45.9% 31.95 USD 2,584,319
2011-11-17 2011-11-15 S Sale

COSTELLO KEVIN

President

Officer
120,000 -36.5%
32.28
USD 3,873,360
120,000 -36.5% 32.28 USD 3,873,360
2011-11-17 2011-11-15 S Sale

CALDERONI ROBERT

Chairman and CEO

Executive Director
275,000 -43.1%
32.27
USD 8,874,800
275,000 -43.1% 32.27 USD 8,874,800
2011-09-14 2011-09-13 S Sale

WALLMAN RICHARD F

Non-Executive Director
5,000 -13.9%
28.11
USD 140,550
5,000 -13.9% 28.11 USD 140,550
2011-09-14 2011-09-13 S Sale

WALLMAN RICHARD F

Non-Executive Director
5,000 -12.2%
27.76
USD 138,800
5,000 -12.2% 27.76 USD 138,800
2011-09-14 2011-09-13 S Sale

WALLMAN RICHARD F

Non-Executive Director
5,000 -10.9%
27.42
USD 137,100
5,000 -10.9% 27.42 USD 137,100
2011-08-23 2011-08-22 PS Planned sale

Rubaie Ahmed

Chief Financial Officer

Officer
20,866 -8.2%
22.53
USD 470,021
20,866 -8.2% 22.53 USD 470,021
2011-08-02 2011-07-31 B Purchase

COSTELLO KEVIN

President

Officer
88 +0.0%
28.11
USD 2,474
88 +0.0% 28.11 USD 2,474
2011-05-11 2011-05-10 S Sale

JOHNSON ROBERT D

Non-Executive Director
7,200 -24.2%
35.50
USD 255,571
7,200 -24.2% 35.50 USD 255,571
2011-05-10 2011-05-06 S Sale

KNOWLING ROBERT E JR

Non-Executive Director
30,833 -78.8%
33.52
USD 1,033,383
30,833 -78.8% 33.52 USD 1,033,383
2011-05-09 2011-05-05 S Sale

KASHNOW RICHARD A

Non-Executive Director
5,000 -33.4%
32.57
USD 162,864
5,000 -33.4% 32.57 USD 162,864
2011-03-09 2011-03-08 S Sale

MONAHAN THOMAS

Non-Executive Director
5,000 -19.5%
31.50
USD 157,500
5,000 -19.5% 31.50 USD 157,500
2011-03-08 2011-03-07 S Sale

KASHNOW RICHARD A

Non-Executive Director
5,000 -54.9%
31.66
USD 158,300
5,000 -54.9% 31.66 USD 158,300
2011-03-04 2011-03-03 S Sale

Parker Kent

Chief Operating Officer

Officer
10,000 -5.3%
32.25
USD 322,500
10,000 -5.3% 32.25 USD 322,500
2011-03-04 2011-03-03 S Sale

Parker Kent

Chief Operating Officer

Officer
10,000 -5.0%
31.06
USD 310,600
10,000 -5.0% 31.06 USD 310,600
2011-02-07 2011-02-03 S Sale

JOHNSON ROBERT D

Non-Executive Director
8,643 -25.4%
28.57
USD 246,948
8,643 -25.4% 28.57 USD 246,948
2011-02-07 2011-02-03 S Sale

JOHNSON ROBERT D

Non-Executive Director
12,500 -26.9%
28.34
USD 354,250
12,500 -26.9% 28.34 USD 354,250
2011-02-03 2011-02-02 PS Planned sale

CALDERONI ROBERT

Chairman and CEO

Executive Director
1,876 -0.4%
28.90
USD 54,216
1,876 -0.4% 28.90 USD 54,216
2011-02-03 2011-02-01 PS Planned sale

CALDERONI ROBERT

Chairman and CEO

Executive Director
60,000 -11.9%
27.94
USD 1,676,394
60,000 -11.9% 27.94 USD 1,676,394
2011-02-01 2011-02-01 B Purchase

WALLMAN RICHARD F

Non-Executive Director
5,000 +28.5%
27.86
USD 139,300
5,000 +28.5% 27.86 USD 139,300
2011-02-02 2011-01-31 B Purchase

COSTELLO KEVIN

President

Officer
338 +0.1%
23.88
USD 8,071
338 +0.1% 23.88 USD 8,071
2010-12-17 2010-12-15 S Sale

COSTELLO KEVIN

President

Officer
19,827 -7.2%
23.35
USD 462,986
19,827 -7.2% 23.35 USD 462,986
2010-12-17 2010-12-15 S Sale

Parker Kent

Chief Operating Officer

Officer
5,999 -2.7%
23.58
USD 141,483
5,999 -2.7% 23.58 USD 141,483
2010-12-14 2010-12-13 S Sale

COSTELLO KEVIN

President

Officer
13,000 -4.5%
23.81
USD 309,491
13,000 -4.5% 23.81 USD 309,491
2010-12-14 2010-12-10 S Sale

CALDERONI ROBERT

Chairman and CEO

Executive Director
75,000 -11.7%
23.75
USD 1,781,340
75,000 -11.7% 23.75 USD 1,781,340
2010-12-13 2010-12-10 S Sale

COSTELLO KEVIN

President

Officer
30,000 -9.4%
23.79
USD 713,577
30,000 -9.4% 23.79 USD 713,577
2010-12-10 2010-12-08 S Sale

CALDERONI ROBERT

Chairman and CEO

Executive Director
100,000 -13.5%
22.98
USD 2,297,700
100,000 -13.5% 22.98 USD 2,297,700
2010-12-09 2010-12-08 S Sale

COSTELLO KEVIN

President

Officer
20,000 -5.9%
23.00
USD 460,080
20,000 -5.9% 23.00 USD 460,080
2010-12-07 2010-12-06 S Sale

Parker Kent

Chief Operating Officer

Officer
20,000 -8.4%
22.00
USD 440,000
20,000 -8.4% 22.00 USD 440,000
2010-12-06 2010-12-06 B Purchase

WALLMAN RICHARD F

Non-Executive Director
5,000 +39.9%
21.49
USD 107,460
5,000 +39.9% 21.49 USD 107,460
2010-11-29 2010-11-26 S Sale

JOHNSON ROBERT D

Non-Executive Director
12,500 -36.8%
20.66
USD 258,223
12,500 -36.8% 20.66 USD 258,223
2010-12-14 2010-11-24 S Sale

MONAHAN THOMAS

Non-Executive Director
16,324 -48.5%
20.85
USD 340,355
16,324 -48.5% 20.85 USD 340,355
2010-11-24 2010-11-24 S Sale

COSTELLO KEVIN

President

Officer
18,000 -5.1%
20.49
USD 368,777
18,000 -5.1% 20.49 USD 368,777
2010-11-24 2010-11-23 S Sale

Rubaie Ahmed

Chief Financial Officer

Officer
68,395 -37.5%
19.80
USD 1,354,467
68,395 -37.5% 19.80 USD 1,354,467
2010-11-24 2010-11-22 S Sale

Rubaie Ahmed

Chief Financial Officer

Officer
10,000 -5.2%
19.75
USD 197,500
10,000 -5.2% 19.75 USD 197,500
2010-03-18 2010-03-16 S Sale

KASHNOW RICHARD A

Non-Executive Director
12,338 -93.9%
12.99
USD 160,271
12,338 -93.9% 12.99 USD 160,271
2010-03-15 2010-03-12 S Sale

MONAHAN THOMAS

Non-Executive Director
20,000 -37.3%
13.41
USD 268,200
20,000 -37.3% 13.41 USD 268,200
2010-03-15 2010-03-12 S Sale

KNOWLING ROBERT E JR

Non-Executive Director
12,338 -53.2%
13.45
USD 165,946
12,338 -53.2% 13.45 USD 165,946
2010-03-03 2010-03-01 B Purchase

WALLMAN RICHARD F

Non-Executive Director
200 +inf%
12.06
USD 2,412
200 +inf% 12.06 USD 2,412
2009-12-28 2009-12-24 PS Planned sale

Parker Kent

Chief Operating Officer

Officer
13,749 -20.4%
12.50
USD 171,863
13,749 -20.4% 12.50 USD 171,863
2009-12-10 2009-12-09 S Sale

Parker Kent

Chief Operating Officer

Officer
6,599 -4.8%
10.69
USD 70,539
6,599 -4.8% 10.69 USD 70,539
2009-12-10 2009-12-09 S Sale

Parker Kent

Chief Operating Officer

Officer
12,002 -8.0%
10.65
USD 127,762
12,002 -8.0% 10.65 USD 127,762
2009-11-24 2009-11-23 PS Planned sale

CALDERONI ROBERT

Chairman and CEO

Executive Director
16,730 -10.1%
11.06
USD 184,992
16,730 -10.1% 11.06 USD 184,992
2009-11-24 2009-11-23 PS Planned sale

CALDERONI ROBERT

Chairman and CEO

Executive Director
2,785 -1.6%
111,323.00
USD 310,034,555
2,785 -1.6% 111,323.00 USD 310,034,555
2009-11-24 2009-11-23 PS Planned sale

CALDERONI ROBERT

Chairman and CEO

Executive Director
41,725 -19.8%
11.03
USD 460,298
41,725 -19.8% 11.03 USD 460,298
2009-11-24 2009-11-23 PS Planned sale

CALDERONI ROBERT

Chairman and CEO

Executive Director
7,062 -3.2%
11.10
USD 78,374
7,062 -3.2% 11.10 USD 78,374
2009-11-24 2009-11-23 PS Planned sale

CALDERONI ROBERT

Chairman and CEO

Executive Director
41,725 -16.1%
11.03
USD 460,122
41,725 -16.1% 11.03 USD 460,122
2009-11-24 2009-11-23 PS Planned sale

Parker Kent

Chief Operating Officer

Officer
7,261 -4.6%
11.08
USD 80,460
7,261 -4.6% 11.08 USD 80,460
2009-11-24 2009-11-23 PS Planned sale

Parker Kent

Chief Operating Officer

Officer
1,288 -0.8%
11.09
USD 14,281
1,288 -0.8% 11.09 USD 14,281
2009-11-24 2009-11-23 PS Planned sale

Parker Kent

Chief Operating Officer

Officer
1,287 -0.8%
11.08
USD 14,263
1,287 -0.8% 11.08 USD 14,263
2009-11-24 2009-11-23 PS Planned sale

Parker Kent

Chief Operating Officer

Officer
619 -0.4%
11.15
USD 6,902
619 -0.4% 11.15 USD 6,902
2009-11-17 2009-11-16 PS Planned sale

Rubaie Ahmed

Chief Financial Officer

Officer
31,516 -75.9%
11.89
USD 374,631
31,516 -75.9% 11.89 USD 374,631
2009-11-17 2009-11-16 PS Planned sale

CALDERONI ROBERT

Chairman and CEO

Executive Director
37,106 -16.9%
11.88
USD 440,804
37,106 -16.9% 11.88 USD 440,804
2009-11-17 2009-11-16 PS Planned sale

CALDERONI ROBERT

Chairman and CEO

Executive Director
37,106 -14.4%
11.88
USD 440,782
37,106 -14.4% 11.88 USD 440,782
2009-11-17 2009-11-16 PS Planned sale

CALDERONI ROBERT

Chairman and CEO

Executive Director
12,369 -4.6%
11.94
USD 147,696
12,369 -4.6% 11.94 USD 147,696
2009-11-17 2009-11-16 PS Planned sale

COSTELLO KEVIN

President

Officer
4,573 -2.9%
11.84
USD 54,144
4,573 -2.9% 11.84 USD 54,144
2009-09-01 2009-08-31 S Sale

KNOWLING ROBERT E JR

Non-Executive Director
10,843 -100.0%
11.40
USD 123,610
10,843 -100.0% 11.40 USD 123,610
2009-08-14 2009-08-12 S Sale

Parker Kent

Chief Operating Officer

Officer
19,414 -9.4%
12.00
USD 232,968
19,414 -9.4% 12.00 USD 232,968
2009-08-14 2009-08-12 S Sale

CALDERONI ROBERT

Chairman and CEO

Executive Director
50,000 -9.5%
12.00
USD 600,000
50,000 -9.5% 12.00 USD 600,000
2009-08-12 2009-08-12 S Sale

COSTELLO KEVIN

President

Officer
26,035 -8.9%
12.00
USD 312,420
26,035 -8.9% 12.00 USD 312,420
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