| Dec. 31, 2009 |
ARCB
|
D |
2,618 |
$29.43 |
$77,048 |
46,584
Direct
|
-5.32%
|
Disposed |
378.2%
(price as of 2026-08-19)
|
| Dec. 20, 2009 |
ARCB
|
F |
32 |
$31.23 |
$999 |
49,202
Direct
|
-0.06%
|
Disposed |
350.7%
(price as of 2026-08-19)
|
| Dec. 17, 2009 |
ARCB
|
F |
46 |
$30.84 |
$1,419 |
49,234
Direct
|
-0.09%
|
Disposed |
356.4%
(price as of 2026-08-19)
|
| Nov. 20, 2009 |
ARCB
|
F |
32 |
$24.87 |
$796 |
49,280
Direct
|
-0.06%
|
Disposed |
465.9%
(price as of 2026-08-19)
|
| Nov. 17, 2009 |
ARCB
|
F |
47 |
$25.46 |
$1,197 |
49,312
Direct
|
-0.10%
|
Disposed |
452.8%
(price as of 2026-08-19)
|
| Oct. 20, 2009 |
ARCB
|
F |
32 |
$30.00 |
$960 |
49,359
Direct
|
-0.06%
|
Disposed |
369.1%
(price as of 2026-08-19)
|
| Oct. 17, 2009 |
ARCB
|
F |
47 |
$29.90 |
$1,405 |
49,391
Direct
|
-0.10%
|
Disposed |
370.7%
(price as of 2026-08-19)
|
| Sept. 20, 2009 |
ARCB
|
F |
32 |
$32.86 |
$1,052 |
49,438
Direct
|
-0.06%
|
Disposed |
328.3%
(price as of 2026-08-19)
|
| Sept. 17, 2009 |
ARCB
|
F |
46 |
$32.85 |
$1,511 |
49,470
Direct
|
-0.09%
|
Disposed |
328.4%
(price as of 2026-08-19)
|
| Aug. 20, 2009 |
ARCB
|
F |
32 |
$29.98 |
$959 |
49,516
Direct
|
-0.06%
|
Disposed |
369.4%
(price as of 2026-08-19)
|
| Aug. 17, 2009 |
ARCB
|
F |
47 |
$28.05 |
$1,318 |
49,548
Direct
|
-0.09%
|
Disposed |
401.7%
(price as of 2026-08-19)
|
| July 20, 2009 |
ARCB
|
F |
32 |
$26.39 |
$844 |
49,595
Direct
|
-0.06%
|
Disposed |
433.3%
(price as of 2026-08-19)
|
| July 17, 2009 |
ARCB
|
F |
47 |
$25.83 |
$1,214 |
49,627
Direct
|
-0.09%
|
Disposed |
444.9%
(price as of 2026-08-19)
|
| June 20, 2009 |
ARCB
|
F |
31 |
$30.15 |
$935 |
49,674
Direct
|
-0.06%
|
Disposed |
366.8%
(price as of 2026-08-19)
|
| June 17, 2009 |
ARCB
|
F |
47 |
$29.13 |
$1,369 |
49,705
Direct
|
-0.09%
|
Disposed |
383.1%
(price as of 2026-08-19)
|
| May 20, 2009 |
ARCB
|
F |
32 |
$27.71 |
$887 |
49,752
Direct
|
-0.06%
|
Disposed |
407.9%
(price as of 2026-08-19)
|
| May 17, 2009 |
ARCB
|
F |
47 |
$24.40 |
$1,147 |
49,784
Direct
|
-0.09%
|
Disposed |
476.8%
(price as of 2026-08-19)
|
| April 29, 2009 |
ARCB
|
A |
14,600 |
— |
— |
49,831
Direct
|
+41.44%
|
Acquired |
(price as of 2026-08-19)
|
| April 20, 2009 |
ARCB
|
F |
32 |
$21.93 |
$702 |
35,231
Direct
|
-0.09%
|
Disposed |
541.8%
(price as of 2026-08-19)
|
| April 17, 2009 |
ARCB
|
F |
46 |
$24.49 |
$1,127 |
35,263
Direct
|
-0.13%
|
Disposed |
474.7%
(price as of 2026-08-19)
|
| March 20, 2009 |
ARCB
|
F |
32 |
$18.60 |
$595 |
35,309
Direct
|
-0.09%
|
Disposed |
656.7%
(price as of 2026-08-19)
|
| March 17, 2009 |
ARCB
|
F |
47 |
$20.32 |
$955 |
35,341
Direct
|
-0.13%
|
Disposed |
592.6%
(price as of 2026-08-19)
|
| Feb. 20, 2009 |
ARCB
|
F |
32 |
$20.31 |
$650 |
35,388
Direct
|
-0.09%
|
Disposed |
593.0%
(price as of 2026-08-19)
|
| Feb. 17, 2009 |
ARCB
|
F |
55 |
$21.57 |
$1,186 |
35,420
Direct
|
-0.16%
|
Disposed |
552.5%
(price as of 2026-08-19)
|
| Jan. 20, 2009 |
ARCB
|
F |
38 |
$22.64 |
$860 |
35,475
Direct
|
-0.11%
|
Disposed |
521.6%
(price as of 2026-08-19)
|
| Jan. 17, 2009 |
ARCB
|
F |
55 |
$24.03 |
$1,322 |
35,513
Direct
|
-0.15%
|
Disposed |
485.7%
(price as of 2026-08-19)
|
| Dec. 20, 2008 |
ARCB
|
F |
32 |
$26.64 |
$852 |
35,568
Direct
|
-0.09%
|
Disposed |
428.3%
(price as of 2026-08-19)
|
| Dec. 17, 2008 |
ARCB
|
F |
47 |
$26.97 |
$1,268 |
35,600
Direct
|
-0.13%
|
Disposed |
421.8%
(price as of 2026-08-19)
|
| Nov. 20, 2008 |
ARCB
|
F |
32 |
$20.60 |
$659 |
35,647
Direct
|
-0.09%
|
Disposed |
583.2%
(price as of 2026-08-19)
|
| Nov. 17, 2008 |
ARCB
|
F |
47 |
$23.83 |
$1,120 |
35,679
Direct
|
-0.13%
|
Disposed |
490.6%
(price as of 2026-08-19)
|
| Oct. 20, 2008 |
ARCB
|
F |
31 |
$30.24 |
$937 |
35,726
Direct
|
-0.09%
|
Disposed |
365.4%
(price as of 2026-08-19)
|
| Oct. 17, 2008 |
ARCB
|
F |
47 |
$29.38 |
$1,381 |
35,757
Direct
|
-0.13%
|
Disposed |
379.0%
(price as of 2026-08-19)
|
| Sept. 20, 2008 |
ARCB
|
F |
32 |
$40.02 |
$1,281 |
35,804
Direct
|
-0.09%
|
Disposed |
251.7%
(price as of 2026-08-19)
|
| Sept. 17, 2008 |
ARCB
|
F |
47 |
$36.47 |
$1,714 |
35,836
Direct
|
-0.13%
|
Disposed |
285.9%
(price as of 2026-08-19)
|
| Aug. 20, 2008 |
ARCB
|
F |
32 |
$34.87 |
$1,116 |
35,883
Direct
|
-0.09%
|
Disposed |
303.6%
(price as of 2026-08-19)
|
| Aug. 17, 2008 |
ARCB
|
F |
46 |
$38.56 |
$1,774 |
35,915
Direct
|
-0.13%
|
Disposed |
265.0%
(price as of 2026-08-19)
|
| July 20, 2008 |
ARCB
|
F |
32 |
$42.63 |
$1,364 |
35,961
Direct
|
-0.09%
|
Disposed |
230.1%
(price as of 2026-08-19)
|
| July 17, 2008 |
ARCB
|
F |
47 |
$42.15 |
$1,981 |
35,993
Direct
|
-0.13%
|
Disposed |
233.9%
(price as of 2026-08-19)
|
| June 20, 2008 |
ARCB
|
F |
32 |
$39.11 |
$1,252 |
36,040
Direct
|
-0.09%
|
Disposed |
259.9%
(price as of 2026-08-19)
|
| June 17, 2008 |
ARCB
|
F |
47 |
$36.71 |
$1,725 |
36,072
Direct
|
-0.13%
|
Disposed |
283.4%
(price as of 2026-08-19)
|
| May 20, 2008 |
ARCB
|
F |
32 |
$39.24 |
$1,256 |
36,119
Direct
|
-0.09%
|
Disposed |
258.7%
(price as of 2026-08-19)
|
| May 17, 2008 |
ARCB
|
F |
46 |
$39.80 |
$1,831 |
36,151
Direct
|
-0.13%
|
Disposed |
253.6%
(price as of 2026-08-19)
|
| April 30, 2008 |
ARCB
|
A |
8,400 |
— |
— |
36,197
Direct
|
+30.22%
|
Acquired |
(price as of 2026-08-19)
|
| April 20, 2008 |
ARCB
|
F |
32 |
$32.35 |
$1,035 |
27,797
Direct
|
-0.11%
|
Disposed |
335.1%
(price as of 2026-08-19)
|
| April 17, 2008 |
ARCB
|
F |
47 |
$31.26 |
$1,469 |
27,829
Direct
|
-0.17%
|
Disposed |
350.2%
(price as of 2026-08-19)
|
| March 20, 2008 |
ARCB
|
F |
32 |
$33.46 |
$1,071 |
27,876
Direct
|
-0.11%
|
Disposed |
320.6%
(price as of 2026-08-19)
|
| March 17, 2008 |
ARCB
|
F |
47 |
$30.47 |
$1,432 |
27,908
Direct
|
-0.17%
|
Disposed |
361.9%
(price as of 2026-08-19)
|
| Feb. 20, 2008 |
ARCB
|
F |
31 |
$28.54 |
$885 |
27,955
Direct
|
-0.11%
|
Disposed |
393.1%
(price as of 2026-08-19)
|
| Feb. 17, 2008 |
ARCB
|
F |
47 |
$28.72 |
$1,350 |
27,986
Direct
|
-0.17%
|
Disposed |
390.0%
(price as of 2026-08-19)
|
| Jan. 20, 2008 |
ARCB
|
F |
38 |
$20.00 |
$760 |
28,033
Direct
|
-0.14%
|
Disposed |
603.7%
(price as of 2026-08-19)
|
| Jan. 17, 2008 |
ARCB
|
F |
56 |
$19.92 |
$1,116 |
28,071
Direct
|
-0.20%
|
Disposed |
606.5%
(price as of 2026-08-19)
|
| Dec. 20, 2007 |
ARCB
|
F |
41 |
$21.98 |
$901 |
28,127
Direct
|
-0.15%
|
Disposed |
540.3%
(price as of 2026-08-19)
|
| Dec. 17, 2007 |
ARCB
|
F |
61 |
$22.31 |
$1,361 |
28,168
Direct
|
-0.22%
|
Disposed |
530.8%
(price as of 2026-08-19)
|
| Nov. 20, 2007 |
ARCB
|
F |
41 |
$22.19 |
$910 |
28,229
Direct
|
-0.15%
|
Disposed |
534.2%
(price as of 2026-08-19)
|
| Nov. 17, 2007 |
ARCB
|
F |
61 |
$23.51 |
$1,434 |
28,270
Direct
|
-0.22%
|
Disposed |
498.6%
(price as of 2026-08-19)
|
| Oct. 20, 2007 |
ARCB
|
F |
41 |
$30.25 |
$1,240 |
28,331
Direct
|
-0.14%
|
Disposed |
365.3%
(price as of 2026-08-19)
|
| Oct. 17, 2007 |
ARCB
|
F |
61 |
$32.00 |
$1,952 |
28,372
Direct
|
-0.21%
|
Disposed |
339.8%
(price as of 2026-08-19)
|
| Sept. 20, 2007 |
ARCB
|
F |
41 |
$33.68 |
$1,381 |
28,433
Direct
|
-0.14%
|
Disposed |
317.9%
(price as of 2026-08-19)
|
| Sept. 17, 2007 |
ARCB
|
F |
61 |
$33.33 |
$2,033 |
28,474
Direct
|
-0.21%
|
Disposed |
322.3%
(price as of 2026-08-19)
|
| Aug. 20, 2007 |
ARCB
|
F |
41 |
$36.15 |
$1,482 |
28,535
Direct
|
-0.14%
|
Disposed |
289.3%
(price as of 2026-08-19)
|
| Aug. 17, 2007 |
ARCB
|
F |
61 |
$35.30 |
$2,153 |
28,576
Direct
|
-0.21%
|
Disposed |
298.7%
(price as of 2026-08-19)
|
| July 20, 2007 |
ARCB
|
F |
41 |
$40.15 |
$1,646 |
28,637
Direct
|
-0.14%
|
Disposed |
250.5%
(price as of 2026-08-19)
|
| July 17, 2007 |
ARCB
|
F |
61 |
$40.64 |
$2,479 |
28,678
Direct
|
-0.21%
|
Disposed |
246.3%
(price as of 2026-08-19)
|
| June 20, 2007 |
ARCB
|
F |
42 |
$38.97 |
$1,637 |
28,739
Direct
|
-0.15%
|
Disposed |
261.1%
(price as of 2026-08-19)
|
| June 17, 2007 |
ARCB
|
F |
61 |
$39.86 |
$2,431 |
28,781
Direct
|
-0.21%
|
Disposed |
253.1%
(price as of 2026-08-19)
|
| May 20, 2007 |
ARCB
|
F |
41 |
$38.90 |
$1,595 |
28,842
Direct
|
-0.14%
|
Disposed |
261.8%
(price as of 2026-08-19)
|
| May 17, 2007 |
ARCB
|
F |
61 |
$38.77 |
$2,365 |
28,883
Direct
|
-0.21%
|
Disposed |
263.0%
(price as of 2026-08-19)
|
| April 23, 2007 |
ARCB
|
A |
8,400 |
— |
— |
28,944
Direct
|
+40.89%
|
Acquired |
(price as of 2026-08-19)
|
| April 20, 2007 |
ARCB
|
F |
41 |
$39.00 |
$1,599 |
20,544
Direct
|
-0.20%
|
Disposed |
260.9%
(price as of 2026-08-19)
|
| April 17, 2007 |
ARCB
|
F |
588 |
$37.60 |
$22,109 |
20,585
Direct
|
-2.78%
|
Disposed |
274.3%
(price as of 2026-08-19)
|
| March 20, 2007 |
ARCB
|
F |
38 |
$37.61 |
$1,429 |
21,173
Direct
|
-0.18%
|
Disposed |
274.2%
(price as of 2026-08-19)
|
| Feb. 20, 2007 |
ARCB
|
F |
26 |
$40.79 |
$1,061 |
21,211
Direct
|
-0.12%
|
Disposed |
245.0%
(price as of 2026-08-19)
|
| Jan. 20, 2007 |
ARCB
|
F |
38 |
$38.92 |
$1,479 |
21,236
Direct
|
-0.18%
|
Disposed |
261.6%
(price as of 2026-08-19)
|
| Dec. 20, 2006 |
ARCB
|
F |
826 |
$36.56 |
$30,199 |
21,274
Direct
|
-3.74%
|
Disposed |
285.0%
(price as of 2026-08-19)
|
| April 17, 2006 |
ARCB
|
A |
8,400 |
— |
— |
22,100
Direct
|
+61.31%
|
Acquired |
(price as of 2026-08-19)
|
| Feb. 9, 2006 |
ARCB
|
M |
12,000 |
— |
— |
0
Direct
|
-100.00%
|
Disposed |
(price as of 2026-08-19)
|
| Feb. 9, 2006 |
ARCB
|
M |
6,000 |
— |
— |
0
Direct
|
-100.00%
|
Disposed |
(price as of 2026-08-19)
|
| Feb. 9, 2006 |
ARCB
|
S |
7,500 |
$42.54 |
$319,050 |
13,700
Direct
|
-35.38%
|
Disposed |
230.8%
(price as of 2026-08-19)
|
| Feb. 9, 2006 |
ARCB
|
S |
10,000 |
$42.36 |
$423,600 |
21,200
Direct
|
-32.05%
|
Disposed |
232.2%
(price as of 2026-08-19)
|
| Feb. 9, 2006 |
ARCB
|
M |
12,000 |
$13.62 |
$163,440 |
31,200
Direct
|
+62.50%
|
Acquired |
933.3%
(price as of 2026-08-19)
|
| Feb. 9, 2006 |
ARCB
|
M |
6,000 |
$7.62 |
$45,720 |
19,200
Direct
|
+45.45%
|
Acquired |
1747.0%
(price as of 2026-08-19)
|
| April 20, 2005 |
ARCB
|
A |
5,700 |
— |
— |
13,200
Direct
|
+76.00%
|
Acquired |
(price as of 2026-08-19)
|
| Jan. 28, 2004 |
ARCB
|
A |
10,000 |
— |
— |
10,000
Direct
|
—
|
Acquired |
(price as of 2026-08-19)
|
| Jan. 28, 2004 |
ARCB
|
A |
10,000 |
— |
— |
10,000
Direct
|
—
|
Acquired |
(price as of 2026-08-19)
|
| Nov. 3, 2003 |
ARCB
|
S |
6,500 |
$33.80 |
$219,700 |
7,500
Direct
|
-46.43%
|
Disposed |
316.4%
(price as of 2026-08-19)
|
| Oct. 31, 2003 |
ARCB
|
S |
20,000 |
$33.00 |
$660,000 |
14,000
Direct
|
-58.82%
|
Disposed |
326.5%
(price as of 2026-08-19)
|
| Oct. 30, 2003 |
ARCB
|
M |
12,500 |
— |
— |
0
Direct
|
-100.00%
|
Disposed |
(price as of 2026-08-19)
|
| Oct. 30, 2003 |
ARCB
|
M |
15,000 |
— |
— |
0
Direct
|
-100.00%
|
Disposed |
(price as of 2026-08-19)
|
| Oct. 30, 2003 |
ARCB
|
M |
15,000 |
$6.38 |
$95,700 |
21,500
Direct
|
+230.77%
|
Acquired |
2106.0%
(price as of 2026-08-19)
|