Nov 30
2012
SELL
Payment of exercise price or tax liability
$911,135
$149.71 p/Share
6,086
Reduced 5.32%
108,259
Class A Common Stock
Nov 30
2012
BUY
Exercise of conversion of derivative security
-
13,034
Added 10.23%
114,345
Class A Common Stock
Nov 19
2012
BUY
Grant, award, or other acquisition
-
44,027
Added 30.29%
101,311
Class A Common Stock
Nov 06
2012
SELL
Open market or private sale
$1,437,600
$143.76 p/Share
10,000
Reduced 14.86%
57,284
Class A Common Stock
Nov 06
2012
BUY
Exercise of conversion of derivative security
-
10,000
Added 12.94%
67,284
Class A Common Stock
Nov 05
2012
SELL
Payment of exercise price or tax liability
$274,793
$141.5 p/Share
1,942
Reduced 3.28%
57,284
Class A Common Stock
Sep 21
2012
SELL
Open market or private sale
$176,241
$135.57 p/Share
1,300
Reduced 2.15%
59,226
Class A Common Stock
Sep 21
2012
BUY
Exercise of conversion of derivative security
-
1,300
Added 2.1%
60,526
Class A Common Stock
Sep 19
2012
SELL
Open market or private sale
$1,553,420
$135.08 p/Share
11,500
Reduced 16.26%
59,226
Class A Common Stock
Sep 19
2012
BUY
Exercise of conversion of derivative security
-
11,500
Added 13.99%
70,726
Class A Common Stock
Feb 14
2012
BUY
Grant, award, or other acquisition
-
26,033
Added 30.53%
59,226
Class A Common Stock
Jan 04
2012
SELL
Open market or private sale
$681,286
$102.96 p/Share
6,617
Reduced 16.62%
33,193
Class A Common Stock
Jan 04
2012
BUY
Exercise of conversion of derivative security
-
6,617
Added 14.25%
39,810
Class A Common Stock
Jan 03
2012
SELL
Open market or private sale
$4,651,758
$102.5 p/Share
45,383
Reduced 57.76%
33,193
Class A Common Stock
Jan 03
2012
BUY
Exercise of conversion of derivative security
-
45,383
Added 36.61%
78,576
Class A Common Stock
Nov 30
2011
SELL
Payment of exercise price or tax liability
$205,189
$96.97 p/Share
2,116
Reduced 5.99%
33,193
Class A Common Stock
Nov 30
2011
BUY
Exercise of conversion of derivative security
-
4,531
Added 11.37%
35,309
Class A Common Stock
Nov 05
2011
SELL
Payment of exercise price or tax liability
$479,505
$92.64 p/Share
5,176
Reduced 15.89%
27,405
Class A Common Stock
Nov 05
2011
BUY
Exercise of conversion of derivative security
-
6,530
Added 16.7%
32,581
Class A Common Stock
Nov 05
2011
BUY
Grant, award, or other acquisition
-
3,373
Added 9.88%
30,778
Class A Common Stock
Nov 05
2010
SELL
Payment of exercise price or tax liability
$300,926
$79.8 p/Share
3,771
Reduced 14.83%
21,665
Class A Common Stock
Nov 05
2010
BUY
Exercise of conversion of derivative security
-
6,530
Added 20.43%
25,436
Class A Common Stock
Nov 05
2010
BUY
Grant, award, or other acquisition
-
4,386
Added 14.41%
26,051
Class A Common Stock