| Transaction Date |
Owner |
Shares Purchased/Sold |
Edgar filing |
|
10/29/2008
|
HEALTHCOR MANAGEMENT, L.P.
HEALTHCOR ASSOCIATES, LLC
HEALTHCOR OFFSHORE, LTD.
HEALTHCOR HYBRID OFFSHORE
HEALTHCOR GROUP, LLC
HEALTHCOR CAPITAL, L.P.
HEALTHCOR L P
HEALEY JOSEPH PATRICK
COHEN ARTHUR BRUCE
|
1,000,000 |
View Filing |
|
11/14/2008
|
BLOTT PETER J
|
4,100 |
View Filing |
|
02/26/2009
|
PROVENCIO NORMA ANN
|
2,500 |
View Filing |
|
02/27/2009
|
DE SILVA RAJIV
|
11,595 |
View Filing |
|
03/06/2009
|
KOPPES RICHARD
|
1,500 |
View Filing |
|
03/11/2009
|
BLOTT PETER J
|
4,750 |
View Filing |
|
03/11/2009
|
KARLSON ELISA A.
|
5,322 |
View Filing |
|
04/20/2009
|
CHAUDHURI BHASKAR
|
1,703 |
View Filing |
|
04/27/2009
|
CHAUDHURI BHASKAR
|
1,732 |
View Filing |
|
05/04/2009
|
CHAUDHURI BHASKAR
|
1,760 |
View Filing |
|
05/07/2009
|
PEARSON J. MICHAEL
|
7,000 |
View Filing |
|
05/07/2009
|
VALUEACT HOLDINGS, L.P.
VA PARTNERS I, LLC
VALUEACT CAPITAL MANAGEMENT, L.P.
VALUEACT CAPITAL MANAGEMENT, LLC
VALUEACT HOLDINGS GP, LLC
|
1,637,514 |
View Filing |
|
05/12/2009
|
STEFANO STEPHEN F.
|
2,000 |
View Filing |
|
05/14/2009
|
MELAS KYRIAZI THEO
|
15,000 |
View Filing |
|
05/12/2009
|
VALUEACT HOLDINGS, L.P.
VA PARTNERS I, LLC
VALUEACT CAPITAL MANAGEMENT, L.P.
VALUEACT CAPITAL MANAGEMENT, LLC
VALUEACT HOLDINGS GP, LLC
|
898,115 |
View Filing |
|
05/18/2009
|
CHAUDHURI BHASKAR
|
1,360 |
View Filing |
|
05/15/2009
|
VALUEACT HOLDINGS, L.P.
VA PARTNERS I, LLC
VALUEACT CAPITAL MANAGEMENT, L.P.
VALUEACT CAPITAL MANAGEMENT, LLC
VALUEACT HOLDINGS GP, LLC
|
56,264 |
View Filing |
|
05/26/2009
|
CHAUDHURI BHASKAR
|
1,352 |
View Filing |
|
06/02/2009
|
VALUEACT HOLDINGS, L.P.
VALUEACT CAPITAL MASTER FUND, L.P.
VA PARTNERS I, LLC
VALUEACT CAPITAL MANAGEMENT, L.P.
VALUEACT CAPITAL MANAGEMENT, LLC
VALUEACT HOLDINGS GP, LLC
|
300,000 |
View Filing |
|
06/05/2009
|
VALUEACT HOLDINGS, L.P.
VALUEACT CAPITAL MASTER FUND, L.P.
VA PARTNERS I, LLC
VALUEACT CAPITAL MANAGEMENT, L.P.
VALUEACT CAPITAL MANAGEMENT, LLC
VALUEACT HOLDINGS GP, LLC
|
208,391 |
View Filing |
|
06/10/2009
|
VALUEACT HOLDINGS, L.P.
VALUEACT CAPITAL MASTER FUND, L.P.
VA PARTNERS I, LLC
VALUEACT CAPITAL MANAGEMENT, L.P.
VALUEACT CAPITAL MANAGEMENT, LLC
VALUEACT HOLDINGS GP, LLC
|
168,085 |
View Filing |
|
06/12/2009
|
VALUEACT HOLDINGS, L.P.
VALUEACT CAPITAL MASTER FUND, L.P.
VA PARTNERS I, LLC
VALUEACT CAPITAL MANAGEMENT, L.P.
VALUEACT CAPITAL MANAGEMENT, LLC
VALUEACT HOLDINGS GP, LLC
|
100,000 |
View Filing |
|
06/16/2009
|
VALUEACT HOLDINGS, L.P.
VALUEACT CAPITAL MASTER FUND, L.P.
VA PARTNERS I, LLC
VALUEACT CAPITAL MANAGEMENT, L.P.
VALUEACT CAPITAL MANAGEMENT, LLC
VALUEACT HOLDINGS GP, LLC
|
227,724 |
View Filing |
|
06/19/2009
|
VALUEACT HOLDINGS, L.P.
VALUEACT CAPITAL MASTER FUND, L.P.
VA PARTNERS I, LLC
VALUEACT CAPITAL MANAGEMENT, L.P.
VALUEACT CAPITAL MANAGEMENT, LLC
VALUEACT HOLDINGS GP, LLC
|
139,100 |
View Filing |
|
06/24/2009
|
VALUEACT HOLDINGS, L.P.
VALUEACT CAPITAL MASTER FUND, L.P.
VA PARTNERS I, LLC
VALUEACT CAPITAL MANAGEMENT, L.P.
VALUEACT CAPITAL MANAGEMENT, LLC
VALUEACT HOLDINGS GP, LLC
|
51,600 |
View Filing |
|
06/29/2009
|
VALUEACT HOLDINGS, L.P.
VALUEACT CAPITAL MASTER FUND, L.P.
VA PARTNERS I, LLC
VALUEACT CAPITAL MANAGEMENT, L.P.
VALUEACT CAPITAL MANAGEMENT, LLC
VALUEACT HOLDINGS GP, LLC
|
900 |
View Filing |
|
07/02/2009
|
VALUEACT HOLDINGS, L.P.
VALUEACT CAPITAL MASTER FUND, L.P.
VA PARTNERS I, LLC
VALUEACT CAPITAL MANAGEMENT, L.P.
VALUEACT CAPITAL MANAGEMENT, LLC
VALUEACT HOLDINGS GP, LLC
|
57,510 |
View Filing |
|
07/08/2009
|
VALUEACT HOLDINGS, L.P.
VALUEACT CAPITAL MASTER FUND, L.P.
VA PARTNERS I, LLC
VALUEACT CAPITAL MANAGEMENT, L.P.
VALUEACT CAPITAL MANAGEMENT, LLC
VALUEACT HOLDINGS GP, LLC
|
250,000 |
View Filing |
|
07/13/2009
|
VALUEACT HOLDINGS, L.P.
VALUEACT CAPITAL MASTER FUND, L.P.
VA PARTNERS I, LLC
VALUEACT CAPITAL MANAGEMENT, L.P.
VALUEACT CAPITAL MANAGEMENT, LLC
VALUEACT HOLDINGS GP, LLC
|
150,000 |
View Filing |
|
07/16/2009
|
VALUEACT HOLDINGS, L.P.
VALUEACT CAPITAL MASTER FUND, L.P.
VA PARTNERS I, LLC
VALUEACT CAPITAL MANAGEMENT, L.P.
VALUEACT CAPITAL MANAGEMENT, LLC
VALUEACT HOLDINGS GP, LLC
|
150,000 |
View Filing |
|
07/21/2009
|
VALUEACT HOLDINGS, L.P.
VALUEACT CAPITAL MASTER FUND, L.P.
VA PARTNERS I, LLC
VALUEACT CAPITAL MANAGEMENT, L.P.
VALUEACT CAPITAL MANAGEMENT, LLC
VALUEACT HOLDINGS GP, LLC
|
100,000 |
View Filing |
|
07/24/2009
|
VALUEACT HOLDINGS, L.P.
VALUEACT CAPITAL MASTER FUND, L.P.
VA PARTNERS I, LLC
VALUEACT CAPITAL MANAGEMENT, L.P.
VALUEACT CAPITAL MANAGEMENT, LLC
VALUEACT HOLDINGS GP, LLC
|
39,400 |
View Filing |
|
08/10/2009
|
STEFANO STEPHEN F.
|
1,870 |
View Filing |
|
08/14/2009
|
CHAUDHURI BHASKAR
|
3,373 |
View Filing |
|
08/24/2009
|
DE SILVA RAJIV
|
9,007 |
View Filing |
|
09/04/2009
|
STEFANO STEPHEN F.
|
2,875 |
View Filing |
|
11/04/2009
|
STEFANO STEPHEN F.
|
1,635 |
View Filing |
|
11/10/2009
|
CHAUDHURI BHASKAR
|
1,525 |
View Filing |
|
11/12/2009
|
PROVENCIO NORMA ANN
|
1,000 |
View Filing |
|
11/18/2009
|
CHAUDHURI BHASKAR
|
2,385 |
View Filing |
|
11/18/2009
|
HEALTHCOR OFFSHORE GP, LLC
HEALTHCOR HYBRID OFFSHORE GP, LLC
HEALTHCOR HYBRID OFFSHORE MASTER FUND, L.P.
HEALTHCOR OFFSHORE MASTER FUND, L.P.
|
0 |
View Filing |
|
11/18/2009
|
HEALTHCOR MANAGEMENT, L.P.
HEALTHCOR CAPITAL, L.P.
HEALTHCOR ASSOCIATES, LLC
HEALTHCOR GROUP, LLC
HEALTHCOR L P
COHEN ARTHUR BRUCE
HEALEY JOSEPH PATRICK
|
0 |
View Filing |
|
11/20/2009
|
CHAUDHURI BHASKAR
|
3,000 |
View Filing |
|
03/01/2010
|
STEFANO STEPHEN F.
|
3,300 |
View Filing |