| B |
2011-04-04 18:49:48.0 |
TOLLGRADE COMMUNICATIONS INC |
TLGD |
Starboard Value LP |
16.0% |
view |
| B |
2011-02-14 13:54:04.0 |
TOLLGRADE COMMUNICATIONS INC |
TLGD |
WELLINGTON MANAGEMENT CO LLP |
5.21% |
view |
| S |
2011-02-11 13:11:15.0 |
TOLLGRADE COMMUNICATIONS INC |
TLGD |
RENAISSANCE TECHNOLOGIES LLC |
5.55% |
view |
| B |
2010-02-08 10:40:47.0 |
TOLLGRADE COMMUNICATIONS INC |
TLGD |
DIMENSIONAL FUND ADVISORS LP |
8.78% |
view |
| S |
2009-10-05 17:29:18.0 |
TOLLGRADE COMMUNICATIONS INC |
TLGD |
RAMIUS LLC |
16.5% |
view |
| B |
2009-08-07 16:45:48.0 |
TOLLGRADE COMMUNICATIONS INC |
TLGD |
RAMIUS LLC |
16.5% |
view |