|
Form
|
|
(Filer)
|
Received
(
Period
)
|
| SC 13G/A |
 |
KNIGHT TRANSPORTATION INC (WASATCH ADVISORS INC) |
02/14/13 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(BLACKROCK INC.) |
02/11/13 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(WASATCH ADVISORS INC) |
02/14/12 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(BLACKROCK INC.) |
02/13/12 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(WASATCH ADVISORS INC) |
09/12/11 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(FMR LLC) |
02/14/11 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(BLACKROCK INC.) |
10/08/10 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(RUANE, CUNNIFF & GOLDFARB INC) |
02/17/10 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(FMR LLC) |
02/16/10 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(WASATCH ADVISORS INC) |
02/17/09 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(FMR LLC) |
02/17/09 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(RUANE, CUNNIFF & GOLDFARB INC) |
02/13/09 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(FMR LLC) |
10/10/08 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(RUANE, CUNNIFF & GOLDFARB INC) |
10/10/08 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(WELLINGTON MANAGEMENT CO LLP) |
09/10/08 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(RUANE, CUNNIFF & GOLDFARB INC) |
08/11/08 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(FMR LLC) |
02/14/08 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(WASATCH ADVISORS INC) |
02/14/08 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(RUANE, CUNNIFF & GOLDFARB INC) |
02/14/08 |
| SC 13G/A |
|
KNIGHT TRANSPORTATION INC(WELLINGTON MANAGEMENT CO LLP) |
02/14/08 |