|
Form
|
|
(Filer)
|
Received
(
Period
)
|
| 4 |
 |
NATURAL GAS SERVICES GROUP INC (HUGHES WILLIAM F JR) |
05/16/13 (05/14/13) |
| 8-K |
|
NATURAL GAS SERVICES GROUP INC |
05/14/13 (05/09/13) |
| 10-Q |
|
NATURAL GAS SERVICES GROUP INC |
05/10/13 (03/31/13) |
| 8-K |
|
NATURAL GAS SERVICES GROUP INC |
05/07/13 (05/06/13) |
| 4 |
|
NATURAL GAS SERVICES GROUP INC(TAYLOR STEPHEN CHARLES) |
05/02/13 (04/30/13) |
| DEFA14A |
|
NATURAL GAS SERVICES GROUP INC |
05/01/13 |
| DEF 14A |
|
NATURAL GAS SERVICES GROUP INC |
04/29/13 (06/12/13) |
| 8-K |
|
NATURAL GAS SERVICES GROUP INC |
03/26/13 (03/21/13) |
| 4 |
|
NATURAL GAS SERVICES GROUP INC(CHISHOLM JOHN) |
03/25/13 (03/21/13) |
| 4 |
|
NATURAL GAS SERVICES GROUP INC(CURTIS CHARLES G) |
03/25/13 (03/21/13) |
| 4 |
|
NATURAL GAS SERVICES GROUP INC(BRADSHAW DAVID L) |
03/25/13 (03/21/13) |
| 4 |
|
NATURAL GAS SERVICES GROUP INC(HAZLETT JAMES R) |
03/25/13 (03/21/13) |
| 4 |
|
NATURAL GAS SERVICES GROUP INC(HUGHES WILLIAM F JR) |
03/25/13 (03/21/13) |
| 4 |
|
NATURAL GAS SERVICES GROUP INC(LAWRENCE G LARRY) |
03/25/13 (03/21/13) |
| 4 |
|
NATURAL GAS SERVICES GROUP INC(HAZLETT JAMES R) |
03/20/13 (03/18/13) |
| 10-K |
|
NATURAL GAS SERVICES GROUP INC |
03/15/13 (12/31/12) |
| 8-K |
|
NATURAL GAS SERVICES GROUP INC |
03/14/13 (03/13/13) |
| EFFECT |
|
NATURAL GAS SERVICES GROUP INC |
02/19/13 |
| 8-K |
|
NATURAL GAS SERVICES GROUP INC |
02/14/13 (02/14/13) |
| SC 13G/A |
|
NATURAL GAS SERVICES GROUP INC(NEUBERGER BERMAN GROUP LLC) |
02/13/13 |