| GHM 0000716314 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2019-06-27 | DEF 14A | DEF 14A | View Document |
| 2019-06-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-06-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-06-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-06-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-05-31 | 8-K | 8-K | View Document |
| 2019-05-31 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-05-31 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-05-31 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-05-31 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-05-31 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-05-31 | SD | FORM SD | View Document |
| 2019-05-31 | 10-K | 10-K | View Document |
| 2019-05-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-05-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-05-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-05-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-05-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-05-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-05-30 | 8-K | 8-K | View Document |
| 2019-03-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-03-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-02-14 | SC 13G/A | SCHEDULE 13G HOLDINGS REPORT AMENDMENT | View Document |
| 2019-02-13 | SC 13G | View Document | |
| 2019-02-11 | SC 13G | View Document | |
| 2019-02-11 | SC 13G/A | SC 13G/A | View Document |
| 2019-02-04 | SC 13G/A | View Document | |
| 2019-02-01 | 10-Q | 10-Q | View Document |
| 2019-01-30 | 8-K | FORM 8-K | View Document |
| 2019-01-25 | SC 13G | SCHEDULE 13G HOLDINGS REPORT | View Document |
| 2019-01-15 | 8-K | FORM 8-K | View Document |
| 2018-11-08 | 10-Q | 10-Q | View Document |
| 2018-11-08 | 8-K | FORM 8-K | View Document |
| 2018-09-11 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-09-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-08-28 | 8-K | FORM 8-K | View Document |
| 2018-08-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-08-13 | 8-K | FORM 8-K | View Document |
| 2018-08-06 | 10-Q | 10-Q | View Document |
| 2018-08-03 | 8-K | 8-K | View Document |
| 2018-06-28 | DEFA14A | DEFA14A | View Document |
| 2018-06-28 | DEF 14A | DEF 14A | View Document |
| 2018-06-27 | 11-K | FORM 11-K | View Document |
| 2018-06-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-04 | 10-K | 10-K | View Document |
| 2018-06-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-01 | 3 | PRIMARY DOCUMENT | View Document |
| 2018-06-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-01 | 8-K | 8-K | View Document |
| 2018-05-31 | 8-K | FORM 8-K | View Document |
| 2018-05-31 | SD | FORM SD | View Document |
| 2018-05-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-05-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-05-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-05-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-28 | 8-K | FORM 8-K | View Document |
| 2018-02-09 | SC 13G/A | SC 13G/A | View Document |
| 2018-02-09 | SC 13G | 13G | View Document |
| 2018-02-02 | 10-Q | 10-Q | View Document |
| 2018-02-01 | 8-K | FORM 8-K | View Document |
| 2018-01-25 | SC 13G/A | View Document | |
| 2017-10-26 | 10-Q | 10-Q | View Document |
| 2017-10-25 | 8-K | FORM 8-K | View Document |
| 2017-09-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-08-07 | 10-Q | 10-Q | View Document |
| 2017-08-04 | 8-K | FORM 8-K | View Document |
| 2017-07-14 | 8-K | FORM 8-K | View Document |
| 2017-06-29 | 11-K | FORM 11-K | View Document |
| 2017-06-22 | DEFA14A | DEFA14A | View Document |
| 2017-06-22 | DEF 14A | DEF 14A | View Document |
| 2017-06-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-06 | SD | FORM SD | View Document |
| 2017-06-05 | 10-K | GHM-10K-20170331 | View Document |
| 2017-06-05 | 8-K | FORM 8-K | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-06-01 | 8-K | FORM 8-K | View Document |
| 2017-05-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-05-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-05-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-05-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-05-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-05-03 | 4 | PRIMARY DOCUMENT | View Document |
