FILINGS
| DWSN 0000799165 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2018-01-02 | 4 | 4 | View Document |
| 2018-01-02 | 4 | 4 | View Document |
| 2018-01-02 | 4 | 4 | View Document |
| 2017-12-18 | 4 | 4 | View Document |
| 2017-12-13 | 4 | 4 | View Document |
| 2017-12-12 | 4 | 4 | View Document |
| 2017-12-07 | 4 | 4 | View Document |
| 2017-12-07 | 4 | 4 | View Document |
| 2017-12-07 | 4 | 4 | View Document |
| 2017-11-03 | 10-Q | 10-Q | View Document |
| 2017-11-02 | 8-K | 8-K | View Document |
| 2017-10-26 | 8-K | 8-K | View Document |
| 2017-10-03 | 4 | 4 | View Document |
| 2017-10-03 | 4 | 4 | View Document |
| 2017-10-03 | 4 | 4 | View Document |
| 2017-10-03 | 4 | 4 | View Document |
| 2017-10-03 | 4 | 4 | View Document |
| 2017-10-03 | 4 | 4 | View Document |
| 2017-08-11 | 4 | 4 | View Document |
| 2017-08-11 | 4 | 4 | View Document |
| 2017-08-11 | 4 | 4 | View Document |
| 2017-08-11 | 4 | 4 | View Document |
| 2017-08-11 | 4 | 4 | View Document |
| 2017-08-04 | 10-Q | 10-Q | View Document |
| 2017-08-03 | 8-K | 8-K | View Document |
| 2017-07-27 | 8-K | 8-K | View Document |
| 2017-07-10 | SC 13G/A | View Document | |
| 2017-07-05 | 4 | 4 | View Document |
| 2017-07-05 | 4 | 4 | View Document |
| 2017-07-05 | 4 | 4 | View Document |
| 2017-07-05 | 4 | 4 | View Document |
| 2017-07-05 | 4 | 4 | View Document |
| 2017-07-05 | 4 | 4 | View Document |
| 2017-06-30 | 8-K | 8-K | View Document |
| 2017-06-01 | 4 | 4 | View Document |
| 2017-05-19 | 4 | 4 | View Document |
| 2017-05-18 | 4 | 4 | View Document |
| 2017-05-17 | 4/A | 4/A | View Document |
| 2017-05-16 | 4 | 4 | View Document |
| 2017-05-09 | 10-Q | 10-Q | View Document |
| 2017-05-04 | 8-K | 8-K | View Document |
| 2017-04-27 | 8-K | 8-K | View Document |
| 2017-04-04 | 4 | 4 | View Document |
| 2017-04-04 | 4/A | 4/A | View Document |
| 2017-04-03 | 4 | 4 | View Document |
| 2017-04-03 | 4 | 4 | View Document |
| 2017-04-03 | 4 | 4 | View Document |
| 2017-04-03 | 4 | 4 | View Document |
| 2017-04-03 | 4 | 4 | View Document |
| 2017-03-22 | DEF 14A | DEF 14A | View Document |
| 2017-03-14 | 4/A | 4/A | View Document |
| 2017-03-13 | 10-K | 10-K | View Document |
| 2017-03-02 | 8-K | 8-K | View Document |
| 2017-02-23 | 8-K | 8-K | View Document |
| 2017-02-17 | 4 | 4 | View Document |
| 2017-02-14 | SC 13G | 13G | View Document |
| 2017-02-09 | SC 13G | SCHEDULE 13G | View Document |
| 2017-01-23 | SC 13G/A | View Document | |
| 2017-01-03 | 4 | 4 | View Document |
| 2017-01-03 | 4 | 4 | View Document |
| 2017-01-03 | 4 | 4 | View Document |
| 2017-01-03 | 4 | 4 | View Document |
| 2017-01-03 | 4 | 4 | View Document |
| 2017-01-03 | 4 | 4 | View Document |
| 2016-12-07 | 4 | 4 | View Document |
| 2016-12-07 | 4 | 4 | View Document |
| 2016-12-07 | 4 | 4 | View Document |
| 2016-11-16 | 4 | 4 | View Document |
| 2016-11-07 | 10-Q | 10-Q | View Document |
| 2016-11-03 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2016-10-27 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2016-10-06 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2016-10-04 | 4 | 4 | View Document |
| 2016-10-04 | 4 | 4 | View Document |
| 2016-10-04 | 4 | 4 | View Document |
| 2016-10-04 | 4 | 4 | View Document |
| 2016-10-04 | 4 | 4 | View Document |
| 2016-10-04 | 4 | 4 | View Document |
| 2016-09-19 | 4 | 4 | View Document |
| 2016-08-09 | 10-Q | QUARTERLY REPORT PURSUANT TO SECTIONS 13 OR 15(D) | View Document |
| 2016-08-04 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2016-08-02 | SC 13G/A | DWSN 13G GWI | View Document |
| 2016-07-28 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2016-07-18 | S-8 | SECURITIES TO BE OFFERED TO EMPLOYEES PURSUANT TO EMPLOYEE BENEFIT PLANS | View Document |
| 2016-07-01 | 4 | 4 | View Document |
| 2016-07-01 | 4 | 4 | View Document |
| 2016-07-01 | 4 | 4 | View Document |
| 2016-07-01 | 4 | 4 | View Document |
| 2016-07-01 | 4 | 4 | View Document |
| 2016-07-01 | 4 | 4 | View Document |
| 2016-06-03 | 4 | 4 | View Document |
| 2016-05-25 | 4 | 4 | View Document |
| 2016-05-16 | 4 | 4 | View Document |
| 2016-05-16 | 4 | 4 | View Document |
| 2016-05-16 | 4 | 4 | View Document |
| 2016-05-16 | 4 | 4 | View Document |
| 2016-05-16 | 4 | 4 | View Document |
| 2016-05-16 | 4 | 4 | View Document |
| 2016-05-10 | 10-Q | QUARTERLY REPORT PURSUANT TO SECTIONS 13 OR 15(D) | View Document |
| 2016-05-10 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
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