FILINGS
| DWSN 0000799165 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2016-05-05 | 8-K | 8-K | View Document |
| 2016-05-04 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2016-04-13 | 4 | 4 | View Document |
| 2016-04-13 | 4 | 4 | View Document |
| 2016-04-13 | 4 | 4 | View Document |
| 2016-04-13 | 4 | 4 | View Document |
| 2016-04-13 | 4 | 4 | View Document |
| 2016-04-13 | 4 | 4 | View Document |
| 2016-03-25 | DEF 14A | DEF 14A | View Document |
| 2016-03-25 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2016-03-16 | 10-K | 10-K | View Document |
| 2016-03-15 | NT 10-K | NOTICE OF INABILITY TO TIMELY FILE A FORM 10-K OR 10-KT | View Document |
| 2016-03-15 | 8-K/A | AMENDMENT TO FORM 8-K | View Document |
| 2016-03-11 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2016-03-07 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2016-03-01 | 4/A | 4/A | View Document |
| 2016-03-01 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2016-02-19 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2016-02-11 | SC 13G/A | ROBECO INVESTMENT MANAGEMENT INC. | View Document |
| 2016-02-09 | SC 13G | SCHEDULE 13G | View Document |
| 2016-02-04 | SC 13G/A | View Document | |
| 2016-01-28 | SC 13G | View Document | |
| 2016-01-21 | SC 13G/A | View Document | |
| 2015-12-04 | SC 13G/A | View Document | |
| 2015-12-04 | 3 | PRIMARY DOCUMENT | View Document |
| 2015-12-03 | 4/A | 4/A | View Document |
| 2015-12-03 | 4/A | 4/A | View Document |
| 2015-12-03 | 4/A | 4/A | View Document |
| 2015-12-03 | 4/A | 4/A | View Document |
| 2015-12-03 | 4 | 4 | View Document |
| 2015-12-03 | 4 | 4 | View Document |
| 2015-12-02 | 4 | 4 | View Document |
| 2015-12-02 | 4 | 4 | View Document |
| 2015-12-02 | 4 | 4 | View Document |
| 2015-12-02 | 4 | 4 | View Document |
| 2015-11-06 | 10-Q | QUARTERLY REPORT PURSUANT TO SECTIONS 13 OR 15(D) | View Document |
| 2015-11-05 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-10-29 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-09-23 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-08-07 | 10-Q | QUARTERLY REPORT PURSUANT TO SECTIONS 13 OR 15(D) | View Document |
| 2015-08-07 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-07-31 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-07-02 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-06-16 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-06-10 | 4 | 4 | View Document |
| 2015-06-10 | 4 | 4 | View Document |
| 2015-06-10 | 4 | 4 | View Document |
| 2015-06-10 | 4 | 4 | View Document |
| 2015-06-05 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-06-02 | S-8 | SECURITIES TO BE OFFERED TO EMPLOYEES PURSUANT TO EMPLOYEE BENEFIT PLANS | View Document |
| 2015-05-18 | 10-Q | QUARTERLY REPORT PURSUANT TO SECTIONS 13 OR 15(D) | View Document |
| 2015-05-18 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-05-08 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-05-08 | NT 10-Q | NOTICE OF INABILITY TO TIMELY FILE A FORM 10-Q | View Document |
| 2015-04-30 | 8-K/A | AMENDMENT TO FORM 8-K | View Document |
| 2015-04-30 | DEF 14A | DEF 14A | View Document |
| 2015-03-23 | 10-QT | 10-QT | View Document |
| 2015-03-23 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-03-16 | 10-K | ANNUAL REPORT PURSUANT TO SECTION 13 AND 15(D) | View Document |
| 2015-03-10 | SC 13G/A | View Document | |
| 2015-03-02 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-02-25 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-02-17 | SC 13G | SC 13G | View Document |
| 2015-02-13 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-02-12 | 4 | 4 | View Document |
| 2015-02-12 | 4 | 4 | View Document |
| 2015-02-12 | 4 | 4 | View Document |
| 2015-02-12 | 4 | 4 | View Document |
| 2015-02-12 | 4 | 4 | View Document |
| 2015-02-12 | 4 | 4 | View Document |
| 2015-02-12 | 4 | 4 | View Document |
| 2015-02-12 | 4 | 4 | View Document |
| 2015-02-12 | 3 | 3 | View Document |
| 2015-02-12 | 3 | 3 | View Document |
| 2015-02-12 | 3 | 3 | View Document |
| 2015-02-12 | 3 | 3 | View Document |
| 2015-02-12 | 3 | 3 | View Document |
| 2015-02-12 | 3 | 3 | View Document |
| 2015-02-12 | 3 | 3 | View Document |
| 2015-02-12 | 3 | 3 | View Document |
| 2015-02-12 | S-8 POS | POST-EFFECTIVE AMENDMENT TO A S-8 REGISTRATION STATEMENT | View Document |
| 2015-02-12 | SC 13G/A | View Document | |
| 2015-02-12 | 4 | FORM 4 - | View Document |
| 2015-02-12 | 4 | FORM 4 - | View Document |
| 2015-02-12 | 4 | FORM 4 - | View Document |
| 2015-02-11 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-02-11 | SC 13G | ROBECO INVESTMENT MANAGEMENT INC. | View Document |
| 2015-02-09 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-02-09 | 425 | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-02-06 | S-8 | SECURITIES TO BE OFFERED TO EMPLOYEES PURSUANT TO EMPLOYEE BENEFIT PLANS | View Document |
| 2015-02-06 | SC 13G/A | SCHEDULE 13G HOLDINGS REPORT AMENDMENT | View Document |
| 2015-02-02 | SC 13G/A | View Document | |
| 2015-01-28 | SC 13G/A | View Document | |
| 2015-01-22 | SC 13G/A | View Document | |
| 2015-01-15 | DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | View Document |
| 2015-01-13 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-01-13 | 425 | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-01-05 | 8-K | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2015-01-05 | 425 | CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES | View Document |
| 2014-12-31 | EFFECT | View Document | |
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