| HDSN 0000925528 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2015-07-22 | DEF 14A | DEF 14A | View Document |
| 2015-07-13 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-07-10 | PRE 14A | FORM PRE 14A | View Document |
| 2015-07-08 | 8-K | FORM 8-K | View Document |
| 2015-07-02 | SC 13G/A | SC 13G/A | View Document |
| 2015-06-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-06-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-06-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-05-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-05-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-05-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-05-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-05-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-05-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-05-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-05-06 | 10-Q | 10-Q | View Document |
| 2015-05-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-04-29 | 8-K | FORM 8-K | View Document |
| 2015-03-24 | 4/A | PRIMARY DOCUMENT | View Document |
| 2015-03-24 | S-8 | FORM S-8 | View Document |
| 2015-03-23 | 4/A | PRIMARY DOCUMENT | View Document |
| 2015-03-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-03-16 | 10-K | 10-K | View Document |
| 2015-03-13 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-03-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-03-04 | 8-K | FORM 8-K | View Document |
| 2015-02-13 | SC 13G/A | SCHEDULE 13G (AMENDMENT NO. 1) | View Document |
| 2015-02-13 | SC 13G/A | View Document | |
| 2015-02-13 | SC 13G | SCHEDULE 13G | View Document |
| 2015-02-10 | SC 13G/A | View Document | |
| 2015-02-04 | SC 13G/A | SC 13G/A | View Document |
| 2015-01-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-01-21 | 8-K | FORM 8-K | View Document |
| 2015-01-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-01-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2015-01-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2014-12-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2014-12-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2014-12-23 | 4/A | PRIMARY DOCUMENT | View Document |
| 2014-12-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2014-12-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2014-12-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2014-10-29 | 10-Q | FORM 10-Q | View Document |
| 2014-10-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2014-10-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2014-10-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2014-10-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2014-10-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2014-10-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2014-10-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2014-10-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2014-10-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2014-10-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2014-10-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2014-09-26 | 3 | PRIMARY DOCUMENT | View Document |
| 2014-09-26 | 3 | PRIMARY DOCUMENT | View Document |
| 2014-09-19 | 8-K | FORM 8-K | View Document |
| 2014-09-04 | DEFA14A | DEFA14A | View Document |
| 2014-08-14 | ARS | AUTO-GENERATED PAPER DOCUMENT | View Document |
| 2014-08-12 | DEF 14A | DEF 14A | View Document |
| 2014-07-31 | 10-Q | FORM 10-Q | View Document |
| 2014-07-31 | PRE 14A | FORM PRE 14A | View Document |
| 2014-07-30 | 8-K | FORM 8-K | View Document |
| 2014-07-07 | 8-K | FORM 8-K | View Document |
| 2014-06-16 | SC 13G | SCHEDULE 13G | View Document |
| 2014-06-06 | 424B5 | FORM 424B5 | View Document |
| 2014-06-06 | 8-K | FORM 8-K | View Document |
| 2014-06-05 | 424B5 | 424B5 | View Document |
| 2014-04-29 | 10-Q | FORM 10-Q | View Document |
| 2014-04-23 | 8-K | FORM 8-K | View Document |
| 2014-03-07 | SC 13G/A | SC 13G/A | View Document |
| 2014-02-28 | 10-K | FORM 10-K | View Document |
| 2014-02-26 | 8-K | FORM 8-K | View Document |
| 2014-02-14 | SC 13G/A | SC13G (AMENDMENT 3) | View Document |
| 2014-02-14 | SC 13G | View Document | |
| 2014-02-06 | SC 13G | SC 13G | View Document |
| 2014-01-23 | SC 13G/A | HUDSON TECHNOLOGIES | View Document |
| 2013-12-31 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-12-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-12-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-12-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-12-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-11-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-11-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-11-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-11-08 | 10-Q | FORM 10-Q | View Document |
| 2013-10-31 | 8-K | FORM 8-K | View Document |
| 2013-10-30 | 8-K | FORM 8-K | View Document |
| 2013-08-28 | 8-K | FORM 8-K | View Document |
| 2013-08-06 | 10-Q | 10-Q | View Document |
| 2013-08-01 | DEFR14A | DEFR14A | View Document |
| 2013-07-31 | ARS | AUTO-GENERATED PAPER DOCUMENT | View Document |
| 2013-07-30 | 8-K | FORM 8-K | View Document |
| 2013-07-29 | DEF 14A | DEF 14A | View Document |
| 2013-07-05 | 8-K | CURRENT REPORT | View Document |
| 2013-06-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-06-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-22 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2013-05-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2013-05-09 | 4 | PRIMARY DOCUMENT | View Document |
