| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Aug 2022 | 23 Aug 2022 | 000-11412 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Sep 2021 | 08 Sep 2021 | 000-11412 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Nov 2020 | 17 Nov 2020 | 000-11412 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Mar 2020 | 13 Mar 2020 | 000-11412 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Mar 2020 | 10 Mar 2020 | 000-11412 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Nov 2018 | 27 Nov 2018 | 000-11412 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Nov 2017 | 27 Nov 2017 | 000-11412 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Nov 2015 | 17 Nov 2015 | 000-11412 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2015 | 26 May 2015 | 000-11412 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2015 | 20 May 2015 | 000-11412 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Nov 2014 | 19 Nov 2014 | 000-11412 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2014 | 28 Feb 2014 | 000-11412 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2014 | 19 Feb 2014 | 000-11412 |