| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 09 Aug 2021 | 05 Aug 2021 | 001-13490 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Dec 2019 | 19 Dec 2019 | 001-13490 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Jul 2019 | 29 Jul 2019 | 001-13490 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Jul 2018 | 12 Jul 2018 | 001-13490 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Feb 2017 | 10 Feb 2017 | 001-13490 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Jan 2016 | 12 Jan 2016 | 000-25142 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 May 2015 | 27 May 2015 | 000-25142 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Dec 2014 | 15 Dec 2014 | 000-25142 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Jan 2014 | 22 Jan 2014 | 000-25142 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jan 2014 | 31 Dec 2013 | 000-25142 |