| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jul 2021 | 01 Jul 2021 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jul 2020 | 02 Jul 2020 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jul 2019 | 01 Jul 2019 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jul 2018 | 12 Jul 2018 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Jul 2017 | 06 Jul 2017 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Aug 2016 | 29 Jul 2016 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Jul 2015 | 28 Jul 2015 | 000-50484 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Dec 2014 | 03 Dec 2014 | 000-50484 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 05 Dec 2014 | 03 Dec 2014 | 000-50484 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Jun 2014 | 23 Jun 2014 | 000-51462 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Jan 2014 | 22 Jan 2014 | 000-51462 |