| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 16 Jun 2021 | 14 Jun 2021 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Feb 2020 | 20 Feb 2020 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2019 | 06 Jun 2019 | 000-52049 |
| 4/A | Open Document | Open Filing | FORM 4/A | 05 Nov 2018 | 30 Dec 2016 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Sep 2018 | 04 Sep 2018 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Aug 2018 | 27 Aug 2018 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Aug 2018 | 14 Aug 2018 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Apr 2018 | 05 Apr 2018 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Mar 2017 | 24 Mar 2017 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2017 | 04 Jan 2017 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2017 | 30 Dec 2016 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Feb 2016 | 09 Feb 2016 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jan 2016 | 05 Jan 2016 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jan 2015 | 06 Jan 2015 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Nov 2014 | 17 Nov 2014 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Nov 2014 | 10 Nov 2014 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jan 2014 | 07 Jan 2014 | 000-52049 |