| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 08 Sep 2021 | 02 Sep 2021 | 001-38747 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Sep 2020 | 03 Sep 2020 | 001-38747 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Dec 2019 | 20 Dec 2019 | 001-38747 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Sep 2019 | 05 Sep 2019 | 001-38747 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Dec 2018 | 20 Dec 2018 | 001-38747 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Sep 2018 | 06 Sep 2018 | 000-23246 |
| 5 | Open Document | Open Filing | FORM 5 | 11 Jun 2018 | 28 Apr 2018 | 000-23246 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Dec 2017 | 22 Dec 2017 | 000-23246 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2017 | 02 Oct 2017 | 000-23246 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Sep 2017 | 31 Aug 2017 | 000-23246 |
| 4/A | Open Document | Open Filing | FORM 4/A | 01 Feb 2017 | 19 Dec 2016 | 000-23246 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jan 2017 | 17 Jan 2017 | 000-23246 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jan 2017 | 12 Jan 2017 | 000-23246 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2017 | 30 Dec 2016 | 000-23246 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Dec 2016 | 28 Dec 2016 | 000-23246 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Dec 2016 | 27 Dec 2016 | 000-23246 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Dec 2016 | 23 Dec 2016 | 000-23246 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Dec 2016 | 21 Dec 2016 | 000-23246 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Dec 2016 | 19 Dec 2016 | 000-23246 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Dec 2016 | 13 Dec 2016 | 000-23246 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Sep 2016 | 01 Sep 2016 | 000-23246 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Sep 2015 | 03 Sep 2015 | 000-23246 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Dec 2014 | 18 Dec 2014 | 000-23246 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Sep 2014 | 04 Sep 2014 | 000-23246 |