| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 29 Jun 2021 | 28 Jun 2021 | 000-54318 | |
| 4 | Open Document | Open Filing | 16 Sep 2020 | 14 Sep 2020 | 000-54318 | |
| 4 | Open Document | Open Filing | 03 Jun 2020 | 29 May 2020 | 000-54318 | |
| 4 | Open Document | Open Filing | 03 Mar 2020 | 29 Feb 2020 | 001-31326 | |
| 4 | Open Document | Open Filing | 27 Dec 2019 | 26 Dec 2019 | 001-31326 | |
| 4 | Open Document | Open Filing | 27 Sep 2019 | 26 Sep 2019 | 001-31326 | |
| 4 | Open Document | Open Filing | 27 Jun 2019 | 26 Jun 2019 | 001-31326 | |
| 4 | Open Document | Open Filing | 28 Mar 2019 | 26 Mar 2019 | 001-31326 | |
| 4 | Open Document | Open Filing | 31 Jan 2019 | 30 Jan 2019 | 001-31326 | |
| 4 | Open Document | Open Filing | 04 Jan 2019 | 02 Jan 2019 | 000-54318 | |
| 4 | Open Document | Open Filing | 28 Dec 2018 | 26 Dec 2018 | 001-31326 | |
| 4 | Open Document | Open Filing | 09 Nov 2018 | 08 Nov 2018 | 000-54318 | |
| 3 | Open Document | Open Filing | 08 Nov 2018 | 08 Nov 2018 | 000-54318 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 May 2018 | 22 May 2018 | 001-31326 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Mar 2018 | 23 Mar 2018 | 001-31326 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 Dec 2017 | 26 Dec 2017 | 001-31326 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 Dec 2017 | 26 Dec 2017 | 001-31326 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Feb 2017 | 17 Feb 2017 | 001-35726 |
| 4 | Open Document | Open Filing | 4 | 25 Oct 2016 | 25 Oct 2016 | 001-35726 |
| 4 | Open Document | Open Filing | 4 | 12 Feb 2016 | 10 Feb 2016 | 001-35726 |
| 4 | Open Document | Open Filing | 4 | 25 Nov 2015 | 23 Nov 2015 | 001-35726 |
| 4 | Open Document | Open Filing | 4 | 05 Jun 2015 | 04 Jun 2015 | 001-35726 |
| 4 | Open Document | Open Filing | 4 | 19 Dec 2014 | 17 Dec 2014 | 001-35726 |
| 4 | Open Document | Open Filing | 4 | 19 Feb 2014 | 16 Feb 2014 | 001-35726 |
| 3 | Open Document | Open Filing | 3 | 23 Dec 2013 | 16 Dec 2013 | 001-35726 |