| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Oct 2021 | 05 Oct 2021 | 001-37670 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Apr 2021 | 13 Apr 2021 | 001-37670 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 11 Dec 2020 | 30 Nov 2020 | 001-37670 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2019 | 13 Feb 2019 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Dec 2018 | 26 Dec 2018 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Dec 2018 | 18 Dec 2018 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Aug 2018 | 15 Aug 2018 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2018 | 14 Feb 2018 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2017 | 15 Aug 2017 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Apr 2017 | 15 Apr 2017 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Feb 2017 | 07 Feb 2017 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2017 | 01 Feb 2017 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2016 | 15 Aug 2016 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2016 | 20 May 2016 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Apr 2016 | 15 Apr 2016 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2016 | 10 Feb 2016 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2016 | 01 Feb 2016 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jan 2016 | 15 Jan 2016 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2015 | 15 Dec 2015 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2015 | 11 Nov 2015 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2015 | 15 Sep 2015 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2015 | 15 Aug 2015 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jul 2015 | 15 Jul 2015 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2015 | 15 Jun 2015 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2015 | 15 May 2015 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Apr 2015 | 15 Apr 2015 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2015 | 11 Feb 2015 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jan 2015 | 01 Dec 2014 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Sep 2014 | 15 Sep 2014 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Aug 2014 | 26 Aug 2014 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Aug 2014 | 15 Aug 2014 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2014 | 07 May 2014 | 001-12534 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2014 | 12 Feb 2014 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2014 | 12 Feb 2014 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2014 | 11 Feb 2014 | 001-12534 |