| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 10 Nov 2021 | 08 Nov 2021 | 001-40701 | |
| 4 | Open Document | Open Filing | 04 Oct 2021 | 30 Sep 2021 | 001-40701 | |
| 4 | Open Document | Open Filing | 02 Jul 2021 | 30 Jun 2021 | 000-53361 | |
| 4 | Open Document | Open Filing | 02 Apr 2021 | 31 Mar 2021 | 000-53361 | |
| 4 | Open Document | Open Filing | 12 Jan 2021 | 10 Jan 2021 | 000-53361 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Oct 2020 | 30 Sep 2020 | 000-53361 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Aug 2020 | 30 Jun 2020 | 000-53361 |
| 4 | Open Document | Open Filing | 06 May 2020 | 31 Mar 2020 | 000-53361 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Jan 2020 | 31 Dec 2019 | 000-53361 |
| 4 | Open Document | Open Filing | 08 Nov 2019 | 30 Sep 2019 | 000-53361 | |
| 4 | Open Document | Open Filing | 08 Oct 2019 | 30 Jun 2019 | 000-53361 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 May 2019 | 29 Apr 2019 | 000-53361 |
| 4 | Open Document | Open Filing | 29 Jan 2019 | 25 Jan 2019 | 000-53361 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Oct 2018 | 27 Oct 2018 | 000-53361 |
| 4/A | Open Document | Open Filing | 06 Aug 2018 | 31 Mar 2018 | 000-53361 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Jul 2018 | 06 Jul 2018 | 000-53361 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Apr 2018 | 31 Mar 2018 | 000-53361 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jan 2018 | 05 Jan 2018 | 000-53361 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Oct 2017 | 04 Oct 2017 | 000-53361 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jul 2017 | 05 Jul 2017 | 000-53361 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2017 | 21 Apr 2017 | 000-53361 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2015 | 31 Jan 2015 | 001-06140 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2015 | 30 Jan 2015 | 001-06140 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Dec 2014 | 29 Dec 2014 | 001-06140 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Nov 2014 | 24 Nov 2014 | 001-06140 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Oct 2014 | 27 Oct 2014 | 001-06140 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Sep 2014 | 29 Sep 2014 | 001-06140 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2014 | 25 Aug 2014 | 001-06140 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jul 2014 | 28 Jul 2014 | 001-06140 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2014 | 30 Jun 2014 | 001-06140 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2014 | 01 Feb 2014 | 001-06140 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2014 | 27 Feb 2014 | 001-06140 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2014 | 31 Jan 2014 | 001-06140 |