| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Nov 2021 | 28 Oct 2021 | 001-38002 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Mar 2021 | 26 Mar 2021 | 001-38002 |
| 4 | Open Document | Open Filing | 4 | 14 May 2020 | 12 May 2020 | 001-38002 |
| 4 | Open Document | Open Filing | 4 | 02 Jan 2020 | 30 Dec 2019 | 001-38002 |
| 4 | Open Document | Open Filing | 4 | 26 Dec 2019 | 20 Dec 2019 | 001-38002 |
| 4 | Open Document | Open Filing | 4 | 19 Dec 2019 | 17 Dec 2019 | 001-38002 |
| 4 | Open Document | Open Filing | 4 | 03 Apr 2018 | 30 Mar 2018 | 001-38002 |
| 4 | Open Document | Open Filing | 4 | 24 Jul 2017 | 20 Jul 2017 | 001-38002 |
| 4 | Open Document | Open Filing | 4 | 12 Jun 2017 | 10 May 2017 | 001-36520 |
| 4 | Open Document | Open Filing | 4 | 19 Apr 2017 | 17 Apr 2017 | 001-38002 |
| 3/A | Open Document | Open Filing | 3/A | 02 Mar 2017 | 31 Jan 2017 | 001-38002 |
| 4/A | Open Document | Open Filing | 4/A | 09 Feb 2017 | 06 Feb 2017 | 001-38002 |
| 4 | Open Document | Open Filing | 4 | 07 Feb 2017 | 05 Feb 2017 | 001-38002 |
| 3 | Open Document | Open Filing | 3 | 31 Jan 2017 | 31 Jan 2017 | 001-38002 |
| 4 | Open Document | Open Filing | 4 | 05 Jan 2017 | 03 Jan 2017 | 001-36520 |
| 4 | Open Document | Open Filing | 4 | 09 Nov 2016 | 07 Nov 2016 | 001-36520 |
| 4 | Open Document | Open Filing | 4 | 10 Jun 2016 | 08 Jun 2016 | 001-36520 |
| 4 | Open Document | Open Filing | 4 | 06 Jan 2016 | 04 Jan 2016 | 001-36520 |
| 4 | Open Document | Open Filing | 4 | 06 Aug 2015 | 04 Aug 2015 | 001-36520 |
| 4 | Open Document | Open Filing | 4 | 30 Jun 2015 | 29 Jun 2015 | 001-36520 |
| 4 | Open Document | Open Filing | 4 | 13 May 2015 | 11 May 2015 | 001-36520 |
| 4 | Open Document | Open Filing | 4 | 02 Jul 2014 | 30 Jun 2014 | 001-36520 |
| 3 | Open Document | Open Filing | 3 | 25 Jun 2014 | 25 Jun 2014 | 001-36520 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Jan 2014 | 06 Jan 2014 | 000-23741 |