| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2023 | 07 Mar 2023 | 001-31822 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jun 2022 | 31 May 2022 | 001-31822 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Dec 2021 | 30 Sep 2021 | 001-31822 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 May 2021 | 20 May 2021 | 001-31822 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Apr 2021 | 09 Apr 2021 | 001-31822 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2021 | 19 Feb 2021 | 001-31822 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Apr 2020 | 01 Apr 2020 | 001-31822 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Mar 2020 | 01 Apr 2019 | 001-31822 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Apr 2019 | 08 Apr 2019 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2019 | 16 Feb 2019 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2019 | 05 Feb 2019 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jul 2018 | 03 Jul 2018 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2018 | 02 Jul 2018 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 May 2018 | 23 May 2018 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2018 | 07 May 2018 | 001-37556 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Apr 2018 | 01 Apr 2018 | 001-31822 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2018 | 16 Feb 2018 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2018 | 05 Feb 2018 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2018 | 02 Jan 2018 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Dec 2017 | 04 Dec 2017 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Nov 2017 | 27 Nov 2017 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Nov 2017 | 13 Nov 2017 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Oct 2017 | 30 Oct 2017 | 001-37556 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Apr 2017 | 01 Apr 2017 | 001-31822 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2017 | 24 Feb 2017 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2017 | 16 Feb 2017 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2017 | 05 Feb 2017 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Dec 2016 | 12 Sep 2016 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2016 | 13 Dec 2016 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Dec 2016 | 06 Dec 2016 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jul 2016 | 08 Jul 2016 | 001-37556 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jul 2016 | 01 Jul 2016 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2016 | 01 Jul 2016 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2016 | 15 Jun 2016 | 001-37556 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Apr 2016 | 01 Apr 2016 | 001-31822 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Apr 2016 | 01 Apr 2016 | 001-31822 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Mar 2016 | 26 Feb 2016 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2016 | 26 Feb 2016 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Feb 2016 | 05 Feb 2016 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Dec 2015 | 30 Mar 2015 | 001-37556 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Apr 2015 | 02 Apr 2015 | 001-31822 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Feb 2015 | 06 Feb 2015 | 000-21229 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Dec 2014 | 19 Dec 2014 | 000-21229 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Nov 2014 | 21 Nov 2014 | 000-21229 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Oct 2014 | 27 Oct 2014 | 000-21229 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Apr 2014 | 03 Apr 2014 | 001-31822 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2014 | 11 Feb 2014 | 000-21229 |