| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Jun 2022 | 03 Jun 2022 | 001-39448 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Apr 2022 | 22 Apr 2022 | 001-37390 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Apr 2022 | 22 Apr 2022 | 001-39448 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Jan 2022 | 25 Jan 2022 | 001-39448 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Jan 2022 | 24 Jan 2022 | 001-39448 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 May 2021 | 21 Jun 2019 | 001-39448 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Apr 2021 | 15 Apr 2021 | 001-37390 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 May 2020 | 22 May 2020 | 000-55393 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Apr 2020 | 17 Apr 2020 | 001-37390 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Jun 2019 | 22 Dec 2017 | 001-37390 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Jun 2019 | 05 Jun 2019 | 000-55393 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Jun 2018 | 22 Jun 2018 | 000-55393 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 May 2018 | 18 May 2018 | 001-37390 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Oct 2017 | 06 Oct 2017 | 000-55393 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Sep 2017 | 08 Sep 2017 | 000-55201 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Jul 2017 | 21 Jul 2017 | 001-37390 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Jul 2017 | 21 Jul 2017 | 000-55201 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 Dec 2016 | 29 Dec 2016 | 001-37390 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 Dec 2016 | 21 Dec 2016 | 000-55201 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Dec 2016 | 22 Dec 2016 | 001-37390 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Aug 2016 | 28 Jul 2016 | 000-55393 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Aug 2016 | 12 Feb 2016 | 000-55393 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Aug 2016 | 28 Jul 2016 | 000-55624 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 May 2016 | 29 Apr 2016 | 000-55624 |