| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Jan 2023 | 15 Jan 2023 | 001-37954 |
| 4 | Open Document | Open Filing | 17 Jun 2021 | 16 Jun 2021 | 001-38892 | |
| 4 | Open Document | Open Filing | 08 Mar 2021 | 04 Mar 2021 | 001-38892 | |
| 4/A | Open Document | Open Filing | 31 Dec 2020 | 24 Sep 2020 | 001-38892 | |
| 4 | Open Document | Open Filing | 31 Dec 2020 | 23 Dec 2020 | 001-38892 | |
| 4 | Open Document | Open Filing | 25 Sep 2020 | 24 Sep 2020 | 001-38892 | |
| 4 | Open Document | Open Filing | 18 Nov 2019 | 13 Nov 2019 | 001-38892 | |
| 4 | Open Document | Open Filing | 13 Nov 2019 | 08 Nov 2019 | 001-38892 | |
| 4 | Open Document | Open Filing | 13 Nov 2019 | 03 Jun 2019 | 001-38892 | |
| 4 | Open Document | Open Filing | 06 Nov 2018 | 02 Nov 2018 | 000-55759 | |
| 3 | Open Document | Open Filing | 06 Nov 2018 | 01 Nov 2018 | 000-55759 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Mar 2015 | 23 Feb 2015 | 000-55347 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Jan 2015 | 06 Jan 2015 | 000-55347 |