| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Dec 2021 | 03 Dec 2021 | 001-32590 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Dec 2021 | 01 Dec 2021 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2021 | 01 Jun 2021 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2021 | 01 Mar 2021 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Dec 2020 | 01 Dec 2020 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Nov 2020 | 18 Nov 2020 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2020 | 01 Sep 2020 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2020 | 01 Jun 2020 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2020 | 01 Mar 2020 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Dec 2019 | 01 Dec 2019 | 001-32590 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Sep 2019 | 03 Sep 2019 | 001-32590 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jul 2019 | 21 Jun 2019 | 001-32590 |