| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Aug 2022 | 16 Aug 2022 | 001-32472 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Jan 2022 | 18 Jan 2022 | 001-32472 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Aug 2021 | 16 Aug 2021 | 001-32472 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Jun 2021 | 01 Jun 2021 | 001-32472 |
| 4 | Open Document | Open Filing | 4 | 11 Aug 2020 | 10 Aug 2020 | 001-32472 |
| 4 | Open Document | Open Filing | 4 | 19 Feb 2019 | 15 Feb 2019 | 001-32472 |
| 4 | Open Document | Open Filing | 4 | 01 Jun 2018 | 30 May 2018 | 001-32472 |
| 4 | Open Document | Open Filing | 4 | 11 Aug 2017 | 10 Aug 2017 | 001-32472 |
| 4 | Open Document | Open Filing | 4 | 16 May 2016 | 15 Feb 2016 | 001-32472 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Aug 2014 | 31 Jul 2014 | 001-32472 |