| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 08 Dec 2021 | 29 Oct 2021 | 001-10986 | |
| 4 | Open Document | Open Filing | 02 Jul 2021 | 30 Jun 2021 | 001-10986 | |
| 4 | Open Document | Open Filing | 02 Jul 2020 | 30 Jun 2020 | 001-10986 | |
| 4 | Open Document | Open Filing | 20 May 2020 | 14 May 2020 | 001-10986 | |
| 4/A | Open Document | Open Filing | 06 Dec 2019 | 22 Nov 2019 | 001-10986 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Nov 2019 | 22 Nov 2019 | 001-10986 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Oct 2019 | 27 Sep 2019 | 001-10986 |