| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Mar 2022 | 22 Mar 2022 | 001-34755 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Mar 2022 | 14 Mar 2022 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Mar 2022 | 14 Mar 2022 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Jan 2022 | 18 Jan 2022 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Oct 2021 | 06 Oct 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 Sep 2021 | 24 Sep 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Sep 2021 | 20 Sep 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Sep 2021 | 16 Sep 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Sep 2021 | 14 Sep 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Sep 2021 | 10 Sep 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Jul 2021 | 13 Jul 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Mar 2021 | 23 Mar 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Mar 2021 | 19 Mar 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Mar 2021 | 16 Mar 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Mar 2021 | 15 Mar 2021 | 001-34755 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 27 Jan 2021 | 26 Jan 2021 | 001-34755 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Nov 2020 | 27 Oct 2020 | 001-34755 |