| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Jul 2022 | 01 Jul 2022 | 001-35521 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Jun 2022 | 14 Jun 2022 | 001-35521 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Apr 2022 | 01 Apr 2022 | 001-35521 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Jan 2022 | 03 Jan 2022 | 001-35521 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Nov 2021 | 16 Nov 2021 | 001-35521 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Aug 2021 | 24 Aug 2021 | 001-35521 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Jan 2021 | 22 Jan 2021 | 001-35521 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Nov 2020 | 19 Nov 2020 | 001-35521 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Aug 2020 | 24 Aug 2020 | 001-35521 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Aug 2020 | 18 Aug 2020 | 001-35521 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 May 2020 | 18 May 2020 | 001-35521 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Apr 2020 | 01 Apr 2020 | 001-35521 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 31 Oct 2019 | 09 May 2019 | 001-35521 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Jul 2019 | 30 Jun 2019 | 001-35521 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 May 2019 | 17 May 2019 | 001-35521 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 May 2019 | 09 May 2019 | 001-35521 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 31 Jan 2019 | 29 Jan 2019 | 001-35521 |