| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Jul 2021 | 13 Jul 2021 | 001-40458 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Jun 2021 | 04 Jun 2021 | 001-40458 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Dec 2020 | 01 Dec 2020 | 001-38045 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 27 Nov 2020 | 24 Nov 2020 | 001-38045 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Mar 2020 | 20 Mar 2020 | 001-38045 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Apr 2019 | 15 Mar 2019 | 001-38045 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Jan 2019 | 22 Jan 2019 | 001-38045 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Mar 2018 | 13 Mar 2018 | 001-38045 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Dec 2017 | 14 Dec 2017 | 001-38045 |
| 3 | Open Document | Open Filing | FORM 3 | 18 Dec 2017 | 14 Dec 2017 | 001-38045 |