| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Aug 2021 | 23 Jul 2021 | 001-37849 |
| 4 | Open Document | Open Filing | 08 Jun 2021 | 07 Jun 2021 | 001-37849 | |
| 4 | Open Document | Open Filing | 02 Jun 2021 | 30 May 2021 | 001-37849 | |
| 4 | Open Document | Open Filing | 01 Apr 2021 | 30 Mar 2021 | 001-37849 | |
| 4 | Open Document | Open Filing | 30 Mar 2021 | 28 Mar 2021 | 001-37849 | |
| 4 | Open Document | Open Filing | 22 Mar 2021 | 19 Mar 2021 | 001-37849 | |
| 4 | Open Document | Open Filing | 16 Mar 2021 | 12 Mar 2021 | 001-37849 | |
| 4 | Open Document | Open Filing | 24 Jun 2020 | 22 Jun 2020 | 001-37849 | |
| 4 | Open Document | Open Filing | 09 Jun 2020 | 07 Jun 2020 | 001-37849 | |
| 4 | Open Document | Open Filing | 02 Jun 2020 | 28 Mar 2020 | 001-37849 | |
| 4 | Open Document | Open Filing | FORM 4 | 16 Sep 2019 | 12 Sep 2019 | 001-37849 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jun 2019 | 07 Jun 2019 | 001-37849 |
| 3 | Open Document | Open Filing | FORM 3 | 11 Jun 2019 | 04 Jun 2019 | 001-37849 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2017 | 08 May 2017 | 000-19517 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2017 | 08 May 2017 | 000-19517 |