| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Dec 2021 | 08 Dec 2021 | 001-38191 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Oct 2021 | 12 Oct 2021 | 001-38191 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Apr 2021 | 06 Dec 2019 | 001-38191 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Mar 2021 | 15 Dec 2020 | 001-38191 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Apr 2020 | 05 Mar 2020 | 001-38191 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jan 2020 | 16 Apr 2019 | 001-38191 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Dec 2018 | 02 Feb 2018 | 001-38191 |
| 3 | Open Document | Open Filing | FORM 3 | 27 Nov 2018 | 14 Nov 2017 | 001-38191 |