| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2023 | 02 May 2023 | 001-37673 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Feb 2023 | 22 Feb 2023 | 001-37673 |
| 4/A | Open Document | Open Filing | FORM 4/A | 29 Mar 2022 | 23 Feb 2022 | 001-37673 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Feb 2022 | 23 Feb 2022 | 001-37673 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2021 | 25 Feb 2021 | 001-37673 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jan 2021 | 26 Jan 2021 | 001-37673 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Sep 2020 | 31 Aug 2020 | 001-37673 |
| 4 | Open Document | Open Filing | FORM 4 | 26 May 2020 | 21 May 2020 | 001-37673 |
| 4 | Open Document | Open Filing | 12 Nov 2019 | 06 Nov 2019 | 001-37673 | |
| 4 | Open Document | Open Filing | 13 Feb 2019 | 11 Feb 2019 | 001-37673 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Apr 2018 | 26 Apr 2018 | 001-37673 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Dec 2016 | 18 Nov 2016 | 001-37673 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Sep 2016 | 16 Aug 2016 | 001-37673 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Dec 2015 | 17 Dec 2015 | 000-53704 |