| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Dec 2023 | 21 Dec 2023 | 001-40621 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Jun 2023 | 13 Jun 2023 | 000-54717 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Jun 2023 | 09 Jun 2023 | 000-54717 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Jun 2022 | 15 Jul 2021 | 000-54717 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 Feb 2022 | 24 Feb 2022 | 001-40621 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Jul 2021 | 19 Jul 2021 | 001-40621 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Apr 2021 | 26 Mar 2021 | 000-54717 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Aug 2019 | 26 Jul 2019 | 000-54717 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Jun 2019 | 31 May 2019 | 000-54717 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 10 Apr 2019 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Apr 2019 | 28 Mar 2019 | 000-54717 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 1 | 20 Aug 2018 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Jul 2018 | 24 Jul 2018 | 000-54717 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Jun 2018 | 13 Jun 2018 | 000-54717 |
| 3/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Jun 2018 | 24 Jan 2018 | 000-54717 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 29 May 2018 | ||
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 May 2018 | 24 Jan 2018 | 000-54717 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Apr 2018 | 31 Mar 2018 | 000-54717 |