| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | 18 Dec 2023 | |||
| SC 13D/A | Open Document | Open Filing | 12 Nov 2021 | |||
| 4 | Open Document | Open Filing | 05 Nov 2021 | 30 Oct 2021 | 001-35824 | |
| 4 | Open Document | Open Filing | 06 Oct 2021 | 29 Sep 2021 | 001-35824 | |
| 4/A | Open Document | Open Filing | 06 May 2020 | 15 Nov 2019 | 001-35824 | |
| SC 13D/A | Open Document | Open Filing | 05 May 2020 | |||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 2 | 18 Jan 2017 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jan 2017 | 18 Jan 2017 | 001-35824 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 1 | 21 Dec 2016 | ||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2016 | 07 Nov 2016 | 001-35824 |
| SC 13D | Open Document | Open Filing | 16 Nov 2016 |