| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 05 Dec 2023 | 01 Dec 2023 | 001-05707 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Dec 2022 | 02 Dec 2022 | 001-05707 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Aug 2021 | 13 Aug 2021 | 001-05707 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Oct 2020 | 27 Aug 2020 | 001-05707 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jul 2020 | 30 Jun 2020 | 001-05707 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 30 May 2017 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 May 2017 | 25 May 2017 | 001-05707 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Apr 2017 | 03 Apr 2017 | 001-05707 |
| SC 13D | Open Document | Open Filing | SC 13D | 16 Apr 2015 | ||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Apr 2015 | 01 Apr 2015 | 001-05707 |