| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Dec 2021 | 01 Dec 2021 | 000-32929 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Jul 2020 | 29 Jul 2020 | 000-32929 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Oct 2019 | 23 Oct 2019 | 000-32929 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2019 | 06 Feb 2019 | 000-32929 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2019 | 01 Feb 2019 | 000-32929 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2018 | 01 Feb 2018 | 000-32929 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jan 2018 | 04 Jan 2018 | 000-32929 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Nov 2017 | 19 Oct 2017 | 000-32929 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Nov 2017 | 26 Sep 2017 | 000-32929 |