| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Mar 2023 | 29 Mar 2023 | 000-21714 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 14 Feb 2020 | 06 Sep 2019 | 000-21714 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Sep 2019 | 06 Sep 2019 | 000-21714 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Dec 2018 | 14 Dec 2018 | 000-21714 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Oct 2018 | 29 Oct 2018 | 000-21714 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Jun 2018 | 15 Jun 2018 | 000-21714 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 May 2018 | 03 May 2018 | 000-21714 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Mar 2018 | 02 Mar 2018 | 000-21714 |