| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 May 2022 | 12 May 2022 | 000-19357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Aug 2021 | 30 Jul 2021 | 000-19357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Jun 2020 | 01 Jun 2020 | 000-19357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Oct 2019 | 30 Sep 2019 | 000-19357 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 02 Oct 2019 | 30 Sep 2019 | 000-19357 |