| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jun 2022 | 02 Jun 2022 | 000-03295 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jun 2022 | 01 Jun 2022 | 000-03295 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Feb 2021 | 01 Feb 2021 | 000-03295 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Nov 2020 | 10 Nov 2020 | 000-03295 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Sep 2020 | 11 Sep 2020 | 000-03295 |
| 4/A | Open Document | Open Filing | FORM 4/A | 27 Sep 2019 | 29 May 2019 | 000-03295 |
| 4 | Open Document | Open Filing | FORM 4 | 30 May 2019 | 29 May 2019 | 000-03295 |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2019 | 23 May 2019 | 000-03295 |
| 4 | Open Document | Open Filing | FORM 4 | 23 May 2019 | 23 May 2019 | 000-03295 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Oct 2015 | 19 Oct 2015 | 000-03295 |
| 3 | Open Document | Open Filing | FORM 3 | 19 Oct 2015 | 14 Oct 2015 | 000-03295 |