| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 25 Aug 2021 | 22 Aug 2021 | 001-40364 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Dec 2020 | 02 Dec 2020 | 000-24575 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Nov 2020 | 25 Nov 2020 | 000-24575 |
| 4 | Open Document | Open Filing | FORM 4 | 11 May 2020 | 08 May 2020 | 000-24575 |
| 4 | Open Document | Open Filing | FORM 4 | 01 May 2020 | 29 Apr 2020 | 000-24575 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Nov 2019 | 26 Nov 2019 | 000-24575 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Nov 2019 | 19 Nov 2019 | 000-24575 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Nov 2019 | 15 Nov 2019 | 000-24575 |
| 3/A | Open Document | Open Filing | FORM 3/A SUBMISSION | 06 Aug 2019 | 26 Jul 2019 | 000-24575 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 05 Aug 2019 | 26 Jul 2019 | 000-24575 |