| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 02 Feb 2022 | 12 Jan 2022 | 000-16084 | |
| 4 | Open Document | Open Filing | 19 Nov 2021 | 17 Nov 2021 | 000-16084 | |
| 4 | Open Document | Open Filing | 19 Nov 2021 | 15 Nov 2021 | 000-16084 | |
| 4 | Open Document | Open Filing | 02 Feb 2021 | 29 Jan 2021 | 000-16084 | |
| 4 | Open Document | Open Filing | CLARK FRAME | 04 Feb 2020 | 31 Jan 2020 | 000-16084 |
| 3/A | Open Document | Open Filing | CLARK S FRAME | 02 May 2019 | 01 Apr 2019 | 000-16084 |
| 3 | Open Document | Open Filing | CLARK S FRAME | 08 Apr 2019 | 01 Apr 2019 | 000-16084 |