| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 23 May 2023 | 18 Feb 2022 | 000-17007 |
| 4/A | Open Document | Open Filing | FORM 4/A | 23 May 2023 | 18 Feb 2021 | 000-17007 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Mar 2022 | 21 Mar 2022 | 000-17007 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2022 | 22 Feb 2022 | 000-17007 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Feb 2022 | 14 Feb 2022 | 000-17007 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2022 | 01 Feb 2022 | 000-17007 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Feb 2021 | 18 Feb 2021 | 000-17007 |
| 4 | Open Document | Open Filing | 04 Mar 2020 | 27 Feb 2020 | 000-17007 | |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2019 | 07 Aug 2018 | 000-17007 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2019 | 19 Feb 2019 | 000-17007 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Feb 2018 | 22 Feb 2018 | 000-17007 |
| 3 | Open Document | Open Filing | FORM 3 | 06 Mar 2017 | 28 Feb 2017 | 000-17007 |