| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2023 | 28 Feb 2023 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2023 | 21 Feb 2023 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | 28 May 2021 | 26 May 2021 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | 28 May 2020 | 27 May 2020 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jul 2019 | 24 Jul 2019 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2018 | 28 Jun 2018 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jan 2018 | 24 Jan 2018 | 000-20288 |
| 3 | Open Document | Open Filing | FORM 3 | 26 Jan 2018 | 24 Jan 2018 | 000-20288 |