| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 25 Aug 2023 | 23 Sep 2021 | 000-55908 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Aug 2023 | 17 Aug 2023 | 000-55908 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Aug 2023 | 23 Sep 2022 | 000-55908 |
| 4 | Open Document | Open Filing | FORM 4 | 27 May 2021 | 01 Jan 2019 | 000-55908 |
| 3 | Open Document | Open Filing | FORM 3 | 14 Feb 2019 | 17 Dec 2018 | 000-55908 |