| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 21 Jul 2023 | 21 Jul 2023 | 000-29651 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Aug 2020 | 21 Jul 2020 | 000-29651 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 19 Oct 2015 | 15 Oct 2015 | 000-29651 |