| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 19 Mar 2024 | 16 Nov 2023 | 000-16759 | |
| 4 | Open Document | Open Filing | 29 Aug 2023 | 31 May 2023 | 000-16759 | |
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2020 | 02 Mar 2020 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Feb 2019 | 06 Feb 2019 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Feb 2017 | 24 Feb 2017 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Sep 2015 | 24 Aug 2015 | 000-16759 |