| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jun 2023 | 19 May 2023 | 000-10546 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 05 Jun 2023 | 25 Nov 2022 | 000-10546 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Nov 2022 | 25 Nov 2022 | 000-10546 |
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2021 | 11 May 2021 | 000-10546 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2020 | 12 May 2020 | 000-10546 |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2019 | 14 May 2019 | 000-10546 |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2018 | 15 May 2018 | 000-10546 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2017 | 16 May 2017 | 000-10546 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2016 | 17 May 2016 | 000-10546 |
| 4/A | Open Document | Open Filing | FORM 4/A | 19 May 2016 | 11 May 2015 | 000-10546 |
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2015 | 11 May 2015 | 000-10546 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2014 | 12 May 2014 | 000-10546 |