| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Aug 30, 2023 | Jun 30, 2023 | 001-15465 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 30, 2023 | Mar 31, 2023 | 001-15465 |
| 4/A | Open Document | Open Filing | FORM 4/A | May 24, 2023 | May 23, 2023 | 001-15465 |
| 4 | Open Document | Open Filing | FORM 4 | May 24, 2023 | May 23, 2023 | 001-15465 |
| 144 | Open Document | Open Filing | May 19, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2023 | Mar 3, 2023 | 001-15465 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2023 | Dec 30, 2022 | 001-15465 |
| 4 | Open Document | Open Filing | Oct 4, 2022 | Sep 30, 2022 | 001-15465 | |
| 4 | Open Document | Open Filing | Jul 5, 2022 | Jun 30, 2022 | 001-15465 | |
| 4 | Open Document | Open Filing | Apr 15, 2022 | Jun 30, 2021 | 001-15465 | |
| 4 | Open Document | Open Filing | Mar 12, 2021 | Mar 10, 2021 | 001-15465 | |
| 4 | Open Document | Open Filing | Feb 23, 2021 | Feb 22, 2021 | 001-15465 | |
| 4 | Open Document | Open Filing | Aug 12, 2020 | Aug 10, 2020 | 001-15465 | |
| 4 | Open Document | Open Filing | Aug 11, 2020 | Aug 7, 2020 | 001-15465 | |
| 4 | Open Document | Open Filing | May 15, 2020 | May 14, 2020 | 001-15465 | |
| 4 | Open Document | Open Filing | Mar 13, 2020 | Mar 11, 2020 | 001-15465 | |
| 4 | Open Document | Open Filing | Mar 8, 2019 | Mar 6, 2019 | 000-50296 | |
| 4 | Open Document | Open Filing | Dec 22, 2017 | Dec 22, 2017 | 000-50296 | |
| 4 | Open Document | Open Filing | May 23, 2016 | May 19, 2016 | 000-50296 | |
| 4 | Open Document | Open Filing | Feb 26, 2016 | Feb 24, 2016 | 000-50296 | |
| 4 | Open Document | Open Filing | Aug 13, 2015 | Aug 11, 2015 | 000-50296 | |
| 4 | Open Document | Open Filing | 4 | May 22, 2015 | May 20, 2015 | 000-50296 |