| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 20, 2024 | May 17, 2024 | 001-40999 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 21, 2024 | Mar 21, 2024 | 001-40999 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 19, 2022 | Feb 11, 2022 | 001-40999 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 9, 2021 | Aug 4, 2021 | 000-26128 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 11, 2021 | Feb 11, 2021 | 000-26128 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 11, 2020 | Dec 11, 2020 | 000-26128 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 16, 2020 | Oct 16, 2020 | 000-26128 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2020 | Feb 27, 2020 | 000-26128 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 11, 2020 | Feb 7, 2020 | 000-26128 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 11, 2019 | Feb 11, 2019 | 000-26128 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 27, 2018 | Feb 27, 2018 | 000-26128 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 12, 2018 | Feb 12, 2018 | 000-26128 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 16, 2017 | Nov 15, 2017 | 000-26128 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 15, 2017 | Aug 15, 2017 | 000-26128 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 8, 2017 | Jun 8, 2017 | 000-26128 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2017 | Feb 1, 2017 | 000-26128 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 9, 2016 | Feb 5, 2016 | 000-26128 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 24, 2014 | Sep 5, 2013 | 000-26128 |