| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Aug 1, 2024 | Jul 31, 2024 | 001-37621 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 12, 2024 | May 28, 2024 | 001-37621 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 17, 2021 | Sep 17, 2021 | 000-20908 |
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2021 | May 20, 2021 | 000-20908 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2021 | May 10, 2021 | 000-20908 |
| 4 | Open Document | Open Filing | FORM 4 | May 7, 2021 | May 6, 2021 | 000-20908 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 28, 2021 | Jan 27, 2021 | 000-20908 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2020 | Mar 18, 2020 | 000-20908 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2020 | Mar 9, 2020 | 000-20908 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 21, 2019 | Mar 20, 2019 | 000-20908 |
| 4 | Open Document | Open Filing | FORM 4 | May 30, 2018 | May 29, 2018 | 000-20908 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 22, 2018 | Mar 21, 2018 | 000-20908 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 16, 2017 | Mar 15, 2017 | 000-20908 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2016 | Mar 16, 2016 | 000-20908 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2015 | Mar 18, 2015 | 000-20908 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 10, 2014 | Jun 9, 2014 | 000-20908 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 20, 2014 | Mar 19, 2014 | 000-20908 |