| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Sep 14, 2023 | Sep 13, 2023 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 17, 2022 | Jun 15, 2022 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 4, 2021 | Aug 3, 2021 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 12, 2020 | Jun 12, 2020 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | May 31, 2019 | May 31, 2019 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | May 24, 2019 | May 23, 2019 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 17, 2018 | Sep 13, 2018 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 12, 2017 | Sep 11, 2017 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 22, 2016 | Aug 18, 2016 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 15, 2016 | Jun 13, 2016 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 25, 2015 | Aug 25, 2015 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 16, 2015 | Jun 15, 2015 | 000-33501 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 12, 2015 | Jun 12, 2015 | 000-33501 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 1, 2015 | May 28, 2015 | 000-33501 |