| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jan 12, 2022 | Dec 31, 2021 | 001-00898 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 4, 2022 | Dec 31, 2021 | 001-00898 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Oct 13, 2021 | May 13, 2021 | 001-00898 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 14, 2021 | May 13, 2021 | 001-00898 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2021 | May 7, 2021 | 001-00898 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 24, 2020 | Sep 22, 2020 | 001-00898 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2020 | May 7, 2020 | 001-00898 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | May 11, 2020 | May 3, 2020 | 001-00898 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2020 | May 3, 2020 | 001-00898 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 10, 2019 | May 9, 2019 | 001-00898 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 10, 2018 | May 9, 2018 | 001-00898 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 7, 2018 | May 3, 2018 | 001-00898 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 10, 2017 | May 3, 2017 | 001-00898 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | May 10, 2017 | May 5, 2016 | 001-00898 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 9, 2016 | May 5, 2016 | 001-00898 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 7, 2015 | May 5, 2015 | 001-00898 |
| 4 | Open Document | Open Filing | HOOVER - FORM 4 | Dec 19, 2014 | Dec 19, 2014 | 001-00898 |
| 4 | Open Document | Open Filing | HOOVER - FORM 4 | May 1, 2014 | Apr 29, 2014 | 001-00898 |