| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 5, 2024 | Feb 1, 2024 | 001-35527 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 17, 2023 | Jan 12, 2023 | 001-35527 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 6, 2022 | Oct 4, 2022 | 001-35527 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jul 26, 2019 | Jul 17, 2019 | 001-35527 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2018 | Feb 27, 2018 | 000-53072 |
| 4/A | Open Document | Open Filing | 4/A | Jun 3, 2016 | Jan 14, 2016 | 000-53072 |
| 4 | Open Document | Open Filing | 4 | May 12, 2016 | May 10, 2016 | 000-53072 |
| 4 | Open Document | Open Filing | 4 | Mar 22, 2016 | Jan 14, 2016 | 000-53072 |
| 3 | Open Document | Open Filing | 3 | Dec 17, 2015 | Dec 7, 2015 | 000-53072 |