| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 28, 2024 | Feb 27, 2024 | 001-13412 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Mar 3, 2023 | Mar 1, 2023 | 001-13412 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Nov 10, 2022 | Nov 8, 2022 | 001-13412 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 28, 2022 | Feb 24, 2022 | 001-13412 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2021 | Nov 15, 2021 | 001-13412 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 16, 2021 | Mar 12, 2021 | 001-13412 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 23, 2019 | Dec 19, 2019 | 001-13412 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 4, 2018 | Nov 30, 2018 | 001-13412 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 7, 2018 | Sep 5, 2018 | 001-13412 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 21, 2017 | Dec 19, 2017 | 001-13412 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 7, 2017 | Sep 5, 2017 | 001-13412 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 7, 2016 | Sep 6, 2016 | 001-13412 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 7, 2016 | Sep 6, 2016 | 001-13412 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2016 | Mar 1, 2016 | 000-24249 |
| 3 | Open Document | Open Filing | FORM 3 | Mar 3, 2016 | Mar 1, 2016 | 000-24249 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 9, 2015 | Feb 5, 2015 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 11, 2014 | Jun 9, 2014 | 000-31380 |