| 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 | Oct 5, 2022 | Oct 3, 2022 | 001-09044 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 14, 2022 | Feb 10, 2022 | 001-09044 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 7, 2021 | Sep 2, 2021 | 001-09044 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2021 | Feb 10, 2021 | 001-09044 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 5, 2020 | Aug 4, 2020 | 001-09044 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2020 | Feb 10, 2020 | 001-09044 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2019 | Feb 10, 2019 | 001-09044 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2018 | Feb 10, 2018 | 001-09044 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2017 | May 15, 2017 | 001-09044 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2017 | Feb 10, 2017 | 001-09044 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2016 | May 4, 2016 | 001-09044 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 15, 2016 | Apr 13, 2016 | 001-15759 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2016 | Feb 10, 2016 | 001-09044 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2015 | Feb 10, 2015 | 001-09044 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 2, 2015 | Jan 29, 2015 | 001-15759 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 26, 2014 | Nov 25, 2014 | 001-15759 |
| 144 | Open Document | Open Filing | FORM 144 | Nov 24, 2014 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2014 | Feb 10, 2014 | 001-09044 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 3, 2014 | Jan 30, 2014 | 001-15759 |