| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Nov 15, 2023 | Nov 15, 2023 | 001-09852 |
| 4 | Open Document | Open Filing | Feb 9, 2023 | Feb 7, 2023 | 001-09852 | |
| 4 | Open Document | Open Filing | Feb 2, 2022 | Feb 1, 2022 | 001-09852 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 5, 2021 | Oct 1, 2021 | 001-07665 |
| 4 | Open Document | Open Filing | FORM 4 - | May 6, 2021 | May 4, 2021 | 001-09852 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 23, 2021 | Mar 20, 2021 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2021 | Feb 22, 2021 | 001-07665 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 4, 2021 | Feb 2, 2021 | 001-09852 |
| 4 | Open Document | Open Filing | FORM 4 - | Jul 20, 2020 | Jul 17, 2020 | 001-09852 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 18, 2020 | Feb 13, 2020 | 001-07665 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 5, 2020 | Feb 4, 2020 | 001-09852 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 11, 2019 | Dec 9, 2019 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 29, 2019 | Jul 25, 2019 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 22, 2019 | Mar 20, 2019 | 001-07665 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 7, 2019 | Feb 5, 2019 | 001-09852 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 11, 2018 | Dec 7, 2018 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2018 | Nov 16, 2018 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 22, 2018 | Feb 20, 2018 | 001-07665 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 7, 2018 | Feb 6, 2018 | 001-09852 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 12, 2017 | Dec 8, 2017 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 24, 2017 | Nov 21, 2017 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 13, 2017 | Jun 9, 2017 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 22, 2017 | Mar 20, 2017 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2017 | Feb 28, 2017 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 22, 2017 | Feb 17, 2017 | 001-07665 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 9, 2017 | Feb 7, 2017 | 001-09852 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 15, 2016 | Dec 14, 2016 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 13, 2016 | Dec 9, 2016 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 29, 2016 | Feb 28, 2016 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 22, 2016 | Feb 18, 2016 | 001-07665 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 4, 2016 | Feb 2, 2016 | 001-09852 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2015 | Dec 4, 2015 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2015 | Feb 28, 2015 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 9, 2014 | Dec 5, 2014 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 11, 2014 | Mar 7, 2014 | 001-07665 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2014 | Feb 28, 2014 | 001-07665 |