| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2023 | Feb 27, 2023 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 31, 2022 | May 27, 2022 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 8, 2022 | Mar 7, 2022 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2022 | Mar 1, 2022 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2021 | Mar 7, 2021 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2021 | Mar 4, 2021 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2021 | Mar 1, 2021 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 7, 2020 | Aug 6, 2020 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 10, 2020 | Mar 7, 2020 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2020 | Mar 1, 2020 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 22, 2019 | Nov 20, 2019 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2019 | Mar 13, 2019 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 11, 2019 | Mar 7, 2019 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2019 | Mar 1, 2019 | 001-13646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 23, 2018 | Nov 20, 2018 | 001-13646 |
| 4/A | Open Document | Open Filing | FORM 4/A | Apr 6, 2018 | Mar 1, 2018 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2018 | Mar 16, 2018 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2018 | Mar 1, 2018 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2018 | Feb 27, 2018 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 22, 2017 | Nov 20, 2017 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 29, 2017 | Jun 27, 2017 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2017 | Mar 1, 2017 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2017 | Feb 24, 2017 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 22, 2016 | Nov 20, 2016 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 21, 2016 | Mar 18, 2016 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2016 | Mar 1, 2016 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 12, 2016 | Feb 10, 2016 | 001-13646 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 24, 2015 | Nov 20, 2015 | 001-13646 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 2, 2015 | May 21, 2015 | 001-13646 |