| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2023 | Mar 1, 2023 | 001-05153 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2022 | Mar 1, 2022 | 001-05153 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2021 | Mar 1, 2021 | 001-05153 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2020 | Jan 2, 2020 | 001-05153 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2019 | Apr 1, 2019 | 001-05153 |
| 3 | Open Document | Open Filing | FORM 3 | Apr 1, 2019 | Apr 1, 2019 | 001-05153 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2019 | Feb 13, 2019 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2018 | May 15, 2018 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2017 | May 16, 2017 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2017 | Feb 27, 2017 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2016 | May 17, 2016 | 001-12534 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 17, 2015 | Aug 3, 2015 | 001-12534 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 6, 2015 | Aug 3, 2015 | 001-12534 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 6, 2015 | Aug 1, 2015 | 001-12534 |