| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 23, 2023 | Mar 21, 2023 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2023 | Mar 6, 2023 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2023 | Feb 28, 2023 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 22, 2022 | Mar 21, 2022 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 16, 2022 | Mar 15, 2022 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2022 | Mar 6, 2022 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2022 | Mar 1, 2022 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2021 | Mar 16, 2021 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2021 | Mar 16, 2021 | 001-15393 |
| 4/A | Open Document | Open Filing | FORM 4/A | Mar 11, 2021 | Mar 5, 2021 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2021 | Mar 5, 2021 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 17, 2020 | Mar 17, 2020 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2020 | Mar 19, 2020 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2020 | Mar 12, 2020 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 23, 2020 | Jan 23, 2020 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 28, 2019 | Aug 28, 2019 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 21, 2019 | Mar 19, 2019 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 12, 2019 | Mar 11, 2019 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2019 | Mar 6, 2019 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 24, 2019 | Jan 22, 2019 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 16, 2018 | Mar 11, 2018 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 15, 2018 | Mar 13, 2018 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 23, 2018 | Jan 19, 2018 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 22, 2018 | Jan 18, 2018 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2017 | Mar 11, 2017 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2017 | Mar 8, 2017 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 23, 2017 | Jan 19, 2017 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 19, 2017 | Jan 18, 2017 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2017 | Dec 15, 2016 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2016 | Mar 8, 2016 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 21, 2016 | Jan 19, 2016 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2015 | Mar 10, 2015 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 22, 2015 | Jan 20, 2015 | 001-15393 |
| 3/A | Open Document | Open Filing | FORM 3/A | Oct 3, 2014 | Sep 23, 2013 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 12, 2014 | Mar 11, 2014 | 001-15393 |