| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 - | Sep 7, 2021 | Sep 3, 2021 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 - | Sep 1, 2021 | Aug 30, 2021 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 3, 2021 | Aug 2, 2021 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 - | May 10, 2021 | May 6, 2021 | 001-13703 |
| 4/A | Open Document | Open Filing | FORM 4/A - | Mar 12, 2021 | Mar 8, 2021 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 10, 2021 | Mar 8, 2021 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 - | Sep 8, 2020 | Sep 4, 2020 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 - | Sep 1, 2020 | Aug 30, 2020 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 28, 2020 | Aug 27, 2020 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 26, 2020 | Aug 24, 2020 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 - | May 8, 2020 | May 6, 2020 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 - | Sep 4, 2019 | Aug 30, 2019 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 27, 2019 | Aug 24, 2019 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 12, 2018 | Sep 10, 2018 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 7, 2018 | Sep 6, 2018 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 4, 2018 | Aug 30, 2018 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 28, 2018 | Aug 24, 2018 | 001-13703 |
| 3/A | Open Document | Open Filing | FORM 3/A | Jun 18, 2018 | Jun 15, 2018 | 001-13703 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 15, 2018 | Jun 15, 2018 | 001-13703 |