| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2022 | May 17, 2022 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2022 | Mar 15, 2022 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2022 | Mar 10, 2022 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2022 | Feb 23, 2022 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2022 | Feb 15, 2022 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 18, 2021 | Nov 18, 2021 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 16, 2021 | Mar 15, 2021 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2021 | Feb 15, 2021 | 001-34653 |
| 4/A | Open Document | Open Filing | FORM 4/A | Aug 7, 2020 | Mar 16, 2020 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2020 | Mar 16, 2020 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2020 | Mar 5, 2020 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 19, 2020 | Feb 18, 2020 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 | May 1, 2019 | Apr 30, 2019 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2019 | Mar 15, 2019 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2019 | Feb 15, 2019 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 22, 2018 | Feb 22, 2018 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2018 | Feb 15, 2018 | 001-34653 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Dec 8, 2017 | Dec 1, 2017 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 8, 2017 | Dec 7, 2017 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 5, 2017 | Dec 1, 2017 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 8, 2017 | Sep 6, 2017 | 001-34653 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Mar 28, 2017 | Feb 28, 2017 | 001-34653 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Mar 28, 2017 | Feb 27, 2017 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2017 | Feb 28, 2017 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 28, 2017 | Feb 27, 2017 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 17, 2017 | Feb 15, 2017 | 001-34653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 9, 2017 | Feb 7, 2017 | 001-34653 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Feb 7, 2017 | Jan 19, 2017 | 001-34653 |