| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 2, 2021 | Dec 2, 2021 | 001-36413 |
| 4/A | Open Document | Open Filing | FORM 4/A | Mar 10, 2021 | Mar 1, 2021 | 001-36413 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2021 | Mar 1, 2021 | 001-36413 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2020 | Feb 28, 2020 | 001-36413 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2019 | Mar 1, 2019 | 001-36413 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2018 | Mar 1, 2018 | 001-36413 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 5, 2017 | Jun 2, 2017 | 001-36413 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2017 | Mar 1, 2017 | 001-36413 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2016 | Apr 1, 2016 | 001-36413 |
| 4 | Open Document | Open Filing | FORM 4 | May 15, 2015 | May 15, 2015 | 001-36413 |
| 144 | Open Document | Open Filing | 144 | May 15, 2015 | ||
| 4 | Open Document | Open Filing | FORM 4 | Apr 23, 2015 | Apr 21, 2015 | 001-36413 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 23, 2014 | Apr 21, 2014 | 001-36413 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Apr 10, 2014 | Apr 10, 2014 | 001-36413 |