| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 30, 2021 | Aug 30, 2021 | 001-40764 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 21, 2021 | Jun 16, 2021 | 001-31321 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 7, 2020 | May 5, 2020 | 001-31321 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 31, 2020 | Mar 2, 2020 | 001-31321 |
| 4 | Open Document | Open Filing | Aug 27, 2019 | Aug 26, 2019 | 001-31321 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 3, 2019 | May 30, 2019 | 001-31321 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 14, 2019 | May 13, 2019 | 001-31321 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 2, 2019 | Apr 30, 2019 | 001-31321 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 20, 2019 | Mar 7, 2019 | 001-31321 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 1, 2019 | Jan 31, 2019 | 001-31321 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 31, 2018 | May 30, 2018 | 001-31321 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 17, 2018 | May 15, 2018 | 001-31321 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 30, 2018 | Apr 26, 2018 | 001-31321 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 23, 2017 | May 19, 2017 | 001-31321 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 17, 2017 | May 15, 2017 | 001-31321 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 1, 2017 | Apr 25, 2017 | 001-31321 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | May 9, 2016 | May 4, 2016 | 001-31321 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 6, 2016 | May 4, 2016 | 001-31321 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 30, 2015 | Apr 28, 2015 | 001-31321 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 8, 2014 | May 6, 2014 | 001-31321 |