| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 01 Jun 2021 | 27 May 2021 | 001-33642 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Nov 2020 | 03 Nov 2020 | 001-33642 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jun 2020 | 29 May 2020 | 001-33642 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2019 | 30 May 2019 | 001-33642 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jun 2018 | 31 May 2018 | 001-33642 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jun 2017 | 01 Jun 2017 | 001-33642 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Dec 2016 | 16 Dec 2016 | 001-33642 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Dec 2015 | 16 Dec 2015 | 001-33642 |
| 3 | Open Document | Open Filing | FORM 3 | 18 Dec 2015 | 16 Dec 2015 | 001-33642 |