| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 09 Dec 2021 | 07 Dec 2021 | 001-35231 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Mar 2021 | 03 Mar 2021 | 001-35231 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Nov 2020 | 20 Nov 2020 | 001-35231 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Nov 2020 | 16 Nov 2020 | 001-35231 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Sep 2020 | 11 Sep 2020 | 001-35231 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Nov 2019 | 15 Nov 2019 | 001-35231 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Nov 2018 | 13 Nov 2018 | 001-35231 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Nov 2017 | 15 Nov 2017 | 001-35231 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Nov 2016 | 16 Nov 2016 | 001-35231 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Nov 2015 | 16 Nov 2015 | 001-35231 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Jan 2015 | 27 Jan 2015 | 001-35231 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 29 Jan 2015 | 27 Jan 2015 | 001-35231 |