| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Aug 2021 | 17 Aug 2021 | 001-34521 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Nov 2020 | 10 Nov 2020 | 001-34521 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Jan 2018 | 11 Jan 2018 | 001-34521 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 May 2017 | 09 May 2017 | 001-34521 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 08 Mar 2016 | 04 Mar 2016 | 001-34521 |