| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2023 | 01 Jan 2023 | 001-34527 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Dec 2021 | 10 Dec 2021 | 001-34527 |
| 4/A | Open Document | Open Filing | FORM 4/A | 15 Dec 2020 | 11 Dec 2020 | 001-34527 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Dec 2020 | 11 Dec 2020 | 001-34527 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Dec 2019 | 06 Dec 2019 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Aug 2019 | 19 Aug 2019 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2019 | 07 May 2019 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Dec 2018 | 07 Dec 2018 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Dec 2017 | 08 Dec 2017 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Dec 2016 | 12 Dec 2016 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2016 | 07 Dec 2016 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Dec 2016 | 07 Dec 2016 | 000-03755 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Nov 2016 | 04 Nov 2016 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2015 | 11 Dec 2015 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jun 2015 | 10 Jun 2015 | 001-34527 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jan 2015 | 01 Jan 2015 | 001-34527 |