| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 15 Aug 2023 | 14 Aug 2023 | 001-14775 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Jun 2023 | 16 Jun 2023 | 001-14775 |
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2023 | 10 May 2023 | 001-14775 |
| 4 | Open Document | Open Filing | FORM 4 | 12 May 2022 | 11 May 2022 | 001-14775 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Mar 2022 | 18 Mar 2022 | 001-14775 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2021 | 12 May 2021 | 001-14775 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2020 | 20 May 2020 | 001-14775 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2020 | 04 May 2020 | 001-14775 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jun 2019 | 23 May 2019 | 001-14775 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2019 | 23 May 2019 | 001-14775 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2019 | 07 May 2019 | 001-14775 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jun 2018 | 05 Jun 2018 | 001-14775 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2018 | 31 May 2018 | 001-14775 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2017 | 18 May 2017 | 001-14775 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 May 2016 | 24 May 2016 | 001-14775 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2016 | 12 May 2016 | 001-14775 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Dec 2015 | 21 Dec 2015 | 001-14775 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2015 | 13 May 2015 | 001-14775 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2015 | 04 May 2015 | 001-14775 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2014 | 01 Dec 2014 | 001-14775 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2014 | 15 May 2014 | 001-14775 |