| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 May 2023 | 25 May 2023 | 001-34956 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 May 2022 | 26 May 2022 | 001-34956 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 May 2021 | 26 May 2021 | 001-34956 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jun 2020 | 29 May 2020 | 001-34956 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jun 2019 | 30 May 2019 | 001-34956 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Sep 2018 | 07 Sep 2018 | 001-34956 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2018 | 31 May 2018 | 001-34956 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Dec 2017 | 11 Dec 2017 | 001-34956 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2017 | 30 May 2017 | 001-34956 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 May 2016 | 26 May 2016 | 001-34956 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Oct 2015 | 15 Oct 2015 | 001-34956 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2015 | 29 May 2015 | 001-34956 |
| 4 | Open Document | Open Filing | 11 Sep 2014 | 10 Sep 2014 | 001-34956 | |
| 4/A | Open Document | Open Filing | 03 Jun 2014 | 27 May 2014 | 001-34956 | |
| 4 | Open Document | Open Filing | 28 May 2014 | 27 May 2014 | 001-34956 |