| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2025 | 15 May 2025 | 001-32426 |
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2025 | 09 May 2025 | 001-32426 |
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2024 | 09 May 2024 | 001-32426 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2023 | 11 May 2023 | 001-32426 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2022 | 04 Jun 2022 | 001-32426 |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2022 | 12 May 2022 | 001-32426 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2021 | 04 Jun 2021 | 001-32426 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2021 | 14 May 2021 | 001-32426 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2020 | 14 May 2020 | 001-32426 |
| 4 | Open Document | Open Filing | FORM 4 | 12 May 2020 | 09 May 2020 | 001-32426 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Dec 2019 | 12 Dec 2019 | 001-32426 |
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2019 | 09 May 2019 | 001-32426 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Feb 2019 | 04 Feb 2019 | 000-23071 |
| 3 | Open Document | Open Filing | FORM 3 | 21 Dec 2018 | 14 Dec 2018 | 001-32426 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Feb 2018 | 05 Feb 2018 | 000-23071 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jan 2018 | 16 Nov 2017 | 001-07657 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Nov 2017 | 09 Nov 2017 | 001-07657 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Sep 2017 | 07 Sep 2017 | 001-07657 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Feb 2017 | 30 Jan 2017 | 000-23071 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jan 2017 | 28 Jan 2017 | 001-07657 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Nov 2016 | 11 Nov 2016 | 001-07657 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 May 2016 | 25 May 2016 | 001-07657 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Feb 2016 | 01 Feb 2016 | 000-23071 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2016 | 29 Jan 2016 | 001-07657 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2015 | 02 Feb 2015 | 000-23071 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2015 | 26 Jan 2015 | 001-07657 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2014 | 28 Aug 2014 | 001-07657 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Jun 2014 | 04 Jun 2014 | 000-23071 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Jun 2014 | 04 Jun 2014 | 000-23071 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2014 | 27 Jan 2014 | 001-07657 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2014 | 26 Jan 2014 | 001-07657 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jan 2014 | 13 Jan 2014 | 001-07657 |