| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2025 | 21 May 2025 | 001-39801 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2024 | 15 May 2024 | 001-39801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Jun 2023 | 26 Jun 2023 | 000-28386 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2023 | 17 May 2023 | 001-39801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Apr 2023 | 05 Apr 2023 | 000-28386 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2022 | 18 May 2022 | 001-39801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2022 | 09 Mar 2022 | 000-28386 |
| 4 | Open Document | Open Filing | 21 May 2021 | 19 May 2021 | 001-39801 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Mar 2021 | 10 Mar 2021 | 000-28386 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Dec 2020 | 11 Dec 2020 | 001-39801 |
| 4 | Open Document | Open Filing | 27 May 2020 | 20 May 2020 | 000-14710 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 May 2019 | 16 May 2019 | 000-28386 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 May 2019 | 16 May 2019 | 000-14710 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 May 2018 | 17 May 2018 | 000-14710 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 May 2018 | 17 May 2018 | 000-28386 |
| 4 | Open Document | Open Filing | 02 May 2017 | 28 Apr 2017 | 000-28386 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Mar 2017 | 02 Mar 2017 | 000-14710 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 27 Feb 2017 | 23 Feb 2017 | 000-28386 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Feb 2017 | 16 Feb 2017 | 000-14710 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Jan 2017 | 11 Jan 2017 | 000-28386 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 May 2016 | 29 Apr 2016 | 001-12465 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Jan 2016 | 11 Jan 2016 | 001-12465 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Jan 2016 | 11 Jan 2016 | 001-12465 |