| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 12 May 2025 | 08 May 2025 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 | 06 May 2024 | 02 May 2024 | 000-15867 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Mar 2024 | 13 Mar 2024 | 001-39546 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 May 2023 | 04 May 2023 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Mar 2023 | 28 Mar 2023 | 001-39546 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Oct 2022 | 26 Oct 2022 | 001-41194 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 May 2022 | 05 May 2022 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Feb 2022 | 17 Feb 2022 | 001-39546 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 16 Feb 2022 | 14 Feb 2022 | 000-18548 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Feb 2022 | 31 Jan 2022 | 000-15867 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 02 Feb 2022 | 31 Jan 2022 | 000-15867 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 10 Jan 2022 | 01 Jan 2022 | 001-39546 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Dec 2021 | 27 Dec 2021 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Oct 2021 | 27 Oct 2021 | 000-23599 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Aug 2021 | 20 Aug 2021 | 001-38033 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Aug 2021 | 03 Aug 2021 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Oct 2020 | 28 Oct 2020 | 000-23599 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Aug 2020 | 18 Aug 2020 | 001-38033 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Aug 2020 | 04 Aug 2020 | 000-18548 |
| 4/A | Open Document | Open Filing | FORM 4/A | 28 Feb 2020 | 20 Aug 2019 | 001-38033 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Oct 2019 | 23 Oct 2019 | 000-23599 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Aug 2019 | 20 Aug 2019 | 001-38033 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Aug 2019 | 07 Aug 2019 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Oct 2018 | 24 Oct 2018 | 000-23599 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Aug 2018 | 20 Aug 2018 | 001-38033 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2018 | 31 Jul 2018 | 000-18548 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Apr 2018 | 16 Apr 2018 | 001-38033 |
| 3 | Open Document | Open Filing | FORM 3 | 19 Mar 2018 | 15 Mar 2018 | 001-38033 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Nov 2017 | 10 Nov 2017 | 000-18548 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Nov 2017 | 29 Oct 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2017 | 15 Aug 2017 | 000-23599 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 31 Jul 2017 | 25 Jul 2017 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2015 | 10 Feb 2015 | 001-09853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2015 | 05 Feb 2015 | 001-09853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2015 | 01 Feb 2015 | 001-09853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Nov 2014 | 03 Nov 2014 | 001-09853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Nov 2014 | 30 Oct 2014 | 001-09853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Aug 2014 | 08 Aug 2014 | 001-09853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Aug 2014 | 03 Aug 2014 | 001-09853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Aug 2014 | 31 Jul 2014 | 001-09853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2014 | 05 Feb 2014 | 001-09853 |