| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 13 Jun 2025 | 11 Jun 2025 | 001-07882 |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2025 | 14 May 2025 | 001-07882 |
| 4 | Open Document | Open Filing | FORM 4 | 12 May 2025 | 08 May 2025 | 001-07882 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Mar 2025 | 12 Mar 2025 | 001-07882 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Aug 2024 | 05 Aug 2024 | 001-07882 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jun 2024 | 11 Jun 2024 | 001-07882 |
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2024 | 08 May 2024 | 001-07882 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jun 2023 | 08 Jun 2023 | 001-07882 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2023 | 18 May 2023 | 001-07882 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Feb 2023 | 14 Feb 2023 | 001-07882 |
| 4 | Open Document | Open Filing | FORM 4 | 20 May 2022 | 18 May 2022 | 001-07882 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Feb 2022 | 14 Feb 2022 | 001-07882 |
| 3 | Open Document | Open Filing | FORM 3 | 16 Feb 2022 | 14 Feb 2022 | 001-07882 |
| 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 | PRIMARY DOCUMENT | 28 Dec 2021 | 27 Dec 2021 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Aug 2021 | 03 Aug 2021 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Aug 2020 | 04 Aug 2020 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2020 | 19 May 2020 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Aug 2019 | 07 Aug 2019 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2019 | 23 May 2019 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2018 | 31 Jul 2018 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2017 | 16 Nov 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Aug 2017 | 08 Aug 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Feb 2017 | 13 Feb 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2017 | 01 Jan 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Aug 2016 | 09 Aug 2016 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2016 | 20 May 2016 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2015 | 11 Aug 2015 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2015 | 27 Apr 2015 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Oct 2014 | 17 Oct 2014 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Oct 2014 | 06 Oct 2014 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Aug 2014 | 12 Aug 2014 | 000-18548 |