| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 16 Jun 2025 | 12 Jun 2025 | 000-15867 |
| 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 | FORM 4 SUBMISSION | 19 Dec 2023 | 15 Dec 2023 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2023 | 30 May 2023 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 May 2023 | 07 Dec 2021 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Dec 2022 | 30 Nov 2022 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2022 | 27 May 2022 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 May 2022 | 05 May 2022 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Mar 2021 | 25 Feb 2021 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Feb 2020 | 14 Feb 2020 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Feb 2019 | 22 Feb 2019 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Feb 2018 | 07 Feb 2018 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Feb 2017 | 21 Feb 2017 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Feb 2016 | 08 Feb 2016 | 000-15867 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Feb 2015 | 09 Feb 2015 | 000-15867 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Feb 2014 | 04 Feb 2014 | 000-15867 |