| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 01 Dec 2025 | 28 Nov 2025 | 000-26481 |
| 4 | Open Document | Open Filing | 4 | 30 May 2025 | 28 May 2025 | 000-26481 |
| 4 | Open Document | Open Filing | 4 | 16 Dec 2024 | 13 Dec 2024 | 000-26481 |
| 4 | Open Document | Open Filing | 4 | 06 Dec 2024 | 05 Dec 2024 | 000-26481 |
| 4 | Open Document | Open Filing | 4 | 07 Jun 2024 | 05 Jun 2024 | 000-26481 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 04 Jan 2024 | 21 Dec 2023 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Dec 2023 | 21 Dec 2023 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Jun 2023 | 21 Jun 2023 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 May 2023 | 04 May 2023 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Dec 2022 | 14 Dec 2022 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Jun 2022 | 14 Jun 2022 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jun 2021 | 16 Jun 2021 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Dec 2020 | 17 Dec 2020 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Jun 2020 | 17 Jun 2020 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 May 2020 | 13 May 2020 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2020 | 10 Mar 2020 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Dec 2019 | 19 Dec 2019 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jun 2019 | 19 Jun 2019 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Dec 2018 | 20 Dec 2018 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jun 2018 | 20 Jun 2018 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Dec 2017 | 21 Dec 2017 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Dec 2017 | 13 Dec 2017 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Jun 2017 | 21 Jun 2017 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Dec 2016 | 03 Dec 2016 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2016 | 03 Jun 2016 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Feb 2016 | 25 Feb 2016 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Nov 2015 | 06 Nov 2015 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 May 2015 | 06 May 2015 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Feb 2015 | 05 Feb 2015 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 May 2014 | 07 May 2014 | 000-26481 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 09 May 2014 | 07 May 2014 | 000-26481 |