| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 05 Feb 2025 | 04 Feb 2025 | 000-16759 | |
| 4 | Open Document | Open Filing | 03 Jan 2025 | 02 Jan 2025 | 000-16759 | |
| 4 | Open Document | Open Filing | 07 Feb 2024 | 06 Feb 2024 | 000-16759 | |
| 4 | Open Document | Open Filing | 03 Jan 2024 | 03 Jan 2024 | 000-16759 | |
| 4 | Open Document | Open Filing | 08 Feb 2023 | 03 Feb 2023 | 000-16759 | |
| 4 | Open Document | Open Filing | 05 Jan 2023 | 04 Jan 2023 | 000-16759 | |
| 4 | Open Document | Open Filing | FORM 4 | 09 Feb 2022 | 08 Feb 2022 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2022 | 04 Jan 2022 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Apr 2021 | 21 Apr 2021 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2021 | 06 Jan 2021 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Feb 2020 | 04 Feb 2020 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2020 | 02 Jan 2020 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Feb 2019 | 05 Feb 2019 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jan 2019 | 02 Jan 2019 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Feb 2018 | 06 Feb 2018 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2018 | 02 Jan 2018 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Feb 2017 | 07 Feb 2017 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Jan 2017 | 05 Jan 2017 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Feb 2016 | 03 Feb 2016 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jan 2016 | 06 Jan 2016 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2015 | 26 Jan 2015 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Feb 2014 | 06 Feb 2014 | 000-16759 |
| 4/A | Open Document | Open Filing | FORM 4/A | 22 Jan 2014 | 08 Jan 2014 | 000-16759 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jan 2014 | 08 Jan 2014 | 000-16759 |