| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Apr 23, 2025 | Apr 22, 2025 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 24, 2024 | Apr 23, 2024 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2023 | May 3, 2023 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 26, 2023 | Apr 25, 2023 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 27, 2022 | Apr 26, 2022 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 28, 2021 | Apr 27, 2021 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2021 | Mar 5, 2021 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2021 | Feb 16, 2021 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2020 | May 14, 2020 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 29, 2020 | Apr 28, 2020 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2020 | Feb 24, 2020 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 25, 2019 | Apr 23, 2019 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 25, 2018 | Apr 24, 2018 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2017 | May 1, 2017 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 29, 2016 | Apr 27, 2016 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 26, 2016 | Jan 26, 2016 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 10, 2015 | Dec 8, 2015 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 30, 2015 | Apr 28, 2015 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 28, 2015 | Jan 28, 2015 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 23, 2014 | Apr 23, 2014 | 001-13253 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Mar 6, 2014 | Feb 20, 2014 | 001-13253 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 21, 2014 | Feb 20, 2014 | 001-13253 |