| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Nov 14, 2025 | Nov 12, 2025 | 001-35591 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2025 | Mar 4, 2025 | 001-35591 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 18, 2024 | Sep 16, 2024 | 001-35591 |
| 4 | Open Document | Open Filing | BELL - FORM 4 | Nov 16, 2023 | Nov 14, 2023 | 001-35591 |
| 4 | Open Document | Open Filing | Jul 3, 2023 | Jul 1, 2023 | 001-35591 | |
| 4 | Open Document | Open Filing | Jul 3, 2023 | Jul 1, 2023 | 001-35591 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 19, 2023 | Apr 18, 2023 | 000-28191 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 30, 2022 | Dec 30, 2022 | 000-28191 |
| 4 | Open Document | Open Filing | FORM4 | Nov 23, 2021 | Nov 22, 2021 | 000-28191 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 15, 2020 | Jun 11, 2020 | 000-28191 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 26, 2019 | Jun 25, 2019 | 000-28191 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2019 | Mar 18, 2019 | 000-28191 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 22, 2018 | Jun 20, 2018 | 001-35591 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 3, 2017 | Oct 2, 2017 | 001-35591 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 8, 2017 | Jun 6, 2017 | 001-35591 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 24, 2016 | Jun 22, 2016 | 001-35591 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2015 | Jun 2, 2015 | 001-35591 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 22, 2014 | Aug 20, 2014 | 001-35591 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2014 | Jun 3, 2014 | 001-35591 |