| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Jun 20, 2025 | Jun 19, 2025 | 000-21423 |
| 4 | Open Document | Open Filing | 4 | Jan 17, 2025 | Jan 15, 2025 | 000-21423 |
| 4 | Open Document | Open Filing | 4 | Jan 17, 2025 | Jan 15, 2025 | 000-21423 |
| 5/A | Open Document | Open Filing | 5/A | Jan 17, 2025 | Jan 15, 2025 | 000-21423 |
| 5 | Open Document | Open Filing | 5 | Jan 16, 2025 | Jan 15, 2025 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 16, 2024 | Jan 15, 2024 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 18, 2023 | Jan 15, 2023 | 000-21423 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jan 20, 2022 | Jan 15, 2022 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 20, 2022 | Jan 15, 2022 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 20, 2021 | Jan 15, 2021 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 9, 2020 | Mar 6, 2020 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2020 | Mar 5, 2020 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 16, 2020 | Jan 15, 2020 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 14, 2019 | Aug 14, 2019 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 | May 28, 2019 | May 23, 2019 | 001-36432 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 17, 2019 | Jan 15, 2019 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 10, 2018 | Sep 6, 2018 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 22, 2018 | Aug 22, 2018 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 20, 2018 | Aug 17, 2018 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 6, 2018 | Jul 3, 2018 | 001-36432 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 1, 2018 | May 30, 2018 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2018 | May 9, 2018 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 1, 2018 | Feb 28, 2018 | 000-21423 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 26, 2018 | Feb 22, 2018 | 001-36411 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 26, 2018 | Feb 22, 2018 | 001-36411 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 16, 2018 | Jan 15, 2018 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 22, 2017 | Dec 21, 2017 | 001-36432 |
| 3/A | Open Document | Open Filing | FORM 3/A | Dec 22, 2017 | Dec 21, 2017 | 001-36432 |
| 3 | Open Document | Open Filing | FORM 3 | Dec 22, 2017 | Dec 21, 2017 | 001-36432 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 18, 2017 | Jan 15, 2017 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 26, 2016 | Oct 26, 2016 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 2, 2016 | Aug 1, 2016 | 000-21423 |