| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 5, 2023 | Dec 1, 2023 | 001-12471 |
| 4 | Open Document | Open Filing | Apr 10, 2023 | Jan 1, 2023 | 001-12471 | |
| 4 | Open Document | Open Filing | Jan 3, 2023 | Dec 31, 2022 | 001-12471 | |
| 4 | Open Document | Open Filing | Dec 1, 2022 | Nov 30, 2022 | 001-12471 | |
| 4 | Open Document | Open Filing | Oct 31, 2022 | Oct 31, 2022 | 001-12471 | |
| 4 | Open Document | Open Filing | Oct 3, 2022 | Sep 30, 2022 | 001-12471 | |
| 4 | Open Document | Open Filing | Aug 31, 2022 | Aug 31, 2022 | 001-12471 | |
| 4 | Open Document | Open Filing | Aug 1, 2022 | Jul 31, 2022 | 001-12471 | |
| 4 | Open Document | Open Filing | Jun 30, 2022 | Jun 30, 2022 | 001-12471 | |
| 4 | Open Document | Open Filing | Jun 1, 2022 | May 31, 2022 | 001-12471 | |
| 4/A | Open Document | Open Filing | Feb 17, 2021 | Mar 18, 2019 | 001-12471 | |
| 3 | Open Document | Open Filing | Feb 17, 2021 | Sep 12, 2018 | 001-12471 | |
| 4 | Open Document | Open Filing | Jan 27, 2021 | Jan 1, 2021 | 001-12471 | |
| 4 | Open Document | Open Filing | Dec 29, 2020 | Sep 1, 2018 | 001-12471 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 15, 2020 | Sep 14, 2020 | 001-37503 |
| 4 | Open Document | Open Filing | Jun 22, 2020 | Jun 18, 2020 | 001-37503 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 22, 2019 | Jul 18, 2019 | 001-37503 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 9, 2019 | Apr 8, 2019 | 001-12471 |
| 4 | Open Document | Open Filing | FOMR 4 | Mar 18, 2019 | Aug 9, 2018 | 001-37503 |
| 4 | Open Document | Open Filing | 4 | Sep 18, 2018 | Aug 21, 2018 | 001-37503 |
| 4 | Open Document | Open Filing | 4 | Aug 22, 2017 | Aug 18, 2017 | 001-37503 |
| 4 | Open Document | Open Filing | 4 | Mar 20, 2017 | Mar 16, 2017 | 001-37503 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 9, 2016 | Nov 8, 2016 | 001-37503 |
| 3 | Open Document | Open Filing | 3 | Oct 17, 2016 | Oct 4, 2016 | 001-37503 |